Hair Loss with Semaglutide

How common is it, why it happens, and what you can do about it.

Quick Answer

Hair loss is reported in 5-10% of users. It's usually temporary and related to rapid weight loss, not the medication itself.

Less common (5-10% of users)

Why This Happens

Rapid weight loss can trigger telogen effluvium—a temporary shedding phase where hair prematurely enters the resting phase. This is a normal response to significant caloric deficit.

If side effects are limiting your progress, a provider can adjust dosing or switch medications based on your response. The right medication match can make all the difference.

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Is It Serious?

Usually mild and self-limiting within 3-6 months. Ensure adequate protein and iron intake.

When to Contact Your Doctor

  • If hair loss is severe or persistent beyond 6 months, see a dermatologist.
  • Ensure you're getting enough protein and micronutrients.