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Q&A: How Long Does Botox Take to Work in the Masseter Muscles?

“How long does Botox take to work in the masseter muscles? I have thick masseter muscles and i want to get some botox injections on each side to reduce them, can anyone possibly tell me about how long after the injections will they really shrink down? i have heard that it takes months to work from some people and then from others it just takes days, thanks for the answers.”, asked a RealSelf user.

“This is a great indication for the use of Botox which I believe is underutilized. While Botox will start working within the first 72 hours, the overall reduction in the size of the masseter muscle will take months and will need multiple treatments to maintain reduction of moment and atrophy of the muscle.”, explained Aristocrat’s certified surgeon Dr. Kevin Tehrani, M.D., F.A.C.S.

If you have more questions, or you would like to schedule a consultation with Dr. Tehrani, please call us!

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