Some of the anti-inflammatory medicines are not allowed to be taken after the face slimming injection. The ingredient of face slimming injection is injectable botulinum toxin type A, which paralyzes the target muscle by blocking the signals from the nerve to the muscle and finally causing wasting atrophy. Some medications may increase the bruising caused by the injection itself or enhance the paralyzing effect of the toxin, such as non-steroidal anti-inflammatory drugs (e.g., aspirin, ibuprofen, etc.), and antibiotics (mainly aminoglycosides such as gentamicin, amikacin, etc.). In order to maximize the avoidance of adverse reactions, it is recommended to stop taking anti-inflammatory drugs starting 2 weeks before treatment. It generally takes 7 to 14 days for the Botox injection to take full effect, prior to this time, you should continue to avoid taking related medications, and if there is a need for medication, it is recommended to use it under the guidance of a specialist in order to avoid any adverse effects.