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Viekira Pak

Generic Name: Ombitasvir, Paritaprevir, Ritonavir, and Dasabuvir Tablets (om BIT as vir, par i TA pre vir, ri TOE na vir, & da SA bue vir)
Brand Name: Viekira Pak

  • You will be tested for hepatitis B before starting Viekira Pak (ombitasvir, paritaprevir, ritonavir, and dasabuvir tablets). In people who have had hepatitis B before or carry the virus, the virus has become active again during or after treatment with drugs like this one. This can lead to very bad and sometimes deadly liver problems. People who have hepatitis B and hepatitis C need to be watched closely during and after treatment with this medicine. If you have questions, talk with your doctor.

Uses of Viekira Pak:

  • It is used to treat hepatitis C infection.

What do I need to tell my doctor BEFORE I take Viekira Pak?

  • If you have an allergy to Viekira Pak or any part of this medicine.
  • If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
  • If you have liver problems other than hepatitis C.
  • If you have had a severe skin reaction after taking ritonavir.
  • If you are taking a drug that contains ethinyl estradiol, like certain birth control pills. Do not take a drug that contains ethinyl estradiol while taking Viekira Pak and for some time after stopping this medicine. Your doctor will tell you when you can start taking a drug that contains ethinyl estradiol again after stopping Viekira Pak.
  • If you take any drugs (prescription or OTC, natural products, vitamins) that must not be taken with this medicine, like certain drugs that are used for high cholesterol, HIV, or seizures. There are many drugs that must not be taken with Viekira Pak.

This is not a list of all drugs or health problems that interact with this medicine.

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Viekira Pak with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take Viekira Pak?

  • Tell all of your health care providers that you take this medicine. This includes your doctors, nurses, pharmacists, and dentists.
  • Have blood work checked as you have been told by the doctor. Talk with the doctor.
  • This medicine interacts with many other drugs. The chance of Viekira Pak's side effects may be raised or how well this medicine works may be lowered. The chance of the other drugs' side effects may also be raised. This may include very bad, life-threatening, or deadly side effects. Check with your doctor and pharmacist to make sure that it is safe for you to take Viekira Pak (ombitasvir, paritaprevir, ritonavir, and dasabuvir tablets) with all of your other drugs (prescription or OTC, natural products, vitamins).
  • It is not known if this medicine stops the spread of diseases like hepatitis that are passed through blood or having sex. Do not have any kind of sex without using a latex or polyurethane condom. Do not share needles or other things like toothbrushes or razors. Talk with your doctor.
  • Drugs that contain ethinyl estradiol, like certain birth control pills, must not be used with Viekira Pak. If you use a birth control that contains ethinyl estradiol, you will need to use another type of birth control. This may include a progestin-only birth control or condoms. You will need to do this while taking this medicine and for about 2 weeks after you stop taking it. Talk with the doctor.
  • This medicine may be used with ribavirin. If you are also taking ribavirin, talk with the doctor about the risks and side effects that may happen.
  • If you have HIV infection, talk with your doctor.
  • Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using Viekira Pak while you are pregnant.
  • Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

How is this medicine (Viekira Pak) best taken?

Use this medicine as ordered by your doctor. Read all information given to you. Follow all instructions closely.

  • Take with a meal.
  • Keep taking Viekira Pak as you have been told by your doctor or other health care provider, even if you feel well.
  • It is important that you do not miss or skip a dose of this medicine during treatment.

What do I do if I miss a dose?

  • Take a missed dose as soon as you think about it.
  • If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
  • Do not take 2 doses at the same time or extra doses.
  • If you are not sure what to do if you miss a dose, call your doctor.

See also: Dosage Information (in more detail)

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Any skin reaction.
  • Feeling very tired or weak.
  • Very bad and sometimes deadly liver problems have happened with Viekira Pak. Some people have needed a liver transplant. These problems most often happened within 1 to 4 weeks of starting treatment. Most people who have had them already had liver problems before starting this medicine. Tell your doctor right away if you have signs of liver problems like dark urine, feeling tired or weak, change in thinking clearly and with logic, not hungry, upset stomach or stomach pain, stomach swelling, light-colored stools, throwing up, or yellow skin or eyes.
  • A very bad skin reaction (Stevens-Johnson syndrome/toxic epidermal necrolysis) may happen. It can cause very bad health problems that may not go away, and sometimes death. Get medical help right away if you have signs like red, swollen, blistered, or peeling skin (with or without fever); red or irritated eyes; or sores in your mouth, throat, nose, or eyes.

What are some other side effects of Viekira Pak?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

  • Itching.
  • Upset stomach.
  • Feeling tired or weak.
  • Not able to sleep.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.

See also: Side effects (in more detail)

If OVERDOSE is suspected:

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

How do I store and/or throw out Viekira Pak?

  • Store at room temperature.
  • Store in a dry place. Do not store in a bathroom.
  • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Check with your pharmacist about how to throw out unused drugs.

Consumer Information Use and Disclaimer

  • If your symptoms or health problems do not get better or if they become worse, call your doctor.
  • Do not share your drugs with others and do not take anyone else's drugs.
  • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
  • Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
  • This medicine comes with an extra patient fact sheet called a Medication Guide. Read it with care. Read it again each time Viekira Pak is refilled. If you have any questions about this medicine, please talk with the doctor, pharmacist, or other health care provider.
  • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

This information should not be used to decide whether or not to take Viekira Pak or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to Viekira Pak (ombitasvir, paritaprevir, ritonavir, and dasabuvir tablets). This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using this medicine.

Review Date: September 6, 2017

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