Severe bleeding linked to synthetic cannabinoid use Texas Poison Center Network Marijuana and blood donation what you need to remember? Can You Donate Blood if You Use Cannabis? The Cannigma Can You Donate Blood if You Smoke Weed? Mango Cannabis We all know smoking and vaping isn't great for your health. But it doesn't stop you from being a blood or plasma donor. Just make sure to wait one hour after donating 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