Is norvir (ritonavir) a drug that has to be refrigerated all the time?

Used to be.... Norvir (generic name: ritonavir)- the drug is a protease inhibitor that is more commonly used to "boost" (i.e. Increase the level) other protease inhibitors. Available in the past in its cap form, this drug had to be refrigerated. However, it was reformulated as a tablet, which doesn't require refrigeration.