A 100 mg dose taken twice daily of either minocycline or doxycycline is also ... and a reduction to half strength is recommended until the rash is resolved, usually an additional 2–4 weeks.

Please share your thoughts and knowledge. -- D.W. ANSWER: It isn’t always easy to tell whether a rash from an antibiotic, particularly a penicillin-type antibiotic, is a serious allergic reaction.

Please share your thoughts and knowledge. — D.W. Dear D.W.: It isn’t always easy to tell whether a rash from an antibiotic, particularly a penicillin-type antibiotic, is a serious allergic ...

Please share your thoughts. — D.W. Answer: It isn’t always easy to tell whether a rash from an antibiotic, particularly a penicillin-type antibiotic, is a serious allergic reaction.