You can call a pharmacist if you are really worried. I am on singulair 10 mg daily and zyrtec. You should know: The answer above provides general health information that is not intended to replace medical advice or treatment recommendations from a qualified healthcare professional. There are people that are prescribed zyrtec (cetirizine) up to four times a day for various conditions. I'm at up to 6 zyrtec a day and 1 omeprazole under doctor's supervision - at this point I feel like I pop zyrtec like tic tacs. There have been reports of patients taking 15-18 times the recommended dose of Zyrtec (recommended dose is 10 mg) and having some adverse effects (restlessness, irritability, somnolence). Just take normal dose tomorrow. This defeats the purpose of taking zyrtec instead of benadryl (diphenhydramine). :tongue_smilie: I was under 90lbs at the time. I will say I feel more drowsy and out of it but you probably wont have too many other weird side effects. DO NOT TAKE more than directed. Accidently Took Two Allegra Pills. Antihistamines are found in many different forms for children and adults: liquids, tablets, creams, nasal sprays, and eye drops. Create an account to follow your favorite communities and start taking part in conversations. Is it safe to take two zyrtec (cetirizine) a day, one in the morning and one at night? I accidentally took an expired (18 months ago!) February 24, 2012 in General Education Discussion Board. I am not much bigger than her and allergic to my own spit.and one does nothing.I always take 2. . You cannot paste images directly. I forgot to go the drug store to take my pills. what channel is bounce tv on xfinity. Doing so can release all of the drug at once, increasing the risk of side effects. Hello, I was prescribed Adderall XR and it works, but I feel that part way through the day it doesn' Is it possible to get a tattoo while I'm using Accutane for acne? It should be no problem to take zyrtec (cetir. My doctor actually tells me to double up on antihistamines during allergy season. If you take an extra dose, you might get some of the common side effects. Im a male, 20, years old currently having runny nose, with a slight sore throat and took Zyrtec 10ml around 12 hours ago. It takes three days for the skin to get back to normal. This author has been verfied for credibility and expertise. These may contain soya oil. What happens if you take 2 Zyrtec in 24 hours? Restlessness, Nervousness and Irritability. Feel free to send him an email at Hello@HelloPharmacist.com! In terms of how much Zyrtec would be considered a dangerous overdose, the prescribing information for the drug (which is found on the FDA website) specifically discusses situations where high doses have been consumed. What if you accidentally give a child too much zyrtec (cetirizine)? The good news is that although you may experience some side effects (more on this below), Zyrtec (cetirizine) is an antihistamine that is considered relatively safe, and it would take fairly high doses to present a real medical emergency for most individuals. Autor de la entrada Por ; Fecha de la entrada austin brown musician; matrix toners for bleached hair . 200 mg OTC, and 400 in Canada, but 600&800 are prescription strength. Glad you checked with poison control and that you're okay! Is it ok to take two (10 mg) zyrtec per day? She told me not to take 2 again. That being said: yes, you can double your dosage. Zyrtec pills are 10mg, and one a day is the Dr. Natalie Hodge and another doctor agree. It's a 24 hour medication, so maybe you could take one at night and one in the morning so you're not so tired during the day. Can I use flour instead of potato starch? not getting much relief.is it safe to also take zyrtec d or sudafed d? First and foremost, if you ever think you took too much of a medication, I can't recommend strongly enough that you contact the Poison . But when i had terfenadine prescribed even one would make me feel like having a heart attack. fun trips to take with friends near me; robert downey jr ferrari; mike krzyzewski house; whole grain mustard vs stone ground; strategic direction synonym; accidentally took 2 zyrtec in 24 hours. Children - 14 hours; Adults - 24 . What are the side effects of taking 2 Zyrtec? You can take at most 5 mg in 24 hours, unless a healthcare provider has recommended otherwise. Take this medication by mouth as directed by your doctor, usually twice daily (every 12 hours) with a full glass of water. should i take the correct (unexpired) one nowbad well or should i wait 24 hours? Answered by Dr. Brian Staiger, PharmD In a 1997 case study that appeared in the Journal of Allergy and Clinical Immunology, an 18-month-old boy who accidentally ingested more than 50 times the prescribed dose was given ipecac syrup and admitted to the hospital for observation. I was diagnosed with a sinus infectiona couple weeks