A member asked:

My boyfriend says that he has constricted pupils as a permanent side effect of long term heroin use?

A doctor has provided 1 answer
Dr. Bahman Omrani answered

Specializes in Pain Management

Questionable : Pupillary construction or miosis is one of the few effects of opiates (including heroin) that individuals do not develop a tolerance to. In other words, the pinpoint pupils should revert to normal or dilate after once the effect of the drug is gone.

Answered 3/24/2016

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