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Doctor insights on: Benadryl Hives

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Had allergic reaction to Minocycline. Hives, heartburn, chills, feeling ill. Took prednisone/benadryl. Hives gone for 4 days, why am I still itchy?

Had allergic reaction to Minocycline. Hives, heartburn, chills, feeling ill. Took prednisone/benadryl. Hives gone for 4 days, why am I still itchy?

Inflammation: !st drug such as minocycline tends to linger on in the tissue longer. 2nd the inflammation triggered by the drug takes 1-2 weeks to resolve even after the drug has been discontinued. Think of it as a deep scratch on your skin, it won't heal immediately just because you have stopped scratching it. ...Read more

Dr. James Dukelow
3 doctors shared insights

Hives (Definition)

Also known as urticaria, hives are an outbreak of red bumps or wheals that appear quickly after exposure to certain allergens (foods, medications, other substances). Hives vary in size, are itchy, can burn, and can last for up to ...Read more


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Can I take Benadryl (diphenhydramine) for hives?

Can I take Benadryl (diphenhydramine) for hives?

Yes: Benadryl (diphenhydramine) can make you drowsy so be cautious if you drive or do other activity. You need to see your physician to clarify why you have the hives. ...Read more

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How long should one take Benadryl (diphenhydramine) for hives before seeing a Dr?

How long should one take Benadryl (diphenhydramine) for hives before seeing a Dr?

As soon as you feel: You are obviously reacting to something. Trying to isolate what is causing hives and removing it from your diet/environment/exposure is probably goal #1. Benadryl (diphenhydramine) or other anti-histamines treat symptoms but do not treat the problem. ...Read more

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A day after i took 2000mg of chromium accidentally i developed hives that come n go 3 days now n still getting hives Benadryl (diphenhydramine) isn't helping?

A day after i took 2000mg of chromium accidentally i developed hives that come n go 3 days now n still getting hives Benadryl (diphenhydramine) isn't helping?

hard to say: You really don't know if you got the hives from the chromium or if it was just coincidental. You might want to take another antihistamine such as allegraa or zyrtec (cetirizine).Sometimes hives can take weeks to go away. ...Read more

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I am currently taking Benadryl (diphenhydramine) for hives, but it makes me feel very strange, even though it helps with my allergies. What can I do to stop it?

I am currently taking Benadryl (diphenhydramine) for hives, but it makes me feel very strange, even though it helps with my allergies. What can I do to stop it?

Hives: Benadryl (diphenhydramine) is short-acting and causes drowsiness. During the daytime, switch to a non-sedating antihistamine like Allegra or zyrtec (generic is fine) and take it twice per day to keep the hives under better control. Reserve the Benadryl (diphenhydramine) for bedtime with breakthrough itching or hives. ...Read more

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I am allergic to hay, each allergy attack causes red spots and hives. Benadryl (diphenhydramine) gets rid of the hives but not the red dots. How can I get rid of them?

I am allergic to hay, each allergy attack causes red spots and hives. Benadryl (diphenhydramine) gets rid of the hives but not the red dots. How can I get rid of them?

Avoid hay: unless you have no other option, which is difficult to imagine; this is your best bet. You can also try taking Benadryl (diphenhydramine) or perhaps a nonsedating antihistamine such Zyrtec prior to exposure to hay. It is probably easier to prevent the allergic reaction then to try to get rid of the red dots after it occurs. Hydrocortisone cream in combination with a good moisturizer might be helpful. ...Read more

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I have true allergy to Benadryl (diphenhydramine) (had hives when taking the dye-free for a headache.) is allegra safe for me? And would it help my allergic reactions?

I have true allergy to Benadryl (diphenhydramine) (had hives when taking the dye-free for a headache.) is allegra safe for me? And would it help my allergic reactions?

Yes: Allergy to Benadryl (diphenhydramine) is rare if at all present. Allegra is quite different from Benadryl (diphenhydramine) in structure and thus should be safe for you. Make sure you are not allergic to the gelatin on the Benadryl (diphenhydramine) capsules. Whether Allegra would work for you or not is another issue but it should be no less effective than benadryl (diphenhydramine). ...Read more

Dr. John Chiu
1,011 doctors shared insights

Diphenhydramine (Definition)

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


Benadryl (Definition)

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