A member asked:

Will phentermine cause me to have a weak erection, or lower my sex drive? can't seem to maintain an erection. testosterone supplements maybe??

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

Phentermine: Impotence and decreased libido have been reported with Phentermine. Would discuss decreasing dose with your doctor.

Answered 9/28/2016

3.9k views

Thank

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