Yes Leta. You are correct. There may in rare cases be some difference in bioavailability. This was more common when generics were first introduced. It is probably the most prudent to stick with the same generic brand from refill to refill but not reasonable to pay 10 x the price for the same drug. Charlie Charles T. Meyer, MD Leta Anderson wrote: > it is a good idea to ask your pharmacist about the differences in > brand and generic drugs. I take Synthroid (brand name thyroid > replacement) because the absorbtion varies a lot with generics. The > pahrmacist may be a better source of this info than your doc. > > Leta 53/53, (R.N. 31 years) > > _________________________________________________________ > DO YOU YAHOO!? > Get your free @yahoo.com address at http://mail.yahoo.com