Drug Abuse Hair Loss
telogen effluviu, is extremely common in people with substance use disorder.[5] This is because drug abuse leads to high levels of both physical and emotional stress. If you’ve ever been under long periods of stress and noticed extra hair falling out, you know how strongly stress affects your hair.

When the body is under stress, it puts all of its resources into vital organ systems. Since hair is not critical for life, it is very low on the list in terms of receiving the nutrients it needs to stay healthy. When the body needs to focus its attention elsewhere, it puts the hair into a resting state, meaning it stops growing and falls out prematurely.[6]