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Doctor insights on: What Will Happen If I Took An Expired Store Brand Allergy Pill

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What will happen if I took an expired store brand allergy pill?

What will happen if I took an expired store brand allergy pill?

Probably nothing: It's not good to take expired medicines, as they may have lost some potency and might not work as well. In most cases though, they are not likely to be harmful to you. For allergy pills, there should be no harm, but they might not work. ...Read more

Dr. John Chiu
2,638 Doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


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Can I take expired allergy pill. It expired sept 2011?

Can I take expired allergy pill. It expired sept 2011?

Not unsafe...: But probably less efficacious. If you still want to take it, it will likely not harm you but may not work as well as an unexpired dose. ...Read more

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I'm worried because my allergy pills are expired, what do you suggest?

I'm worried because my allergy pills are expired, what do you suggest?

New prescription: Medication that has past the expiration date should be replaced. It's unlikely that antihistamines that are beyond expiration date are harmful, but the drug company cannot guarantee the potency. The longer the medication is past the expiration date, the more likely that it has lost some potency. ...Read more

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I took CVS brand allergy pill 10mg loratadine. Can I have alcohol now?

I took CVS brand allergy pill 10mg loratadine. Can I have alcohol now?

No: Better no, even if the loratadine doesn't sedate you, the combination is potentially harmful, causing additive CNS depression, you didn't mention how much alcohol too, take care ...Read more

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Will a allergy relief pill or an off brand of benedril affect my birth control shot? (Depo) please help!!

Will a allergy relief pill or an off brand of benedril affect my birth control shot? (Depo) please help!!

No: usually some antibiotics would, better ask whenever you use any other medicines while on hormonal contraception, if in doubt, use an extra method for birth control while using the other medicine, such as a barrier, good that you asked, and always exercise caution with multiple medications, ...Read more

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I recently purchased a store brand allergy relief in a form of capsules. The expiration date is 12/2015. Is it safe to take and is it still effective?

I recently purchased a store brand allergy relief in a form of capsules. The expiration date is 12/2015. Is it safe to take and is it still effective?

Expired: Drugs may still be effective or inactive due to the disintegration of the chemicals. Since the effectiveness is not certain it is advisable to use non expired drugs ...Read more

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Can I take Tylenol (acetaminophen) cold severe with store brand allergy medicine?

Can I take Tylenol (acetaminophen) cold severe with store brand allergy medicine?

Possibly, see below: It's always hard to tell with these combination products. The best thing to do is to look at the active ingredient list side-by-side. They're usually good at telling you what each ingredient does (cough suppressant, antihistamine, etc.). If two of the same ingredient are in each product - for example, two antihistamines - and especially if both products contain acetaminophen, do *not* take both. ...Read more

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I'm curious as to what would happen if I took 9 allergy pills?

I'm curious as to what would happen if I took 9 allergy pills?

Death: Take 9 allergy pills would be a significant overdose and should not be done. Depending on the antihistamine one may risk death. ...Read more

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What would happen if I took extra Benadryl (diphenhydramine) allergy pills?

What would happen if I took extra Benadryl (diphenhydramine) allergy pills?

Perhaps, one: See prior answer for details about benadryl (diphenhydramine). An over the counter dose is 25 mg (the same dose they put in many 'sleep aides' like tylenol-pm, where the side effect of Benadryl (diphenhydramine) of drowsiness is the main ingredient). If taking it for typical allergies (runny nose, watery eyes, sneezing), could try one tablet. But there are better ones today with less side effects (zyrtec, allegra, claritin, etc). ...Read more

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Which will happen if you took 10 allergy pills at once?

Which will happen if you took 10 allergy pills at once?

Overdose: Depending on the type of allergy pills, you would become very drowsy. This would constitute an overdose, and requires medical attention. If contemplating doing this, please talk with someone: your doctor; your therapist; a friend; your family; call 911; or go to an er. If you have already done this, please go to an er now, but do not attempt to drive yourself. ...Read more

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What would happen if you took allergy pills if you didn't have any allergies?

What would happen if you took allergy pills if you didn't have any allergies?

Probably nothing: Most antihistamines are safe and effective when taken as directed so they probably would't cause a problem if you took them even when you weren't having an allergy problem. ...Read more

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What will happen if I overdose on allergy pills?

What will happen if I overdose on allergy pills?

