A member asked:

Abt. 1 hr after supper took keflex 500 mg w/ sweet tea. burped a few mins. later and 'smoke' came out my nose or mouth! what is this? never smoked!

5 doctors weighed in across 2 answers

Keflex capsules?: If Keflex was in capsule form and it had opened, you could have burped the powder.

Answered 4/14/2016

4.2k views

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Dr. Henry Jacobs answered

Specializes in Obstetrics and Gynecology

Powder: The contents of the capsule is powder. If it was still in your esophagus and you burped through your nose, it could appear as smoke.

Answered 4/20/2014

4.2k views

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