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Treating Trismus with Botox: Benefits, Risks, and Alternatives

Updated: April 10, 2023
By: Lauren Siso, LE, ALP

Lauren Siso, LE, ALP

Lauren Siso, LE, ALP

Lauren is the proud owner of ELLEMES Medical Spa with over a decade of experience in the Atlanta, GA area. She is recognized for her outstanding work with accolades such as Best Esthetician in Atlanta by Jezebel Magazine and Best Aesthetic Influencer by Dermascope Magazine.

botox treatment


Trismus is a condition that affects the jaw muscles and limits a person’s ability to open the mouth. It can have a significant impact on a person’s ability to eat, speak, and even breathe. Fortunately, there is a treatment option available to those suffering from trismus – Botox. This article will explain how Botox can be used to treat trismus, present the potential risks and benefits of using Botox for trismus, and discuss alternatives treatments.

What is Trismus?

botox treatment

Trismus, also known as lockjaw, is a painful condition that leads to a limitation or inability to open or close the mouth. It can be caused by a variety of conditions, such as temporomandibular joint (TMJ) disorders, dental infections, oral surgery, damage to the facial nerves, cancer or tumors, and radiation treatment for cancer or tumors. It can also be caused by certain medications and injuries.

How Botox is Used to Treat Trismus

Botox, a purified form of botulinum toxin, is a neurotoxin that can be used to relax muscles and reduce pain. It works by blocking the nerve signals that cause muscles to contract. Botox injections can be used to reduce the tension in the facial muscles, which can help reduce the symptoms of trismus.

woman receiving botox treatment

Benefits and Risks of Botox for Trismus

One of the main benefits of using Botox to treat trismus is that it is a relatively safe and non-invasive procedure. Botox is a temporary treatment and it typically wears off within three to four months. This means that patients don’t have to worry about the long-term effects of the treatment.

The main risks associated with Botox for trismus are minor and temporary. These risks include pain and swelling at the injection site, bruising, and drooping eyelids. There is also a risk of infection if the injection is not performed properly.

Alternatives to Botox for Trismus

If Botox is not an option, there are several other treatments that can be used to treat trismus. Physical therapy is one option, and it can help improve the flexibility of the jaw. Surgery is also an option, but it should be used only as a last resort. Other treatments include medications, such as muscle relaxants and anti-inflammatories, and lifestyle changes, such as eating soft foods and avoiding chewing gum.


Botox can be an effective treatment for trismus, and it is a relatively safe and non-invasive procedure. It can help reduce the symptoms of trismus by relaxing the facial muscles. However, it is important to weigh the potential risks and benefits of the treatment before deciding if it is right for you. Alternatives to Botox, such as physical therapy, medications, and lifestyle changes, should also be considered.

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Staff Spotlight

Lauren Siso, Esthetician

Lauren has been medical aesthetician and laser practitioner for over 10 years and is passionate about helping her clients achieve their best skin possible. Lauren truly believes that everyone deserves to feel confident in their own skin and is dedicated to helping her clients achieve that goal!

lauren siso performing dermaplaning treatment
Lauren Siso, Medical Aesthetician at ELLEMES Medical Spa