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Doctor insights on: Optical Antihistamines

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I gave expired antihistamine syrup to my 30 months old son incidentally...Is it dangerous?What s the side effect on him?

I gave expired antihistamine syrup to my 30 months old son incidentally...Is it dangerous?What s the side effect on him?

Expired drugs: There should be no side effects as expiration is usually based on loss of drug effectiveness. Drug companies err on the side of shortening times to expiration. Actually many drugs are effective long after expiration dates. Expired drugs are commonly used effectively by volunteer organizations when no other drugs are available. Relax! ...Read more

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Benadryl (Definition)

Diphenhydramine is a sedating antihistamine which is a kind of antihistamine type drug (common ...Read more


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Is Flonase an antihistamine?

Is Flonase an antihistamine?

No: Flonase is a nasal steroid spray. It is often used in conjunction with an antihistamine. The most commonly used antihistamines today are the non-sedating antihistamines: claritin, Allegra and zyrtec. Each of these had a generic drug available, too. ...Read more

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Do antihistamines cause gout?

Do antihistamines cause gout?

No: There is a letter to the editor in a european journal reporting an association. That was in 1950. Since then nothing. To the best of my knowledge antihistamines are not associated with gout. ...Read more

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Do antihistamines cause gout?

Typically no: Antihistamines are generally not considered a group of medications that directly cause gout. However, antihistamines can cause dryness, and if that progresses to dehydration, then gout attacks can occur with a higher frequency. This would be an indirect cause. Antihistamines generally don't cause significant dehydration. Aspirin can make gout worse, as can other salicylate-containing meds. ...Read more

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Which antihistamine for a rash?

Which antihistamine for a rash?

It depends on what : The rash is. If you have hives or an itchy rash - Benadryl (diphenhydramine) may be helpful. ...Read more

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Is doxepin a type 2 antihistamine?

Is doxepin a type 2 antihistamine?

Strong antihistamine: Doxepin is an effective but sedating tricyclic antidepressant. This drug's sedating effect is significantly due to its powerful antihistamine effects. Most recently it has been marketed at lower dosages as a sleep medication. ...Read more

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Is antihistamines for treating eczma?

Is antihistamines for treating eczma?

Eczema: Although not necessarily the main treatment option in eczema, the use of antihistamines to calm down the itch associated with eczema seems to help quite a bit. Remember that eczema is the itch that rashes, the more you scratch the worse it is. ...Read more

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Antihistamine can decrease milk supply?

Yes: Anti histamines can cause a decrease in milk supply. ...Read more

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Is Zantac (ranitidine) an antihistamine?

Is Zantac (ranitidine) an antihistamine?

Yes : There are now 4 types of histamine receptors. Zantac (ranitidine) acts on the h2 receptor resulting in blocking stomach acid thereby treating heartburn. Allergies are treated with h1 blocking type medications including claritin, (loratadine) zyrtec and allegra. Some medications have both actions to block both h1 and h2 receptor. For anaphylaxis, zantac can be added for it's effect on blood vessels. ...Read more

Dr. Paul Carter
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Antihistamine (Definition)

Sedating and non-sedating antihistamines prevent and treat allergic reactions, and are ...Read more