This subtopic covers the use of botulinum toxin type A (BoNT-A) for treating primary focal hyperhidrosis, a condition of excessive sweating beyond thermoregulatory needs, commonly affecting axillae, palms, and soles. Learners must master patient assessment, including diagnosis via Minor's iodine-starch test and grading severity, to determine suitability for injectable therapy. The focus is on safe, evidence-based injection techniques, anatomical landmarks, dilution protocols, and management of potential complications such as injection site pain, haematoma, or compensatory sweating, ensuring competence in non-facial aesthetic procedures.
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