Viekira Pak is a prescription medicine used with or without ribavirin to treat people with genotype 1 chronic (lasting a long time) hepatitis C virus (HCV) infection, including people who have a certain type of cirrhosis (compensated). It is not for people with advanced cirrhosis (decompensated). If you have cirrhosis, talk to your healthcare provider before taking Viekira Pak. Viekira Pak contains 2 different types of tablets. You must take both types of tablets exactly as prescribed, to treat your chronic hepatitis C virus (HCV) infection, the pink tablet contains: the medicines ombitasvir, paritaprevir, and ritonavir and the beige tablet contains: the medicine dasabuvir If you take Viekira Pak with ribavirin, you should also read the Medication Guide for ribavirin. It is not known if Viekira Pak is safe and effective in children under 18 years of age. Take the medication exactly as prescribed by your doctor. Recommended dosage is two ombitasvir, paritaprevir, ritonavir 12.5/75/50 mg tablets once daily (in the morning) and one dasabuvir 250 mg tablet twice daily (morning and evening) with a meal without regard to fat or calorie content.
Viekira Pak is manufactured by Abbvie comes from Canada. The active ingredients in this medication are Dasabuvir Sodium, Omitasvir, Paritaprevir and Ritonavir. The generic form of Viekira Pak is not available. Viekira Pak is available as 2 different type of tablets, pink tablet containing, Dasabuvir Sodium, Omitasvir, Paritaprevir and Ritonavir in the dosage form of 250 mg/12.5 mg/75 mg/50 mg respectively and beige tablet containing dasabuvir 250 mg.
Stop taking Viekira Pak and call your doctor at once if you have one of these serious side effects:
• Color changes in your stools
• Increase in liver function tests, nausea and vomiting
• Loss of appetite
• Yellowing of your skin or eyes
Less serious side effects include nausea, tiredness, itching, skin reactions such as redness, rash, sleep problems, weakness. Please call your doctor if you have any further concerns or questions.
Viekira Pak can cause increases in your liver function blood test results, especially if you use ethinyl estradiol-containing medicines (such as some birth control products). You must stop using ethinyl estradiol-containing medicines before you start treatment with Viekira Pak. If you use these medicines as a method of birth control, you must use another method of birth control during treatment with Viekira Pak, and for about 2 weeks after you finish treatment with Viekira Pak. Do not take Viekira Pak if you have severe liver problems, had severe skin reaction after taking ritonavir. Viekira Pak may interact with alfuzosin hydrochloride (used to treat benign prostatic hyperplasia), anti-seizure medications, efavirenz (used to treat HIV), ergot containing medicines, ethinyl estradiol-containing medicines such as birth control pills, medicines used to treat abnormal lipid levels such as lovastatin, midazolam, pimozide, rifampin, sildenafil citrate when taken for pulmonary artery hypertension (PAH), St. John’s wort.