Overview: Heparin is a blood thinner that is used to prevent or treat blood clots. It may be injected under the skin or into a blood vessel. The most common side effects are irritation at the ...

The involved drugs included certain formulations of ketorolac, meperidine, diazepam, fentaNYL, heparin (including ... nurses who use Carpuject prefilled syringe cartridges for injectable ...