A. They are minor variations of old drugs already on the market.

As my doc says, sometimes the old drugs are the best.

Oh, of course, that was the old drug where you had a chance.

"They're using older drugs that are already off patent in China," he said.

It is the second time within recent months that a remarkable new use was found for an older drug.

Many patients stop taking the older drugs because they find the side effects intolerable.

He and other experts agree that the older drugs are still the standards of effective treatment.

When going back to the old drug I have noticed improvement.

Or might older - and less expensive - drugs do the job just as well in many cases?

I understand it is an old drug and very safe.