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Ritonavir is used in the treatment of HIV infection

How it works

Ritonavir prevents the multiplication of HIV virus in human cells. Thus stops the HIV virus from producing new viruses.

Common side effects

Rash, Headache, Dizziness, Muscle pain, Insomnia (difficulty in sleeping), Vomiting, Weakness, Nausea, Abdominal pain, Loss of appetite, Dyspepsia, Circumoral paresthesia, Paresthesia (tingling or pricking sensation), Glucose intolerance, Jaundice, Fatigue, Fever, Incresed blood lipid level, Diarrhoea, Peripheral neuropathy (tingling and numbness of feet and hand), Depression, Feeling of discomfort, Altered taste, Increased cholesterol level in blood, Increased triglyceride level in blood, Increased glucose level in blood

Available Medicine

  • ₹1800
    Cipla Ltd
    2 variant(s)
  • ₹978
    Emcure Pharmaceuticals Ltd
    1 variant(s)
  • ₹865 to ₹2649
    Alkem Laboratories Ltd
    2 variant(s)
  • ₹1890
    Sun Pharmaceutical Industries Ltd
    1 variant(s)

Expert advice

  • Consult your doctor about taking the ritonavir if you had a history of hepatitis A or B, hemophilia, diabetes, erectile dysfunction, kidney disease, any kind of infection, stiffness or aches or pains in joints, weakness or pain or tenderness in muscles, light-headedness, dizziness, fainting episodes or abnormal heartbeat.
  • Ritonavir tablets should always be taken with food.
  • Use effective methods of contraception to avoid pregnancy.
  • Do not drive or operate machinery as ritonavir can cause dizziness or sleepiness.

Frequently asked questions



Is ritonavir a protease inhibitor?
Ritonavir, a protease inhibitor


What is ritonavir used for?
It is used along with other medication for treating human immunodeficiency virus (HIV) infection. It does not completely cure HIV or AIDS


How does ritonavir work and what does it inhibit?
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

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Why is ritonavir used along with lopinavir?
Ritonavir is available with lopinavir as a fixed dose combination as it improves the availability of lopinavir which helps in increasing activity against HIV


Why is it used as a booster?
Ritonavir is used as a booster to increase the absorption of other protease inhibitors as well as prevent other protease inhibitors from being degraded.

Content on this page was last updated on 14 February, 2017, by Dr. Varun Gupta (MD Pharmacology)