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Allergic reaction with full body itch - Online Doctor Chats

Date : 21-Feb-2012
User rating for this question
Very Good Posted in: Asthma and Allergy
Answered by

General & Family Physician
Practicing since : 2005
Answered : 2408 Questions
User :   Back in mid October I had an allergic reaction to what I believe was Minocycline. I broke out in hives all over my body, and immediately stopped taking the minocycline. I was injected with steroids, and prescribed prednisone for 3 weeks (tapered). Now, about 3.5 months later, i'm still itchy all over. I don't have hives, but my whole body itches from head to toe and it's driving me crazy. I was never itchy before my allergic reaction. Is it possible still be suffering from an allergic reaction for this long even though I stopped taking the antibiotic over 3 months ago? What should I do?
Doctor :   Hi
User :   Hi
Doctor :   let me read ur query
User :   okay thank you
Doctor :   Allergic drug reactions do not usually last for such long periods
Doctor :   they tend to subside within 24-48 hrs of stoping and withdrawing the concerned medication
Doctor :   did u have the itching even when u were on prednisone ?
User :   Okay. The hives happened about 2 weeks after i began taking the minocycline which is why I assumed it was that, but i never actually got it confirmed. that was the first time i ever had hives, or an allergic reaction to anything
User :   I was not itchy while on prednisone
User :   i started itching again about 2 days after i stopped taking prednisone
Doctor :   so how many days were u on prednisone
User it was 3 full weeks so 21 days
Doctor :   so for that duration , u were symptom free ?
Doctor :   may i know why was minocycline initiated in the first place ?
User :   yes. I went to urgent care when i got the hives, and they gave me three shots which made the hives and the itchiness go away, and a prescription for prednisone for 3 weeks. While i was on prednisone i had side effects from it, but no hives, or itchiness
User :   i was on minocycline for acne
Doctor :   ok
Doctor :   Persistant itching could be due to an irritant dermatitis or due to allergy induced high eosinophil count
User :   okay
Doctor :   high eosinophils, a type of blood cell, can cause itching
Doctor :   You can try to use some steroid cream like betamethasone , for the time being to control the symptoms
User :   okay. Would you recommend me seeing an allergist?
Doctor :   also any antihistamines available OTC , like benadryl can also be taken
User :   yea I've been taking benadryl and claritin, and they help, but it's still incredibly itchy even with those
Doctor :   You can initially get some blood tests , like a complete blood counts done with your physician
User :   okay
Doctor :   based on the test results, the decision to go to an allergist can be taken
Doctor :   for the time being, you can try methods such as cold packs as well to control the symptoms
Doctor :   do u have itching more prominently in the night ?
User :   I haven't noticed any difference at night or during the day
User :   it's pretty much all the time
Doctor :   are u able to sleep well at night ?
User :   yes I do sleep
User :   luckily it's not keeping me up
Doctor :   In case of dry skin, also can cause itching
Doctor :   try to apply some moisturiser to the skin, which may also help
User :   okay. thank you for your help
Doctor :   you are welcome
User :   have a good night
Doctor :   take care
Doctor :   bye for now and good night to u as well
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