ago and prescribed doxycyline and a z pack. Drowsiness may be even more extreme in young children; parents should contact their local poison control center immediately if their child becomes unresponsive or if they suspect the child ingested Zyrtec-D, an adult formulation that contains pseudoephedrine. Children this age using Zyrtec should be given 2. In our latest question and answer, the pharmacist discusses whether or not it is possible to overdose on Zyrtec (cetirizine). In the situation you described in your question, you took one extra pill, which would equate to 20mg. What happens if I take 2 claritin in 24 hours. ACCOUNTING 101Quickbooks 2019 Recertification Exam 1. Hi there. I have a lot of allergy issues. Yes, it is possible to overdose on Zyrtec (cetirizine), just like any medication. But better overly cautious then being too careless one time. What is the maximum amount of Zyrtec per day? I got sent home from school for it because I was acting a little like I was on speed but the school nurse told me it would wear off and was normal. Dr. John Norvell answered 23 years experience No: There are people that are prescribed zyrtec (cetirizine) up to four times a day for various conditions. Cetyl hydroxyzine is available in the form of tablet, syrup, injection and suppository. Well ISNT it handy that if you cant be bothered to go to the doctor you can take 4x200 mg tablets and still get 800 mg eh? Is it OK if I accidentally took 2 Zyrtec? If this happens or youre concerned, contact your doctor. Sorry about her allergies.my oldest is like that too.:confused::grouphug: Thank you! Should be fine. should i take the correct (unexpired) one nowbad well or should i wait 24 hours? The dose of Zyrtec can reach four-folds or more without any ill effects (other than drowsiness for some people). The FDA-approved maximum daily dose of Zyrtec (cetirizine) is 10mg, However, many clinical studies have concluded that higher doses of Zyrtec (up to 20mg, or two tablets) are associated with only mild side effects and can provide better symptom relief than 10mg, Experiencing major side effects from taking two tablets of Zyrtec (20mg total) would be very uncommon. Do not take Claritin-D 24 Hour Allergy & Congestion (loratadine and pseudoephedrine) for longer than you were told by your doctor. Rx doses are higher than the OTC dose. My symptoms came back and decided to take another 10ml only to realise its supposed to be once a day. Is it OK to accidentally take 2 Zyrtec? Can The Effects Of Benadryl Last Into The Next Day? Adults and children 6 years and older can take cetirizine capsules and tablets. Accidentally took 2 zyrtec in 24 hours Antihistamines space a course of medication the treat allergy symptoms, such as sneezing, runny nose, and itching. The effects last at least 24 hours after a single dose of the drug. Hi, I have some medication that is old that I need to get rid of. Zyrtec (cetirizine) is a new generation with a good safety profile. Our pharmacist answers our latest question regarding an individual who accidentally took an extra dose of their morning Zyrtec (cetirizine). Thank you for your question. Taking 30mg is a bit over the recommended dose but if you didn't experience any side effect you may be fine. It mentions two cases of overdose, one where an adult took 150mg (15 tablets) and another where a child took 180mg (18 tablets). Fortunately, Zyrtec, also known as cetirizine, belongs to a newer class of antihistamines that produce far less dramatic signs of overdose. but these symptoms are most likely due to excessive intake of pseudoephedrine, Drug Safety;" Safety of Antihistamines in Children; Ten Eick; February 2001. Whats the healthiest thing to eat at Jacks? It's OTC (and the store-brand generic is half the price), so that's the probable reason the pharmacy refused to fill the "prescription." 2 a day is way too much. There have been reports of patients taking 15-18 times the recommended dose of Zyrtec (recommended dose is 10 mg) and having some adverse effects (restlessness, irritability, somnolence). She just took one and then came to me and said she thinks she accidentally took two. There are people that are prescribed zyrtec (cetirizine) up to four times a day for various conditions. I was told that I had an allergic reaction to penicillin when I was a child. Question posted by nana143 on 26 Dec 2010, Last updated on 29 December 2010 by saw2112. Small, accidental overdoses can usually be managed at home, but you should contact your doctor or local poison control center for guidance. Video chat with a U.S. board-certified doctor 24/7 in less than one minute for common issues such as: colds and coughs, stomach symptoms, bladder infections, rashes, and more. No serious symptoms were reported aside from restlessness and irritability, followed by drowsiness. I had to call poison control and luckily it isn't a dose that will do anything to me, but the person on the phone said I may get dehydrated, flushed, and tired. Ask a doctor or medical professional on Reddit! Finding the best antihistamine for your symptoms can take a while. