A Suffolk County police officer revived a man who overdosed on heroin at a Port Jefferson home on Saturday morning, law enforcement officials said.

Sixth Precinct Officer James Parkinson responded to a 911 call at 10:40 a.m. about a 21-year-old man on Midland Avenue who was overdosing on heroin, police said.

Parkinson administered oxygen and a dose of intranasal Narcan to the man, who later regained consciousness and was taken to John T. Mather Memorial Hospital in Port Jefferson.

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The Suffolk County Police Department is participating in a State Department of Health pilot program involving intranasal Narcan, a prescription drug used to reverse opiate overdoses.

The program is also used by the Suffolk Marine Bureau and the Emergency Service Section.