<s>[INST] My husband has had a very bad reaction to clindamycin and now is covered in a red sun burn like rash that is peeling and very itchy, he has had this rash now for 6 days he discontinued the meds after two days but he keeps swelling up and the itch hives and rash wont go how can I help him and how long will it last.?I dont know why the doctor prescribed this medication as I thought it was a one you used when all other antibiotics dont work. [/INST] HI Thanks for your query your husband had severe hypersensitivity reaction to clindamycin. You discontinued the medicine after taking 2 days. Few things about hypersensitivity reaction- -stop offending medicine -consult your doctor immediately. Did you consult your doctor?? If not consult him immediately. It may be life-threatening. Till you consult follow - -take antihistamines medicines -take plenty of water -if difficulty in breathing. Head low position with turn his head to left side. With best regards Chat Doctor.  </s>