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Fortunately, it would take fairly high doses to experience significantside effects. The recommended dosage of Zyrtec is 10mg . Subscribe to Drugs.com newsletters for the latest medication news, new drug approvals, alerts and updates. The maximum recommended dose for adults is 80 mg taken once daily. If a healthy adult takes only a slightly higher dose of antihistamine, such as accidentally taking two . I have Urticaria Angioedema. I am taking regular allegra (fexofenadine) 24 hours along with flonase and eye drops. Hikayemiz; Misyon & Vizyon; Kalite Politikamz; Sertifikalarmz; ISPM-15 aretleme zin Duyuru; Sosyal Sorumluluk; Hizmetlerimiz Taking too much cetirizine (Zyrtec) or using more than one medication containing an antihistamine (including products used on the skin) can lead to an accidental overdose and cause serious side effects, such as seizures, hallucinations, or even death. Press J to jump to the feed. The prescribing information gives the following data regarding lethal doses in rodents: Based on the available information, and animal studies, it would take doses far exceeding the recommended daily dosage to experience serious side effects. Doses greater than 20 mg have not been studied. Cetirizine is generally very safe. If you have an account, sign in now to post with your account. Only mild side effects were reported at these high doses. Recommended dosing is 10 mg daily, this can be adjusted up with the guidance of al allergist, make sure you discuss this when you make an appointment Just observe she might be drowsy or oversleepy, or the reverse, may become hyperactive, call the poison control center in your area for advice, no mor Dr. Sandra Lora Cremers and 2 doctors agree. I take 5-6 zertec a day, 2 Hydroxychlorquine (because it's autoimmune like), 2 prescription antihistamines twice a day. While the usual dose of zyrtec is 10 mg once a day for allergies, there is scient Usually too much zyrtec (cetirizine) would not cause any harm. Depending on your reaction, doctors can prescribe up to 4 x 10mg a day. Show Less. Is it safe to take two zyrtec (cetirizine) a day, one in the morning and one at night? If a person has severe symptoms, such as trouble breathing, fast or slow heart rate, seizures, or loss of consciousness, call 911 or go to. I can't believe I accidentally took two antihistamines. Getting Started: Beginning the Home Education Adventure, Apps, Learning Games, and Online Enrichment Activities, Science Courses: Text/Online Support Packages, Resources (and Curricula) for Processing Difficulties, Giving You and Your Child a Road Map to the Best Possible Education, in the valley between the water surrounded by mts. thank you. Medication can lose it's effectiveness past expiration date, but I would not expect it to not be effective at all; especially if only 18 months expire sudafed,but not zyrtec and allegra (fexofenadine) together-only 1 or the other. Medical Content Reviewed By HelloPharmacist Fortunately, it would take fairly high doses to experience significant side effects. Can You Take A Z-Pak If You Have A Penicillin Allergy? it immensely improves my breathing, but i don't want any bad side effects. In one case study of an adult overdose, 150mg was taken (15 tablets) and only minimal effects were reported. : r/Allergies. I want to add the caveat here that everyone's medical situation is different. From retail, clinical, program development, and administrative responsibilities, he's your knowledgeable and go-to source for all your pharmacy and medication-related questions! This defeats the purpose of taking zyrtec instead of benadryl (diphenhydramine). It provides great direction on when you should seek emergency care and what symptoms to look out for. I Accidentally Took 2 Zyrtec Tablets Instead Of One. Even though this is higherthan the daily recommended dose, it wouldn't be considered toxic in the vast majority of situations. There is no tolerance for the antihistaminic effect of Zyrtec. never called poison control though. What happens if you take 2 Zyrtec by mistake? LOL dont worry! I am currently getting allergy shots and have been having awful swelling reactions preventing me to move forward in my doses. I wouldn't worry about it. Is it dangerous to take two zyrtec (cetirizine) in one day? 50% of people have the effect within 20 minutes, and 95 percent have it within one hour. Video chat with a U.S. board-certified doctor 24/7 in less than one minute for common issues such as: colds and coughs, stomach symptoms, bladder infections, rashes, and more. I cant take any pills that are a mixed antihistamine and