Can You Donate Blood or Plasma if You Use Cannabis? Smoking weed and plasma donation: are you eligible? Safe & Responsible Consumption Can You Donate Blood If You Smoke? What You Should Know Dr. Karuna Kumar Were not blowing smoke. If you smoke or vape, you can donate blood. Youre more eligible than you think. Australian Red Cross Lifeblood Facebook Did you know: You CAN donate blood if you use cannabis. If you have any questions about blood donation, please ask us! #DidYouKnowAboutBloodDonation