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Abbott Laboratories Increases Norvir Price Fivefold

In an entirely unexpected move on December 4, 2003, Abbott Laboratories increased the U.S. wholesale price of its 100-mg capsules of ritonavir (Norvir®), to five times what it had been the day before -- and increased the price of the liquid formulati...

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Ritonavir and Menstruation

Women living with HIV often experience changes in their menstrual cycle, including the flow and frequency of menstruation. A recent study suggests that women using the drug ritonavir (Norvir®) as part of their anti-HIV combination therapy may be at a...

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Warning: Ritonavir and Ecstasy

Taking Ecstasy while you are on Ritonavir (a protease inhibitor made by Abbott, also called Norvir) can be dangerous, because of how the two drugs Interact. For some people, this interaction might be fatal.

One reason: Ritonavir increases how much E...