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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. Julie Abbott
3 doctors shared insights

Hives (Definition)

An outbreak of red bumps or wheals that appear quickly after exposure to certain allergens (foods, medications, other substances). They can vary in size, are itchy, can burn, and can last for up to ...Read more


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I was wondering if i could take zzquil instead of benadryl for hives?

I was wondering if i could take zzquil instead of benadryl for hives?

The same: both are diphenhydramine, read the labels carefully for dosage and warnings, if no improvement, see your doctor ...Read more

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I get hives everytime I take cold medicine.I can take ibuprofen though.So I think I may be allergic to acetaminophen. But I took benadryl & got hives?

I get hives everytime I take cold medicine.I can take ibuprofen though.So I think I may be allergic to acetaminophen. But I took benadryl & got hives?

Check ingredients: It is unusual to develop hives from Benadryl and thus I would suggest that you copy down all of the ingredients in each of the cold medicines you suspected might have caused hives to find out if there is a shared ingredient then go on doing your detective work from there. ...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?

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

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The following meds have caused mild hives: benadryl, nsaids, tylenol, (acetaminophen) mestinon, morphine, vicodin. Could this be something other than allergy?

The following meds have caused mild hives: benadryl, nsaids, tylenol, (acetaminophen) mestinon, morphine, vicodin. Could this be something other than allergy?

Yes: Opiates are known to be able to induce or aggravate hives for some people. Nsaid allergy is usually specific for that one and not to all others. Tylenol (acetaminophen) and Benadryl allergies are rare if ever present. Since you have chronic urticaria, i suspect that many of the reactions you have described might have been incidental and not related. You need to consult an allergist. ...Read more

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I'm taking Benadryl (diphenhydramine) due to hives. But I need to go back to work! what should I do?

Combination therapy: One of the most current recommendations for hives (urticaria) treatment is to combine sedating antihistamine, e.g., Atarax or Benadryl (diphenhydramine) taken at night and nonsedating one, e.g., zyrtec, in A.M. ...Read more

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What can I do, besides taking benadryl, (diphenhydramine) to treat hives. Ate something that caused my body to break out in hives. Dont want to go to work drowsy. Help!

Hives: Non drowsy antihistamines like Allegra (fexofenadine) can help, not usre if it is food that is causing your symptoms if they are persistent, you may want to consider seeing an allergist if theybpersist. ...Read more

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Benadryl (diphenhydramine) gives me hives, flushing. Want to try hydroxyzine for my chronic hives; is it related too strongly to Benadryl (diphenhydramine) for me to be safe with it?

Can't predict: Antihistamines have a variety of effects. One man's benefit is another's side effect. Some are best for itching; others better at insomnia; others nausea and seasickness. Some don't like their drying effect. They cause difficulty passing urine, but help overactive bladders. There are eye effects in certain people. Hydroxyzine has been given for hives for decades; it can be very potent, so beware. ...Read more

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True allergy to benadryl (diphenhydramine). Can i take claritin? Are they different enough that it shouldn't give me the instant hives that Benadryl (diphenhydramine) does?

True allergy to benadryl (diphenhydramine). Can i take claritin? Are they different enough that it shouldn't give me the instant hives that Benadryl (diphenhydramine) does?

Antihistamines: Both Benadryl (diphenhydramine) and Claritin are antihistamines and both are given to treat hives. I would suggest consulting a board certified allergist to review your history of your reaction to benadryl, (diphenhydramine) i doubt your hives are because of it. ...Read more

Dr. John Chiu
1,045 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