04/26/2012 0 Comments Contact Our News Editors

Although botulinum toxin A ("Botox") injections are U.S. Food and Drug Administration approved for preventive treatment for chronic migraines, a review and analysis of previous studies finds a small to modest benefit for patients with chronic migraine headaches and chronic daily headaches, although botox injections were not associated with greater benefit than placebo for preventing episodic migraine or chronic tension-type headaches, according to an article in the April 25 issue of JAMA.