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Various factors affect a person's Botox dosage, including the response to the drug, the condition being treated, and if other medical conditions are present. The drug comes in injectable form, and special techniques are often used to ensure that Botox is being injected into the correct site. In addition, the effects are temporary -- you will need to receive a Botox dosage periodically to maintain the desired results.

Botox Dosage: An Introduction

The dose of Botox® (onabotulinumtoxinA, previously known as botulinum toxin type A) that your healthcare provider recommends will vary depending on a number of factors, including:
  • The condition being treated
  • How you respond to Botox
  • Other medical conditions you may have
  • Other medications you may be currently taking.
As always, do not adjust your Botox dose unless your healthcare provider specifically instructs you to do so.

Botox Dosage for Wrinkles

Botox is approved to treat "frown lines" between the eyebrows. The recommended dose to treat these kinds of wrinkles is five injections of Botox, each containing 0.1 mL (four units) of the drug, in specific areas above and between the eyebrows.
Botox is also approved to treat crow's feet. For these wrinkles, the usual pattern is three injections (0.1 mL, or four units, each), on each eye, for a total of 24 units.

Botox Dosage for Head and Neck Spasms

The dose of Botox used for head and neck spasms (known medically as cervical dystonia) varies from person to person, and is based on the characteristics of your spasms and how you respond to Botox. There is no standard recommended Botox dosage for this use.

Botox Dosage for Eyelid Spasms

The recommended dose of Botox for eyelid spasms (known medically as blepharospasm) is Botox 0.05 to 0.1 mL per each injection site (for a total of 1.25 to 2.5 units) into certain muscles that control the eyelids.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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