• Headache
• Nausea
• Diarrhea
• Paresthesia (tingling or pricking sensation)
• Dizziness
• Cough
• Abdominal pain
• Throat pain
• Peripheral neuropathy (tingling and numbness of feet and hand)

If you miss a dose of V Letra 33.3 mg/133.3 mg Capsule, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

• Q. Ritonavir Q. What is Ritonavir used for??
  Ans: It is used along with other medication for treating human immunodeficiency virus (HIV) infection. It does not completely cure HIV or AIDS
• Q. Q. Why is ritonavir used along with lopinavir??
  Ans: Ritonavir is available with lopinavir as a fixed dose combination as it improves the availability of lopinavir which helps in increasing activity against HIV
• Q. Q. Is ritonavir a protease inhibitor??
  Ans: Ritonavir, a protease inhibitor
• Q. Q. How does Ritonavir work and what does it inhibit??
  Ans: Ritonavir belongs to a class of medication called protease inhibitors. It inhibits protease enzymes from breaking down proteins and thus prevents HIV from multiplying inside the body. It does not cure HIV completely but reduces the chances of getting acquired immunodeficiency syndrome (AIDS) and HIV related infections or cancer
• Q. Q. Why is it used as a booster??
  Ans: Ritonavir is used as a booster to increase the absorption of other protease inhibitors as well as prevent other protease inhibitors from being degraded.

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