Rantidine - Can't recommend anything better. Mine was so bad I was vomiting with it constantly this stuff stopped it. I love it 12 tablets for £1 in Tesco take one first thing in the morning then another about 8 hours later. Wonderful stuff.
the lady at my local boots is actually really good, I always double check my prescriptions with her, have more confidence in her than the GP (been the same lady there for years, she's picked up on mistakes made by GP in the past)