cramping Diarrhea Dilated pupils Goose bumps Nausea Vomiting These symptoms are very uncomfortable but are not life threatening.
[medlineplus.gov]
Withdrawal from heroin brings on overwhelming cravings for the drug, along with sweating, chills, goose bumps, nausea, vomiting, abdominal cramps, muscle spasms, watery eyes
[luxury.rehabs.com]