Namely, the first reason why a sore throat from smoking weed occurs is the hot air you are inhaling.
Similarly if the bumps on tongue are inflamed or irritated, they can hurt when you swallow.
Is it normal to have white or red bumps on the back, side or under the tongue? Check with your doctor to have the condition examined and treated.
If you realize that smoking weed is causing sore throats, you can try consuming weed in another way like eating Can You Smoke Weed When Taking Medication For Sore Throat? The heat that you get from smoking dries up the throat, resulting in inflammation and pain.