Why Do GLP 1 Cause Hair Loss: The Real Reasons and What You Can Do About It

Mon, 01 Jul 2019 15:45:50 -0500

So you started a GLP-1 medication, the pounds are coming off, and suddenly your hairbrush looks like a small furry animal. You’re asking “why do glp 1 cause hair loss” — and honestly, it’s not the drug itself, it’s what the drug does to your body. Let me break it down: GLP-1 agonists like semaglutide and tirzepatide trigger rapid weight loss, often 5-10% of body weight in the first 3-4 months. That fast drop puts your body into a state of physical stress, and your hair follicles respond by shifting into a resting phase called telogen effluvium. The shedding usually starts 2-3 months after significant weight loss and peaks around month 4. I’ve seen patients lose noticeable hair density, but here’s the good news: it’s almost always temporary. Your follicles aren’t dead — they’re just waiting for your body to stabilize. The real fix isn’t quitting your medication; it’s addressing the underlying triggers: caloric deficit, protein intake, and the hormonal stress response.

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Why Do GLP 1 Cause Hair Loss: The Real Reasons and What You Can Do About It