Drugs >  Ritonavir
Ritonavir
Pronunciation
Brand Names
Therapeutic Categories
What key warnings should I know about before taking this medicine?
Reasons not to take this medicine
What is this medicine used for?
How does it work?
How is it best taken?
What do I do if I miss a dose?
What are the precautions when taking this medicine?
What are the common side effects of this medicine?
What should I monitor?
Reasons to call healthcare provider immediately
How should I store this medicine?
General statements

Pronunciation
(rye TON a veer)

Brand Names
Norvir®

Therapeutic Categories
Antiretroviral Agent, Protease Inhibitor

What key warnings should I know about before taking this medicine?

  • May not mix well with other medications. Life-threatening reactions may occur. Consult your healthcare provider before taking any other medications.


Reasons not to take this medicine

  • If you have an allergy to ritonavir or any other part of the medicine.
  • If you are taking any of these medicines: Amiodarone, bepridil, flecainide, propafenone, quinidine, astemizole, terfenadine, dihydroergotamine, ergotamine, midazolam, triazolam, cisapride, or pimozide.


What is this medicine used for?

  • This medicine is used to treat HIV infection. It is usually taken with 2 other medicines.


How does it work?

  • Ritonavir stops the HIV virus from increasing. It binds up an enzyme that is needed for reproduction of the virus.


How is it best taken?

  • The medicine must be taken exactly as directed.
  • Take with food.
  • Mix solution with chocolate milk, Ensure®, or Advera® (improves taste).
  • Shake solution well before using.


What do I do if I miss a dose?

  • Take a missed dose as soon as possible.
  • Return to your regular schedule for the next dose.
  • Do not take a double dose or extra doses.
  • Do not change dose or stop taking medicine without talking with healthcare provider.


What are the precautions when taking this medicine?

  • Check medicines with healthcare provider. This medicine may not mix well with other medicines.
  • Do not take with St. John's wort or any product containing St. John's wort. St. John's wort may lead to the failure of ritonavir to keep your HIV disease controlled.
  • Do not run out of this medication. Get it refilled today!
  • Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, throat; or any other symptoms involved.
  • Protect against sexual spread of disease. Use an effective method of birth control. Talk with healthcare provider if you have questions. Oral contraceptives do not protect against the spread of sexual diseases.
  • Breast-feeding is not recommended in HIV disease.


What are the common side effects of this medicine?

  • Feeling tired. Avoid driving, doing other tasks or activities that require you to be alert until you see how this medicine affects you.
  • Diarrhea.
  • Nausea or vomiting. Small frequent meals, frequent mouth care, sucking hard candy, or chewing gum may help.
  • Anorexia, belly pain, changes in taste.
  • Numbness and tingling.


What should I monitor?

  • Check blood work. Talk with healthcare provider.
  • Follow up with healthcare provider.


Reasons to call healthcare provider immediately

  • Signs of a life-threatening reaction. These include wheezing; tightness in the chest; fever; itching; bad cough; blue skin color; fits; swelling of face, lips, tongue, or throat.
  • Severe nausea, vomiting, and/or diarrhea.
  • Any rash.
  • No improvement in condition or feeling worse.


How should I store this medicine?

  • Store capsules in refrigerator. Protect from light.
  • Store solution at room temperature. Keep cap tightly closed.


General statements

  • Do not share your medicine with others and do not take anyone else's medicine.
  • Keep all medicine out of the reach of children and pets.
  • Keep a list of all your medicines (prescription, herbal/supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, pharmacist, physician assistant).
  • Talk with healthcare provider before starting any new medicine, including over-the-counter or natural products (herbs, vitamins).


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