Drowsiness,: It is believed that most people can tolerate up to 4 x the usual dose of antihistamine especially with the non-sedating ones. But you have taken 20 times the dose, the story may be different. ...Read more

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I took 15 allergy pills an hour ago. Will I die?

I took 15 allergy pills an hour ago. Will I die?

Very unlikely BUT...: Since I don't know what kind please call poison control at 1-800-222-1222.
I don't know any allergy pills that are likely to cause a fatal overdose at that dose but the important question is why you took 15 pills. Were you hoping to die? Please see a psychiatrist or counselor as soon as possible for counseling around the issues that inspired you to take 15 allergy pills. ...Read more

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Could you tell me what happens when you overdose on allergy pills?

Could you tell me what happens when you overdose on allergy pills?

Depnds on med&amount: Excess decongestant can raise blood pressure to a dangerous level with resultant stroke, heart arrhythmia (with possible death). Extremely high doses of older antihistamines can cause arrhythmias
too much loratadine, Cetirizine causes sleepiness but not much else (up to 4-6 times the normal dose). Fexofenadine doesn't have much experience at extremely high doses but animal data suggests safety. ...Read more

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I'm curious what could happen if you take 5 50 mg allergy pills in one day?

I'm curious what could happen if you take 5 50 mg allergy pills in one day?

Allergy med: Is this benadryl (diphenhydramine) or something else? This is a very high dose and not recommended unless guided by a physician ...Read more

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What to do if I really want to stop taking my allergy pills what can happen to me?

Sneezing again: You could again be plagued with the same symptoms for which you are taking the allergy medications for in the first place. It really would be worthwhile to consult an allergist, find out exactly what the triggers are and then develop a game plan to best treat your allergies. ...Read more

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Help please. Could anything happen if I take allergy pills and I have no allergies?

Help please. Could anything happen if I take allergy pills and I have no allergies?

Yes: Your body develops a tolerance to certain medications and if you do not need to take them, then don't. Medications have side affects- including sleepiness. Why risk side affects by taking medication you may not need at this time? Medication is not candy and taking it should not be done lightly. Consult with your md further. ...Read more

Dr. James Fox Dr. Fox
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I have to take this medicine, but yesterday I found out I have been taking allergy pills instead. Will anything happen?

Dr. James Fox Dr. Fox
1 doctor agreed:
I have to take this medicine, but yesterday I found out I have been taking allergy pills instead. Will anything happen?

Probably not: Claritin (loratadine) and Allegra are non-sedating and have minimal side effects or drug interactions. Zyrtec is low-sedating. My main concern is that you would not be receiving the benefit of the medication you were supposed to take. ...Read more

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What happens if I take thyroid pills can I take allergy pills?

What happens if I take thyroid pills can I take allergy pills?

Yes: Both types of medication can be taken but thyroid pills should be taken without food or other pills. ...Read more

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Please help! I can't remember if I took an allergy pill today. Should I take another?

Please help! I can't remember if I took an allergy pill today. Should I take another?

Perhaps: The most common allergy pills are antihistamines. There is minimal risk of taking an extra new generation antihistamine such as claritin, Allegra or zyrtec. However, taking extra older antihistamines such as Benadryl (diphenhydramine) could result in excessive drowsiness. In general antihistamines are pretty safe class of medications. ...Read more

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I took to many allergy pills. I took 2 and forgot and two hours later took 2 more. What can I do will it harm me? Will it harm me

I took to many allergy pills. I took 2 and forgot and two hours later took 2 more. What can I do will it harm me? Will it harm me

Need: Need to know what pill you took to answer this. Would call your doctor. Likely at this point in time-2 days later- any physical effects would have passed. Speak to your doctor to see if he thinks any bloodwork should be done. ...Read more

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My sister is having an allergic reaction and took an allergy pill an hour ago, but the symptoms don't seem to be going away. Can she take another?

My sister is having an allergic reaction and took an allergy pill an hour ago, but the symptoms don't seem to be going away. Can she take another?

What kind?: At any rate she can, or use another kind of antihistaminic, but careful not to drive, depends as well on the trigger and how bad is the reaction, arrange to see a doctor or go to ER if bad reaction, difficult breathing or not improving, goodluck ...Read more

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If I took an allergy pill (extra strength 1aday) at 2pm yesterday, it is 7:00 am and I am needing another, can I take now? At work have allergy to cats.

