Headache / chemically induced Headache / physiopathology Hypertrophy / pathology Injections, Intramuscular Masseter Muscle / abnormalities Masseter Muscle / drug effects* Masseter Muscle / pathology* Trismus / chemically induced* Trismus / physiopathology Xerostomia / chemically induced* Xerostomia / physiopathology Botulinum Toxins, Type A The process of getting masseter Botox looks similar to getting the injection anywhere else, with one exception. "The toxin is injected right into the muscle," Dr. DeRosa says. Side Effects of Masseters Botox? While generally considered a very safe cosmetic procedure due to its non-invasive nature, Masseter Botox can also possibly lead to certain side effects - these may include: Discomfort, pain, or swelling where the Botox is injected; Visible bruising; Symptoms of flu; Crooked smile; Drooling; Headaches By relaxing the masseter muscles, masseters Botox can significantly reduce symptoms like jaw pain, headaches, and teeth damage linked to these conditions (Guarda-Nardini, Manfredini & Salamone, 2008) [^3^]. Injecting in the area, "stops the masseter contracting and improves jaw aches, teeth grinding, jaw pain at night, as well as prevents the wearing down of your teeth over time, which is an issue Other side effects include 1) the face becoming too slim, 2) the jowls appearing more prominent because the back of the face is less bulky.There is not typically any swelling with the botox injection, unless a bruise forms. Svyix.

side effects of masseter botox