pain. What Are the Dangers of Mucinex for Children? For these, please consult a doctor (virtually or in person). Zyrtec is a second-generation antihistamine that is available over the counter (it was, at one time, prescription only). Is it dangerous to take two zyrtec (cetirizine) in one day? The only side effect that seems to be worse for me than with a single tablet is the dry mouth and mild dehydration. What Happens If I Accidentally Took 2 Thyroid Pills. The easiest way to lookup drug information, identify pills, check interactions and set up your own personal medication records. Can it hurt to take two doses of zyrtec (cetirizine)? Overdose symptoms may include feeling restless or nervous, and then feeling drowsy. Do not take cetirizine capsules if you are allergic to peanuts or soya. i accidentally took 2 zyrtec in 24 hours. Upload or insert images from URL. I don't think one will hurt. Having a medical issue? HealthTap uses cookies to enhance your site experience and for analytics and advertising purposes. Am Ice cream ass brothers Ayy Ayy sheesh Verse Am I keep a rocket in my pocket socket . The mod team does their best to remove bad information, but we do not catch all of it. In the manufacturers insert found in packages of Zyrtec, Pfizer Inc. describes an adult who became deeply sedated after taking 150mg of the drug (15 times the recommended daily dose); the individual showed no other signs of overdose, and results of blood work showed no abnormalities 2. You can also connect with Dr. Brian Staiger on LinkedIn. Messed up zyrtec schedule - took one 24 hour 10mg this morning around 7:00am and just accidentally took another at midnight same day. Please note, we cannot prescribe controlled substances, diet pills, antipsychotics, or other abusable medications. I can take two separate pills for it but not one that contains both. Dry as a bone, red as a beet, hot as a hare, mad as a hatter, and blind as a bat is an old saying that emergency room doctors used to describe patients who had taken excessive quantities of antihistamines. So if this happens again, you'll need to be cautious of driving and may be more tired than usual. You shouldnt take more than 10 mg in 24 hours, There have been reports of patients taking 15-18 times the recommended dose of Zyrtec (recommended dose is 10 mg) and having some adverse effects (restlessness, irritability, somnolence). Dizziness, nausea, and dry mouth have also been reported in rare instances of cetirizine overdose. This is the FDA-approved maximum daily dose. Per the US FDA package insert for Zyrtec (cetirizine hcl) 10mg tablets: adults and children 12 years and older should not take more than the 24hr recommended maximum dose of 10mg. I usually take some pills in the morning that I have to wait a half hour for the rest of my vitamins. Packet dosages are different to what a doctor would prescribe. I accidentally took 2 zyrtec in 24 hours.. For instance F flat and E are enharmonic equivalents. Show More. For a cough that has been lingering for nearly two weeks after a cold : i take zyrtec daily, if it was allergies would nasacort (triamcinolone) help? What happens if I take two Zyrtec in 24 hours? 2013 Apr;24(2):153-60. High doses of antihistamines can cause changes in heart rhythm. Took two antihistamines by accident. All flaired medical professionals on this subreddit are verified by the mods. Older dd, 12 yrs old and 100 lbs, takes one Zyrtec (actually generic) every night for her allergy (she's basically allergic to her own sweat). Your doctor may recommend a 5-mg dose once or twice per day if your allergies are mild. The usual dosage for adults younger than 65 years and children who are 6 years and older is one 10-milligram (mg) dose per day. However, a larger overdose, especially in children or older adults, may cause serious symptoms. Drug News. Zyrtec information for Healthcare Professionals. Together with any type of medication, taking as well much deserve to be harmful. I recently developed a cough that contains a bright green mucous. Do NOT take a dose sooner . Reply here if you are an unverified user wishing to give advice. By using our website, you consent to our use of cookies. My child is 4.5 years old and 38 lbs. What Happens If I Accidentally Took 2 Thyroid Pills? Makes feel really dizzy and my heart beats like that too. Top answers from doctors based on your search: Created for people with ongoing healthcare needs but benefits everyone. lowest career era live ball era; could not communicate with your google assistant smart display; lump in bum crack under skin Staff. This subreddit is for informal second opinions and casual information. The Well-Trained Mind is the guide that millions of parents trust to help them create the best possible education for their child. The National Suicide Prevention Lifeline hotline is 1-800-273-8255. Dr. Brian has been practicing