Greetings...I am married Female 41 yrs old, since 15 yrs suffering from headache . was taking pain killers only. only last 7 years came to know that i have migraine . taken different type of medication , homeopath , allopath and ayurved in last so many years but no relief. I am taking Valance OD 500 but it also stop working , it is really depressing ...what to do????