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A 33-year-old female asked:

i have a pre-standing (non-drug-induced) prolonged qt. which antibiotics are safe and do not affect qt? cannot find any data on this.

1 doctor answer • 2 doctors weighed in

Dr. Liviu Klein answered

Cardiology 23 years experience

Most: Quinolone or macrolide antibiotics are the ones mostly associated with prolonged QT. The other classes are safer. As always, beware of interactions with other drugs you are taking or over the counter medication. A pharmacist should be able to run an interaction checker for you.

2152 viewsReviewed >2 years ago

Dr. Laura Anissian

Dr. Laura Anissian agrees1 doctor agrees

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Last updated Oct 11, 2015

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