You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A middle aged female is having essential blepharospasm and is planned to be treated with Botulinum toxin. Which of the following is not true? and explain in detail?
Type C is most effective The initial treatment of choice in essential blepharospasm is Botulinum toxin type A. Among seven available form (A, B, C, D, E, F & G), only type A is used clinically and is most effective form. Botulinum toxin - Chemodenervation: * Type A is used * Block neuromuscular junctions (Cholinergic) * Onset 24-72 Hrs * Duration 3 months, hence need repeat injections * Dose: 1.25-5 unit/injection site. Usually given at 4 initial sites. * Response rate is 95-98%. * Adverse effects: Ptosis, Epiphora, Keratitis, dy eyes, diplopia