Botox Q&A
64%
WORTH IT RATING
"Worth It Rating" shows the % of consumer reviewers that stated the procedure was "Worth It" or not. See more RealSelf Worth It Ratings or Add Your Review
854 Reviews
Botoxbefore & after photos
View Before and Afters

Average Botox Cost: $425

Learn about Botox

3,022 people and 923 doctors are talking about Botox

Get Free Email Updates

Muscle Restoration After Botox?

asked 2 years ago by nndoll in minnesota
Latest answer by Steven E. Rasmussen, MD
Question viewed 350 times

How long does it take for muscles to rebuild after Botox has worn off?

nndoll

Read my review "Unsatisfied with Botox"

3 answers to Muscle Restoration After Botox?

+1

It is the nerve-muscle connection that must rebuild, not the muscle

Botox works by blocking the release of acetylcholine from the nerve fibers that are in connection with the muscle. This blockade results in the relaxation of the muscle due to the inability of the nerve fiber to stimulate the muscle. Over a period of 3-4 months, this blockage is overcome by the nerve fiber and the nerve is again able to stimulate the muscle. The muscle is unaffected by the Botox treatment. However, over time, the muscle may atrophy slightly due to its in activity which... more
Steven E. Rasmussen, MD

Austin Dermatologist
+1

Two- Four Months

Botox blocks the release of acetylcholine which normally would travel from the nerve ending to the muscle. Without acetylcholine, the muscle is inactivated and can no longer functiion. It becomes paraylyzed and relaxes. This causes the relaxation of the affected muscle(s) and the disappearance, or at least the diminution, of wrinkles. Gradually, the nerve finds ways to get around that blockage and the acetylchoine is no longer blocked. It takes 2-4 months before that happens. When... more
Arnold R. Oppenheim, MD

Virginia Beach Dermatologist
+1

Botox

Botox works by blocking transmission from nerve to muscle.  The Botox starts off and nerves start refiring again at around 3 months following injection.  By 4 months, the Botox is generally totally worn off.
Edmond A. Zingaro, MD

San Francisco Plastic Surgeon

Ask a question