pharmacy for over 13 years and has wide-ranging experiences in many different areas of the profession. I had no idea you can take that much. HOwever, if you notice anything unusual or have any negative side effects, you should contact your doctor or visit an ER to rule out any possible complications. Per the prescribing information: So, based on the available information we have regarding Zyrtec, you shouldn't be too worried about that extra dose you took as it is fairly well tolerated, even at higher than recommended doses. Before moving on to the next section, I always like to put in these articles the information for Poison Control. Also do you take it all/bunch at once or multiple times in the day? Taking 10mg of Zyrtec is more effective than taking 5mg; taking 20mg appears not to provide any additional effect. Please note, we cannot prescribe controlled substances, diet pills, antipsychotics, or other abusable medications. Here you will find practical articles, an online community, courses for you and your children, user-friendly textbooks, and much more. By posting, you are agreeing to our Terms of Use and understand that all information is taken at your own risk. Taking Xanax 0.5mg and Zyrtec allergy 10mg together at they same time. Yerba Mansa - Hydrochlorothiazide, Methyldopa, Coral - Atropine, Benzoic Acid, Hyoscyamine, Methenamine, Methylene Blue, Phenyl, Eurycoma Longifolia - Glycerin, Phenol (otc Drug), Hyacinth Bean - Formoterol Fumarate, Glycopyrrolate, Spanish Origanum Oil - Gadobenate Dimeglumine. Ad Yousician Works with Any Piano and on Any Device. i have allergies and took 3 10ml of zyrtec, in error. How long does it take for Zyrtec to kick in? Read More Created for people with ongoing healthcare needs but benefits everyone. Superoxide Dismutase (sod) - Esterified Estrogens, Cannabidiol (cbd) - Doxylamine Succinate, Pyridoxine Hydrochloride, Pulsatilla - Respiratory Syncytial Virus Immune Globulin, Fermented Wheat Germ Extract - Tubocurarine, Ephedra - Ethinyl Estradiol, Ethynodiol Diacetate, Shea Butter - Sodium Aminobenzoate, Sodium Salicylate, Taurine - Cannabidiol (prescription Drug). Read More Created for people with ongoing healthcare needs but benefits everyone. accidentally took 2 zyrtec in 24 hoursmanticore greek mythology. More What if i accidentally take two allegra (fexofenadine) d tablets within 24 hours? Ask Your Own Medical Question. . Even though taking an extra dose of Zyrtec won't cause too many issues for mostpeople, some may be more at risk than others. Diphenhydramine (Benadryl) is a popular first-generation antihistamine and can cause other common side effects, including: Dry mouth Dry eyes Constipation Blurry vision Dizziness The newer, second- or third-generation antihistamines do not cause as much drowsiness as diphenhydramine. Doctors typically provide answers within 24 hours. Cardiac arrhythmias, such as: Laura Altobelli is a full-time senior editor for GSW Worldwide, an advertising agency serving the pharmaceutical industry. For children 10 to 17 years of age who are taking this medication to treat inherited cholesterol disorders, the recommended dose ranges from 10 mg to 20 mg daily. This sub is under reconstruction, please be patient as we work to improve it. I don't think one will hurt. One such example would be individuals who have heart conditions. . I take 4 zyrtecs a day, 4 max strength pepcid, and another antihistamine on top for my mast cell disorder and all of us with mast cell disorders have this at a minimum, often for life with no ill effects. Food has no effect on the overall absorption of Zyrtec; however, it may increase the time it takes for peak levels of Zyrtec to be reached in the blood. I wanted to find out if the herb Diindolylmethane My son, who weighs 78 lbs, was diagnosed with strep throat on Tuesday. It should be no problem to take zyrtec (cetir That dose of zyrtec is going to be very sedating. The AAPCC helpline is open 24 hours and is toll-free. The prescribing information for Zyrtec notes two cases studies in which an overdose was observed in an adult and pediatric patient: The package insert for Zyrtec goes on to say the following regarding overdose: Although most case studies report minimal side effects in regard to overdosing with Zyrtec, it is important to note that someindividuals may be more susceptible to side effects than others. With a master's degree in scientific communication and more than 20 years of professional experience, Altobelli has worked with physicians, lawyers, veterinarians and architects to develop content for professional symposia and such publications as "Annals of Internal Medicine," "Journal of Trauma" and "Clinical Infectious Diseases. Several other studies have come to the same conclusionthat 20mg of Zyrtec is actually helpful for a lot of individuals who haven't had great success with conventional doses. She'll