US federal health officials have approved the first prescription drug to boost sexual desire in women, a milestone long sought by the pharmaceutical industry.
But safety restrictions on the daily pill, called Addyi, mean it will probably never achieve the blockbuster sales of men's impotence drugs like Viagra, which have generated billions of dollars.
The new drug's label will carry a bold warning that combining it with alcohol can cause dangerously low blood pressure and fainting.
Those problems can also occur if the drug is taken alongside certain common medications, including drugs used to treat yeast infections.
The Food and Drug Administration approval on Tuesday marks an unusual turnaround for the agency.