When i take oral antihistamines i get hives over my entire body. Is it possible to be allergic to antihistamines? What can be taken instead?

Skin between my fingers is chapped & flaky due to antibacterial soap use. I scratch in sleep so never heals. How to heal? Oral antihistamine's useless

Can u suggest some nasal steroids and oral antihistamines?

Can topical steroid be used since oral antihistamine n calamine fail to relieve itch of chickenpox?

Does mucinex help post nasal drip? I have taken oral antihistamines, masonry and Sudanese and I'm still having really bad post nasal drip as I sleep.

Can I take an additional oral antihistamine with Azelastine nasal spray? For chronic rhinitis, I find the affects of the spray wear off after 5 hours

What is the best allergy treatment for eyes I mean the best eye drops for allergy. Not over-the-counter drugs. Oral antihistamine alone not helping.

Had septoplasty/turbinectomy to clear stuffy nose. Still producing clear mucus/stuffy feeling. No allergies & oral antihistamines not effective. Ideas?

Had argon session to treat a tear in retina,and i have allergies now, i took antihistamine oral pills..is it safe? And can i take anti-inflammatory oral drugs? And is there any drug should i avoid taking now?

Had allergic reaction to supp 6 weeks ago redness, itchiness, all over body. I have taken Cortisone and Antihistamines oral and injectable forms. I have since stopped cortisone, only using Dazit, Phenergan, and Fexo Antihistamines. Redness persists?

Had oral hypersensitivity reactions the past couple weeks for the first time ever.Dont hurt, just annoying.Anything I can take besides antihistamine?

Should I get arc for IM Benadryl? To use after the epipen? Or is oral better? What is fastest? What other antihistamines could I use?

Do antihistamines like Benadryl (diphenhydramine) help prevent oral allergy syndrome?

Does pollen season make oral allergy syndrome worse despite taking antihistamines?

What are the risks of low-dose oral prednisone taken over 1 or 2 decades? I am a vet with allergies to pets. Antihistamines not effective anymore.

Need to discontinue antihistamines r/t starting Pitolisant. Hx. of chronic hives and itchy skin. Hives havent been a problem recently but itchy skin has despite all topicals. Other oral meds for itchy skin? Ive taken doxepin in the past.

Is it bad to take an antihistamine during a cold, i.e. does suppressing mucus make the cold last longer?

What is the best OTC antihistamine?

Is antihistamine harmful to the body?

When should you take an antihistamine?