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Ask Dr. C. Rollins Your Own Question
Dr. C. Rollins
Dr. C. Rollins, Pharm. D.
Category: Pharmacy
Satisfied Customers: 666
Experience:  Knowledge in hormone replacement therapy, pediatrics, compounding, long term care, retail, hospice, etc.
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I have a very stuborn sinus infection & have been taking bactrim, plus doing a saline

Customer Question

i have a very stuborn sinus infection & have been taking bactrim, plus doing a saline nasal irrigation with bacitrain.... unfortunately, I'm having an allergic reaction (worsening cough, tight chest, swollen ankles, slightly swollen tongue). How long does it take for the meds to wear off?
Submitted: 1 year ago.
Category: Pharmacy
Expert:  Dr. C. Rollins replied 1 year ago.
The half life of the two drugs in the antibiotic is 10 hours. It takes roughly 4.5 half lives to eliminate from the body so roughly 45 hours or two days. The Sulfa component is the most likely ingredient you are allergic too. You should notify your pharmacy of the new allergy and all medical professionals from now on. Hopefully this fully answers your question. Once satisfied please rate my answer. Thanks.

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