be fine. More likely, you will only experience mild side effects, such as sleepiness and dry mouth. I have it on my medical HelloPharmacist I forgot and noticed my allergies were really bad today and took a prescription allergy med upon taking my vitamins. thank you. Anasayfa; Hakkmzda. Non-sedating. You can go to their website, Poison.org, or call them at 1-800-222-1222. Does DIM (Diindolylmethane) Interact With Any Drugs? My son, 16, 140 lbs, accidentally just took 2 zyrtec-d tablets within about one hour of each other. Is anything bad going to happen to me and what should I do from here on out? Is This Harmful Or Dangerous? Is Prozac Safe To Take With Birth Control Pills? I had to call poison control on myself. I certainly understand your worry regarding accidentally taking an extra dose of Zyrtec! is it ok to take benadryl as well? Get prescriptions or refills through a video chat, if the doctor feels the prescriptions are medically appropriate. by . Display as a link instead, How Long Does It Take For Zyrtec To Work? If you do experience any troubling symptoms, I highly recommend contacting Poison Control (information at the top of this answer) or going to your nearest emergency room. i accidentally took 2 zyrtec in 24 hours. Some brands of cetirizine come as capsules. It is a valuable resource to refer to in situations where accidental ingestion of a substance (including extra doses of medication) has occurred. Do not give more than 5 mL in 24 hours. The package says to Ask an Expert Medical Questions My son, 16, 140 lbs, accidentally just took 2 zyrtec-d Related Medical Questions I also ingested one pill of apoquel. Joker, If a healthy adult takes only a slightly higher dose of antihistamine, such as accidentally taking two pills instead of one, their symptoms may not be serious, or they may not have any symptoms. Zyrtec is a second-generation antihistamine that is available over the counter (it was, at one time, prescription only). I can't walk without severe pain without antihistamines. One such study, published in 2013 in theJournal of Dermatological Treatment,concluded that a double dose of Zyrtec (cetirizine), which is 20mg (the dose you took), was effective in helping to reduce the symptoms of itching that was previously not responding to lower doses: This study only noted mildside effects to this dose. Took two antihistamines by accident. The antihistamine Zyrtec (or generic cetirizine) is supposed to be 24-hr sustained release. Press question mark to learn the rest of the keyboard shortcuts. Is it possible to overdose on Zyrtec? For potential or actual medical emergencies, immediately call 911 or your local emergency service. zyrtec pill. I Accidentally Took Two Zyrtec. Anubis July 16, 2017, 11:32pm #12. Select one or more newsletters to continue. adidas uniforia soccer ball. By using our website, you consent to our use of cookies. The only side effect that seems to be worse for me than with a single tablet is the dry mouth and mild dehydration. Doctors typically provide answers within 24 hours. I never thought I'd have to call poison control on myself. Thank you for your submission. I accidentally gave my 8 year old a 10mg pill of zyrtec (cetirizine) tonight at bedtime. I am not much bigger than her and allergic to my own spit.and one does nothing.I always take 2. Extreme drowsiness is the most common sign of cetirizine overdose in adults. zyrtec pill. Overdose Cases Pseudoephedrine is a decongestant additive that may be fatal when taken in large doses by children under the age of 12. Still looking for answers? Dr. John Norvell answered 23 years experience No: There are people that are prescribed zyrtec (cetirizine) up to four times a day for various conditions. dd was prescibed 2 at about that weight, so she should be fine :) u could always call a pharmacy and speak to a pharmacist to double check though:grouphug: She just took one and then came to me and said she thinks she accidentally took two. However, the package insert for Zyrtec written for Australian consumers indicates that the 24hr maximum dose should not exceed 20mg. Am I going to be okay? If you don't get sedated from it, then don't worry about taking it during the day. the internationale spanish lyrics. Like all drugs, it is possible to overdose on Zyrtec (cetirizine), Taking over the recommended amount can increase the risk and severity of side effects such as dizziness, drowsiness, blurred vision, and constipation, It would take dosages far exceeding the maximum recommended amount to experience serious side effects, such as cardiovascular complications. How Many Doses of Benadryl Can a Child Have if Having an Allergic Reaction to Something? A female asked: I accidentally took an expired (18 months ago!) Questions About A High Dosage Of Amoxicillin For A Child With Strep Throat. hungry shark world smooth hammerhead message in a bottle,