Washington—Physicians need not be afraid to prescribe sterile needles for drug addicts—unless they practice in Delaware or Kansas. It's legal and they are encouraged to do it, since there is clear evidence from many studies that access to clean needles reduces the risk of transmitting HIV infection and hepatitis. Moreover, the encounter provides an opportunity for counseling and for treating other medical conditions.
Marwick C. Prescribing Sterile Needles Is Not Only Beneficial but (Mostly) Legal. JAMA. 2000;284(10):1229. doi:10.1001/jama.284.10.1229