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Doctor insights on: Can I Take Expired Allergy Pill It Expired Sept 2011

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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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Dr. John Chiu
2,491 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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Do you take allergy pill with nightquil?

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 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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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

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Can I relieve my allergies without having to take more pills?

Can I relieve my allergies without having to take more pills?

Yes w/Allergy shots: The approach to treat allergies is three-fold: avoid the offending allergen if possible (easiest for indoor allergens like pet dander); medications (like antihistamines & nasal sprays); and immunotherapy (shots) that decrease your body's sensitivity to airborne allergy provokers. When the first 2 approaches don't work or medicines cause side effects, shots are the best way to improve allergies. ...Read more

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Why is it that allergy pills don't work every time I take one?

Why is it that allergy pills don't work every time I take one?

Timing: Antihistamines work by blocking histamine receptors in your body. If the receptors are all full of histamine already (reaction has occurred), then there is nowhere for them to go and it will not make a difference in allergy symptoms. If you take them before exposure to allergens they can block the receptors and you will have less symptoms. ...Read more

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Can you tell me what occurs if you take 5 50 mg allergy pills?

Can you tell me what occurs if you take 5 50 mg allergy pills?

It depends: You have not specified which allergy pills. If you are talking about over the counter Benadryl (diphenhydramine) taking 250 mg at once can cause drowsiness, dry mouth , constipation. Obviously it is better not to exceed recommended doses unless directed by a physician. ...Read more

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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

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Which occurs if you take an allergy pill when it wasn't needed?

Which occurs if you take an allergy pill when it wasn't needed?

Usually nothing: Most allergy pills are antihistamines. Antihistamines are typically a safe class of medications when used in usual doses. The most common side effect could be drowsiness especially if the antihistamine is Benadryl (diphenhydramine) or one of the other older antihistamines. ...Read more

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Which is now the top pill to take for outdoor/indoor allergies?

Allegra (fexofenadine) or zyrtec: Most non-sedating antihistamines work about the same. The more recent isomeric formulas, like clarinex, (desloratadine) simply cost more. ...Read more