If I took an allergy pill (extra strength 1aday) at 2pm yesterday, it is 7:00 am and I am needing another, can I take now? At work have allergy to cats.

Depends: It is occasionally ok to take extra dose of antihistamine but if you are taking 24 hour antihistamine decongestant combination it would be too much decongestant. Check with your doctor for other medicines that might relieve your symptoms. If you have unavoidable cat exposure you may benefit from a visit to the allergist. ...Read more

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Do you take allergy pill with nightquil?

Not necessary: Nyquil is a multi-symptom cold relief medication that already contains an antihistamine. Therefore it is not necessary to take additional antihistamines such as found in allergy tablets. ...Read more

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What is the most effective allergy pill?

What is the most effective allergy pill?

The one that works: The most effective one is the one that works. All of them are good, but not all of them work for everyone, just have to try and see. Try a 24 hour allergy medicine and take daily for allergies. ...Read more

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What is the best pill to take for allergies?

What is the best pill to take for allergies?

Antihistamines: There are several newer antihistamines that are now over the counter. They all are about the same. Allegra, zyrtec and Claritin (loratadine) to name a few. Try these at suggested dosage. If they don't work, see your doctor. ...Read more

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Are there any pills to help against allergies?

Are there any pills to help against allergies?

Many: There are numerous medicines to treat allergies both over the counter and by prescription. Ask your doctor or pharmacist what is most appropriate for your situation. ...Read more

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For what length of time do allergy pills last?

For what length of time do allergy pills last?

Varies: Most new generation antihistamines (allergy pills) such as allegra, zyrtec, claritin, etc can be taken once or twice a day meaning their good effects should last 12 to 24 hours. Older antihistamines like Benadryl (diphenhydramine) are taken up to 4 times a day meaning the good effect may last only 4 to 6 hours (and make you sleepy!)
an allergist can assist in finding the right treatment plan. ...Read more

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How long does symptoms last from allergy pill?

Varies: If you are asking about side effects from allergy medicine (? Drowsiness), it can vary according to the medicine you took, the dose and how your body handles it. Since many allergy medicines are taken once a day, it could take a day or so for the effects to wear off. ...Read more

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How long does an allergy pill stay in your body?

How long does an allergy pill stay in your body?

Depends: Multiple factors influence the duration of a medication in the body. Firstly, some medications are "short-acting" while others are "long-acting". Then, different bodies process medications faster than others. Finally, conditions which can affect removal (e.g. Kidney diseases) can cause a delay in elimination of the medication and therefore lingering effects. Typically 4-6h, 12h or 24h. ...Read more

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What is the best allergy pill for cat allergies?

What is the best allergy pill for cat allergies?

Lots of Options: Over-the-counter non-sedating antihistamines like Allergra, Claritin, and Zyrtec are helpful (I like Zyrtec the best). Other treatments include daily steroid nasal sprays and antihistamine eye drops. Avoidance of triggers is also helpful. If you have a cat, keeping it out of the bedroom is important, HEPA filters, washing cat weekly, frequent cleaning. Allergy shots can also be life-changing. ...Read more

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How long before allergy pills leave your system?

It Depends: It depends on which medicine you have taken. Some are gone in 12 hours while there are a few that can actually last for up to a week. ...Read more

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My allergy pills aren't working what should I do?

My allergy pills aren't working what should I do?

Allergist can help: The most effective treatment for allergic rhinitis are the topical nasal steroid sprays. They are safe and effective, but require a prescription. Allergy pills are usually antihistamines and only block the effect of histamine. An allergist can assist in finding the trigger of the allergies and give advice on avoidance measures and other medications available. ...Read more

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Is it okay that I start taking allergy pills again?

Is it okay that I start taking allergy pills again?

If symptomatic: Antihistamines are generally safe at the recommended doses, and clafritin and Allegra (fexofenadine) do not cause drowsiness. If you have high blood pressure or heart problems pills with a decongestant could be a problem. Antihistamines should be stopped before skin testing. ...Read more

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How long should it take for an allergy pill to work?

How long should it take for an allergy pill to work?

1/2 to 1 hour: Some antihistamines require metabolism in the liver to be converted into the most effective form to block histamine. These antihistamines take at least 1 hour to become effective. However, some antihistamines like allegra, xyzal (levocetirizine) and Clarinex are already in the active form and begin to work as soon as they are absorbed which take about 30 minutes. ...Read more