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Botulinum toxin type A (BoT A) is widely employed for both clinical and aesthetic indications due to its efficacy and ease of administration. Reported adverse effects include pain, inflammation, bruising, ptosis, lagophthalmos, facial paresis, asthenia, dysphagia, hoarseness and allergic reactions. 1 Immediate adverse effects include pain, inflammation and bruising, while long-term effects involve ptosis, lagophthalmos, facial paresis, muscular weakness, dysphagia, hoarseness, allergic responses, etc.2