Viekira Pak

1 What is Viekira Pak?

Brand: Viekira Pak

Generic: Ombitasvir, Paritaprevir, Ritonavir and Dasabuvir

Viekira Pak is an antiviral drug used with or without ribavirin for the treatment of chronic hepatitis C infection, including patients with compensated cirrhosis. This drug requires a prescription.

2 What to Know Before Using

Before using Viekira Pak, you must know all about the risks and complications associated with it. Inform your healthcare provider for any allergic reactions to these drugs or any other drugs, foods, dyes, preservatives, or animals.

Carefully read the label of non-prescription drugs for any possible allergic reaction or contraindications. Studies in children regarding the correlation of age to the effects of Viekira Pak have not been performed while safety and efficacy have not been established.

Studies in the elderly have not demonstrated any geriatric-specific problems that would limit the utility of Viekira Pak. Indications of harm to the fetus have not been reported in animal studies but studies in pregnant women or animals are still inadequate.

Infant risk is still undetermined when using this drug during breastfeeding. Discuss with your healthcare professional about the potential risks and benefits of taking this drug while breastfeeding.

Drugs should not be taken together to prevent any interactions but in necessary cases inquire your healthcare provider regarding the adjustments in dosage or any other necessary precautions to prevent any unwanted side effects.

Inform your healthcare professional if you are taking any other drugs such as:

  • Alfuzosin
  • Colchicine
  • Blood thinners
  • Corticosteroids
  • Efavirenz
  • Ethinyl estradiol
  • Gemfibrozil oral midazolam
  • Pimozide
  • Rifampin
  • Sildenafil
  • St. John's wort
  • Triazolam
  • Certain drugs to lower cholesterol
  • Drugs to treat seizures
  • Ergot drugs

Intake of specific food or using alcohol or tobacco with this drug is associated with an increased risk of certain side effects. Your healthcare professional can give you special instructions about the use of food, alcohol, or tobacco.

Inform your healthcare professional if you have any other medical problems such as HIV infection, or liver disease.

3 Proper Usage

To use Viekira Pak properly, you must follow all instructions given by your doctor. This drug must be taken together with or without ribavirin for the full time of treatment to ensure complete drug therapy.

This drug must be used on a regular schedule to keep it at a maintained level in the blood for optimal effects. This drug contains 2 different types of tablets: the pink tablet which contains a fixed dose combination of ombitasvir, paritaprevir, ritonavir and the beige tablet which contains dasabuvir. You can take this drug with food.

The dose of this drug will be variable for different patients. The directions on the label or the prescription by your healthcare professional should be followed.

Adults with chronic hepatitis C virus infection are advised to take 2 pink tablets once a day and 1 beige tablet two times a day. Use and dose in children must be determined by your healthcare professional.

A missed dose should be taken as soon as possible. However, skip the missed dose and go back to your regular dosing schedule if it is almost time for your next dose.

Store the drug in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing. Keep out of the reach of children. Dispose any outdated or expired drugs and ask your healthcare professional for the proper disposal of the drugs.

4 Precautions to Take

Before using Viekira Pak, there are some precautions you must take. Regular visits should be made to your healthcare provider to track your progress and to monitor the effectiveness of the drug. Unwanted effects can be screened using blood tests.

This drug has teratogenic potential and may also cause birth defects if the father is using it when his sexual partner becomes pregnant. Inform your healthcare professional if a pregnancy occurs while you are using these drugs.

This drug combination is contraindicated for use with:

  • Alfuzosin (UroxatralВ®)
  • Colchicine (ColcrysВ®)
  • Efavirenz (SustivaВ®)
  • Ethinyl estradiol (NorinylВ®, Ortho EvraВ®)
  • Oral midazolam (VersedВ®)
  • Pimozide (OrapВ®)
  • rifampin (RifadinВ®
  • RimactaneВ®)
  • Sildenafil (RevatioВ®)
  • St. John's wort
  • Triazolam (HalcionВ®)
  • Certain medicines to lower cholesterol (such as lovastatin, simvastatin
  • MevacorВ®, ZocorВ®)
  • Medicine to treat seizures (such as carbamazepine, phenobarbital, phenytoin, TegretolВ®)
  • Ergot medicines (such as dihydroergotamine, ergonovine, ergotamine, methylergonovine, CafergotВ®, ErgomarВ®, WigraineВ®) to prevent very serious medical problems

Check with your healthcare professional immediately if you have symptoms of a liver problem such as feeling weak or fatigued, have the onset of confusion, have pain or tenderness in the upper stomach, pale stools, dark urine, loss of appetite, nausea, vomiting, or yellow eyes or skin.

Consult with your healthcare professional before you take any other prescription or nonprescription drugs, and herbal or vitamin supplements.

5 Potential Side Effects

Make sure you meet with your doctor in using Viekira Pak to avoid unwanted potential side effects. Side effects may vary for each individual and prompt medical attention should be given if they occur.

Seek advice from your healthcare professional immediately if you experience any unusual symptoms such as:

  • Abdominal or stomach pain
  • Bloating of the abdomen or stomach
  • Dark urine
  • Light-colored stools
  • Nausea and vomiting
  • Yellow eyes or skin
  • Blistering, peeling or loosening of the skin
  • Chills
  • Cough
  • Diarrhea
  • Itching
  • Joint or muscle pain
  • Red skin lesions, often with a purple center
  • Red, irritated eyes
  • Sore throat
  • Sores, ulcers, or white spots in the mouth or on the lips
  • Unusual tiredness or weakness

Some side effects may occur that usually do not need medical attention. As your body adjusts to the medicine, the side effects will slowly disappear. Ask your healthcare professional about ways to prevent or reduce some of these side effects.

If any of the following side effects persists or are inconvenient, or if you notice any other effects, or if you have any questions about them, consult with your health care professional. Report any side effects to the FDA hotline at 1-800-FDA-1088.

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