Yet a number of experts are rallying in defense of these drugs, saying that diuretics, also known as water pills, remain the preferred medication for a number of patients.

Travelers should carry adequate supplies of any needed prescription medicines, along with copies of their prescriptions, the generic name of the drugs, and a supply of preferred over-the-counter medications.

Data from the trial suggest that anastrozole should be the preferred medication for postmenopausal women with localized breast cancer that is estrogen receptor (ER) positive.

The recommended blood pressure goal is less than 140/90 mm Hg with thiazide diuretics being the preferred medication in America.

H.M.O.'s typically pays for drugs not on the list only if a doctor can persuade the health plan to make an exception when the preferred medication has not worked.

A state panel proposed excluding Zyprexa, an antipsychotic medication that is the state's single biggest drug expense, from the Medicaid list of preferred medications.

The state decided to take Zyprexa off its list of preferred medications, which means that patients must try and fail on a similar, cheaper drug before it will pay for Zyprexa.

Pyrantel pamoate is the preferred medication for pregnant patients.

The lawsuit further claimed that Express Scripts had overstated the cost benefits of switching to certain preferred medications.

The preferred medication it recommended was zinc oxide.