migraine
"I was prescribed 4 mg 3x a day. I asked my PCP for a prescription for this after doing some research myself. I never did see clear dosage guidelines so my Dr put me on the dose for allergies because use for migraines its off lable. I started it at 4 mg at night and had to go home sick (sleepy) from work the next day! So be very cautious when starting this medicine. I then started taking only 2mg each night and it has worked wonderfully. I had a migraine everyday for about 6 months before trying this and now not one for Months. I feel like I have my life back."