What is Viekira Pak: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Jan 25, 2023

Viekira Pak overview

BRAND NAMES:

  • Viekira Pak

Generic Names:

  • Viekira Pak

Uses:

  • Treats chronic hepatitis C infection.

Therapeutic Classes:

  • Antiviral

Forms:

  • Tablet

How it’s taken:

  • By mouth

What is Viekira Pak used for?

Viekira Pak is used to treat a viral infection of the liver called Hepatitis C. Viekira Pak contains ombitasvir, paritaprevir, and dasabuvir and works by stopping the virus from spreading in the body. This helps your immune system to fight off the infection. Viekira Pak also contains ritonavir. This is used to increase the levels of paritaprevir.

What form(s) does Viekira Pak come in

  • Tablet

What are common Viekira Pak doses?

  • Disp Pack 112 tablets therapy pack

Common Viekira Pak prescriptions

  • Viekira Pak
    112 tablets therapy pack disp pack

How to take Viekira Pak

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • This medicine package contains 2 kinds of tablets. The pink tablets contain a combination of ombitasvir, paritaprevir, and ritonavir. The beige tablets contain only dasabuvir.

  • Make sure you understand how to use all of the medicines your doctor prescribed.

  • Oral routeIt is best to take this medicine with food or milk.

  • This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.

  • Missed dose: Pink tablet: If it is less than 12 hours from the time you usually take your medicine, take the pink tablet as soon as you can. If it is more than 12 hours from the time you usually take your medicine, skip the missed dose and take your next dose at the regular time.Beige tablet: If it is less than 6 hours from the time you usually take your medicine, take the beige tablet as soon as you can. If it is more than 6 hours from the time you usually take your medicine, skip the missed dose and take your next dose at the regular time.Do not take extra medicine to make up for a missed dose. Call your doctor or pharmacist if you have questions.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

  • Missed dose: Less than 12 hours: Take a dose as soon as you can.More than 12 hours: Skip the missed dose and take your next dose at the regular time.

What to do if you miss a dose of Viekira Pak

Viekira Pak contraindications

  • This medicine is not right for everyone. Do not use it if you had an allergic reaction to ombitasvir, paritaprevir, ritonavir, or dasabuvir.

  • This medicine is not right for everyone. Do not use it if you had an allergic reaction to ombitasvir, paritaprevir, or ritonavir. Do not use it together with ribavirin if you are pregnant or your sexual partner is pregnant.

Viekira Pak warnings

  • Tell your doctor if you are pregnant or breastfeeding, or if you have liver disease (including hepatitis B) or HIV infection. Tell your doctor if you had a liver transplant.

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • Ribavirin may cause birth defects if either partner is using it during conception or pregnancy. Tell your doctor right away if you or your partner becomes pregnant. Avoid pregnancy during treatment and within 6 months of stopping treatment with Technivie„¢ with ribavirin. Follow all directions about birth control.

  • Tell your doctor if you are breastfeeding, or if you have liver disease (including hepatitis B) or HIV infection. Tell your doctor if you had a liver transplant.

Viekira Pak interactions

  • Do not use this medicine together with alfuzosin, apalutamide, atorvastatin, cisapride, colchicine, dronedarone, efavirenz, everolimus, gemfibrozil, lomitapide, lovastatin, lurasidone, oral midazolam, pimozide, ranolazine, rifampin, sildenafil (when used for pulmonary hypertension), simvastatin, sirolimus, St John's wort, tacrolimus, triazolam, medicine to treat seizures (including carbamazepine, phenobarbital, phenytoin), or ergot medicines. Do not take medicine that contains estrogen (ethinyl estradiol), including birth control pills.

  • Some medicines can affect how this medicine works. Tell your doctor if you are using any of the following:Acetaminophen/hydrocodone, alprazolam, buprenorphine/naloxone, carisoprodol, cyclobenzaprine, cyclosporine, diazepam, elagolix, fentanyl, fluticasone, furosemide, ketoconazole, omeprazole, pravastatin, quetiapine, rosuvastatin, salmeterol, or voriconazoleBlood pressure medicine (including amlodipine, candesartan, diltiazem, losartan, nifedipine, valsartan, verapamil)Cancer medicine (including encorafenib, fostamatinib, ibrutinib, ivosidenib)Medicine to treat heart rhythm problems (including amiodarone, bepridil, disopyramide, flecainide, lidocaine, mexiletine, propafenone, quinidine)Medicine to treat HIV infection (including atazanavir, atazanavir/ritonavir, darunavir/ritonavir, lopinavir/ritonavir, rilpivirine)Steroid medicine

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • Do not use this medicine together with alfuzosin, apalutamide, atorvastatin, cisapride, colchicine, dronedarone, efavirenz, everolimus, lomitapide, lovastatin, lurasidone, oral midazolam, pimozide, ranolazine, rifampin, sildenafil (for pulmonary hypertension), simvastatin, sirolimus, St John's wort, tacrolimus, triazolam, medicine to treat seizures (including carbamazepine, phenobarbital, phenytoin), or ergot medicines. Do not take medicine that contains estrogen (ethinyl estradiol), including birth control pills.

  • Some medicines can affect how this medicine works. Tell your doctor if you are using any of the following:Alprazolam, buprenorphine/naloxone, carisoprodol, cyclobenzaprine, cyclosporine, diazepam, digoxin, fentanyl, fluticasone, furosemide, hydrocodone/acetaminophen, ketoconazole, omeprazole, pravastatin, quetiapine, salmeterol, or voriconazoleBlood pressure medicineCancer medicine (including encorafenib, fostamatinib, ibrutinib, ivosidenib)Medicine to treat heart rhythm problem (including amiodarone, bepridil, disopyramide, flecainide, lidocaine, mexiletine, propafenone, quinidine)Medicine to treat HIV infection (including atazanavir, atazanavir/ritonavir, darunavir/ritonavir, lopinavir/ritonavir, rilpivirine)Steroid medicine

Viekira Pak side effects

Serious Side Effects

  • Dark urine or pale stools, nausea, vomiting, loss of appetite, stomach pain, yellow skin or eyes

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Blistering, peeling, red skin rash

Less Serious Side Effects

  • Trouble sleeping

  • Tiredness or weakness

  • Back, joint, or muscle pain

  • Headache or dizziness

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