Often it is because the person cannot tolerate the drug regimen.

Women and their doctors still will have to decide which drug regimen to use.

It results in a simplified drug regimen for many patients.

Thus, he and other doctors said, many patients were started out on a drug regimen that would fail a large number of them.

Once the free drugs are gone, how many will be able to maintain the intensive drug regimen and their health?

Here, the band sounds like it hasn't quite gotten their drug regimen down.

A second reason is that the agency did not recommend a specific drug regimen.

Are there any lifestyle changes I can try before starting a drug regimen?

But the alert raised new questions because it did not recommend a specific drug regimen.

Here, the solution is straightforward: change the patient's drug regimen.