In the years since, she has tried a series of drugs and drug combinations.

It may take some time to find the best combination of drugs for a particular person.

What combinations of drugs should be started first and when?

Another factor to consider is the use of drug combinations.

The drug combination was most effective in the 859 women who were no more than 49 days pregnant.

So combinations of drugs will probably be needed, researchers say.

In severe cases, a combination of drugs may work best.

And no one will tell him the exact combination of drugs to take.

The antibiotics are either a single drug or a combination of drugs.

It often uses a combination of drugs to be more effective.