One bad thing about partaking in weed is the unwelcome sensation of feeling like you’ve swallowed a bunch of cotton balls. Cottonmouth, or having a mouth and throat as dry as the Sahara Desert after consuming cannabis, is one of the odder side effects of weed. When it strikes, all bets are off—you may find yourself chugging back water and chewing gum like a fiend to get saliva flowing again. So what is it about weed that dries out the mouth and parches the throat? And how can you stave off cottonmouth when it hits, or even better, avoid it altogether?