Do not take Invirase • if you are allergic (hypersensitive) to saquinavir, ritonavir or any of the other ingredients (see section “Important information about an ingredient of Invirase” and section “What Invirase contains”). • if you have liver disease with severe disease symptoms (e.g. jaundice or hepatitis with ascites, mental confusion and/or bleeding from veins of the oesophagus). • if you are currently taking any of the following medicines: