Botox

Some bulging or asymmetry in the first couple weeks after masseter Botox is common and usually not a red flag. The masseter is a thick, powerful chewing muscle, and toxin diffuses gradually through its fibers, so you can see uneven weakening while some areas are still contracting normally. That imbalance often looks like a bulge, especially with clenching. Give it the full two weeks for Botox to reach maximum effect before judging the result. Mild soreness or a feeling of weakness in the first few days is normal, and cool compresses can help. If, after two weeks, one area still looks overactive or asymmetric, a touch-up with additional units in the undertreated fibers usually evens things out. Persistent, significant bulging beyond that window, or any pain, should prompt a recheck with your injector. Since I can't examine the area in question here, an in-person look would let your injector map the muscle and tailor any adjustment.