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There may be other brand names for this medicine.
You should not use this medicine if you have had a severe allergic reaction to saquinavir, saquinavir mesylate, ritonavir (Norvir®), or if you have severe liver disease. You should not use this medicine if you have a heart disease and do not use a pacemaker, heart rhythm problems (such as congenital long QT syndrome), or low potassium or magnesium in the blood. You should not use this medicine if you are also taking medicine for heart rhythm problems (such as amiodarone, bepridil, dofetilide, flecainide, lidocaine, propafenone, quinidine, Cordarone®, Pacerone®, Quinora®, Rhythmol®, Tambocor®, Tikosyn®, or Vascor®), ergotamine medicines (such as dihydroergotamine, ergonovine, ergotamine, methylergonovine, Cafergot®, D.H.E. 45®, Embolex®, Ergomar®, Ergostate®, Ergotrate®, Methergine®, Migergot®, Migranal®, Wigraine®, or Wigrettes®), alfuzosin (Uroxatral®), astemizole (Hismanal®), cisapride (Propulsid®), lovastatin (Advicor®, Altoprev®, Mevacor®), pimozide (Orap®), oral midazolam (Versed®), rifampin (Rifadin®, Rifamate®, Rifater®, Rimactane®), sildenafil (Revatio®), simvastatin (Simcor®, Vytorin®, Zocor®), terfenadine (Seldane®), trazodone (Desyrel®, Oleptro®), or triazolam (Halcion®).