There may be two reasons for the observed findings: 1) swelling due to the immediate injection which may resolve by 7-10 days or 2) muscle imbalance which may take 4-6 months to resolve.
Botox relaxes muscles, so great care must be taken when treating the lips or mouth so as not to impair their motion. As always, the success of a dermatologic procedure depends not so much on the method used as on the skill and expertise of the practitioner. A skilled Botox injector can use the...
Thank you for your question. Swelling can occur for 1-2 hours after Botox injection. However, this may be due to your microneedling treatment. I recommend following up with your injector for an evaluation and possible treatment. Best of Luck!