Could methamphetamine (or other illegal drugs) cause severe facial swelling?

Usually allergy. It is possible for anyone to be allergic to anything, and get facial edema, swelling of the eyes and throat, and have breathing problems from any drug. These kinds of side effects are very common with amphetamines and other stimulants.

Related Questions

Is it possible for methamphetamine (or other illegal drugs) to cause severe facial swelling?

Usually allergy. It is possible for anyone to be allergic to anything, and get facial edema, swelling of the eyes and throat, and have breathing problems from any drug. These kinds of side effects are very common with amphetamines and other stimulants. Read more...