Botulinum toxin treatment is one of the most popular non-surgical aesthetic treatments around the world due to its results and low risk of side effects.1 Botulinum toxin used for the treatment of facial rhytids comes with adverse events from the drug, and its method of administration. Common complications related to the drug include brow and eyelid ptosis, tightness, headache, mild redness and discomfort, whilst events related to the administration using a needle include erythema, oedema and bruising.2
Other than ptosis, the events are usually short-lived and easily managed by patients.3
One of the rarer side effects is long-term blanching to the treatment area.4 Due to this side effect being visible, there is a question as to whether patients would be as willing to have treatment if they were aware of long-term blanching as a possibility, especially as it is not listed in the Summary of…
