Education, not medical advice
The content on this site is general patient education. It is not a diagnosis, not a treatment recommendation, and not a substitute for a consultation with a clinician who has examined you. Do not use it to decide that a symptom can wait, and do not use it to decide that a symptom needs emergency care on the strength of a website alone — when in doubt, make the call.
The rare findings are emergencies
Difficulty swallowing, speaking or breathing, widespread muscle weakness, a rash with swelling of the lips or throat, or difficulty breathing soon after an injection require emergency care immediately. These findings are rare, and the reason they are stated so plainly is that they are easy to dismiss as unrelated when they are the one thing that should not be.
There is no dissolving agent, and no guarantee
Nothing reverses the effect of botulinum toxin. An unwanted effect is managed over the treatment’s own timeline, which is measured in months, and no treatment described here can be guaranteed to correct a result or to shorten it. The effect fades on its own, and the plan is made around that.
When to seek care
An eyelid that has dropped and cannot be lifted, double vision, an eye that cannot close, a weak smile with difficulty drinking, or fever with spreading redness at an injection site all require same-day care. Contact your treating team first; if the team cannot be reached, call the hospital main line, and for a red-flag symptom attend the nearest emergency department immediately. Do not wait for a review appointment.