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Botulinum Toxin Injections—Medical

(Botulinum Toxin Type A; Botulinum Toxin Type B; Botox Injections)

Definition

Botulinum toxin is made from a type of bacteria. It is a toxin that affects nerves. An injection puts this toxin into muscle. There, it blocks the release of the chemical signal from the nerves to muscles. This will decrease the muscle contraction.
Botulinum toxin is used for cosmetic and medical reasons. The injection process is often called botox injection, although any brand of the botulinum toxin may be used.

Reasons for Procedure

The injection is FDA-approved to treat:
The injection has also been used to treat other conditions, such as:
Strabismus
Lazy eye
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Possible Complications

Complications are rare. When they occur, they are temporary and mild. Side effects are related to the site of injection. For example, if injections take place near the eyes, there may be complications with the eyelids or brow line.
Temporary issues may include:
The following are less common reactions. They are generally mild and do not last long.
Other complications that may occur include:
The toxin can also interact with medications such as antibiotics. Tell your doctor about all of the medications that you are taking.
You should not have botox if you:

What to Expect

Anesthesia

Most often, none is given. Some patients may prefer to have the area numbed for comfort. In this case, a topical anesthetic may be used.

Description of the Procedure

A thin needle will be used. The toxin will be injected through the skin into the targeted muscle. You will often need several injections in a small area.

After Procedure

Remember to:
  • Remain upright for several hours
  • Avoid alcohol

How Long Will It Take?

The time needed will depend on the number of sites involved. It is often less than 20 minutes.

Will It Hurt?

You may have some minimal discomfort.

Post-procedure Care

Normal activities may be resumed after the procedure. To promote recovery, follow your doctor's instructions .
The toxin temporarily weakens targeted muscles. The treatment lasts up to four months. With repeated use, the effects may last longer.

Call Your Doctor

Contact your doctor if any of the following occurs:
In case of an emergency, call for medical help right away.

RESOURCES

American Society for Dermatologic Surgery http://www.asds.net

American Society of Plastic Surgeons http://www.plasticsurgery.org

CANADIAN RESOURCES

Canadian Dermatology Association http://www.dermatology.ca

Health Canada http://www.hc-sc.gc.ca

References

Allergan Physician Production Information. Botox cosmetic (botulinum toxin type A). Published April 2008.

FDA approves Botox to treat chronic migraines. US Food & Drug Administration website. Available at: http://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm229782.htm. Published October 15, 2010. Accessed February 12, 2014.

Ondo WG, Gollomp S, Galvez-Jimenez N. A pilot study of botulinum toxin A for headache in cervical dystonia. Headache. 2005;45(8):1073-1077.

Ward A, Roberts G, Warner J, et al. Cost-effectiveness of botulinum toxin type A in the treatment of post-stroke spasticity. J Rehabil Med. 2005;37(4):252-257.

11/4/2009 DynaMed Systematic Literature Surveillance http://www.ebscohost.com/dynamed: FDA gives update on botulinum toxin safety warnings. US Food and Drug Administration website. Available at: http://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm175013.htm. Updated August 3, 2009. Accessed November 4, 2009.

3/19/2010 DynaMed Systematic Literature Surveillance http://www.ebscohost.com/dynamed: FDA approves Botox to treat spasticity in flexor muscles of the elbow, wrist and fingers. US Food and Drug Administration website. Available at: http://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm203776.htm. Updated March 9, 2010. Accessed March 19, 2010.

5/17/2012 DynaMed's Systematic Literature Surveillance http://www.ebscohost.com/dynamed: Jackson JL, Kuriyama A, Hayashino Y. Botulinum toxin A for prophylactic treatment of migraine and tension headaches in adults: a meta-analysis. JAMA. 2012;307(16):1736-1745.

Revision Information