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Botox Side Effects Center

Medically reviewed by Min Clinic Staff | Updated: January 2026

Botox (Botulinum Toxin Type A) side effects drug center

 

PROFESSIONAL

CONSUMER

SIDE EFFECTS

 

Botox Side Effects Center

What Is Botox?

Botox (onabotulinumtoxinA) is an injectable neuro-toxin used for the treatment of chronic migraines, limb spasticity, axillary hyperhidrosis, cervical dystonia, strabismus, and blepharospasm.

What Are Side Effects of Botox?

Side effects of Botox include:

  • allergic reactions,
  • rash,
  • itching,
  • headache,
  • neck or back pain,
  • muscle stiffness,
  • difficulty swallowing,
  • shortness of breath,
  • nausea,
  • diarrhea,
  • stomach pain,