Can You Donate Plasma if You Smoke Weed? What About Blood? Yes, you can donate blood if you smoke or consume cannabis. The recipient of the blood will not get high, another common MYTH. All donors go through the same health Driving After Taking Any Form of Marijuana Is Unsafe Dos and Don'ts After Donating Blood SLMA Smoking weed and plasma donation: are you eligible? Can You Donate Blood If You Smoke? What You Should Know Dr. Karuna Kumar