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 Drugs used in profile access of migraine are all except and explain in detail?
Prophylaxis of migraine is required if the attacks are frequent (more than 2-3) per month these drugs useful for prophylaxis are Propranolol is the most commonly used drug for prophylaxis of migraine attack timolol, Atenolol, metoprolol and nodalol are also be used for the drugs with ISA are ineffective Calcium channel blocker slaked flunarizine is also effective Clonidine can be used orally for the prophylaxis of migraine attack Topiramate anticonvulsant drug has recently been approved for prophylaxis of migraine. valproate and gabapentin also causes some prophylactic activity. Refer katzung 11/ep283