TY - JOUR T1 - Botox for chronic migraine JF - Drug and Therapeutics Bulletin JO - Drug Ther Bull SP - 22 LP - 24 DO - 10.1136/dtb.2010.10.0008 VL - 49 IS - 2 A2 - , Y1 - 2011/02/01 UR - http://dtb.bmj.com/content/49/2/22.abstract N2 - Botulinum toxin A is used as treatment for various conditions involving muscle spasm and is available in several formulations. One of these (Botox) has recently been licensed in the UK for the prevention of headaches in adults with chronic migraine1 as regular injections into head and neck muscles. Here we discuss the efficacy and safety of this treatment. ER -