Viekira Pak

NOTICE: This Consumer Medicine Information (CMI) is intended for persons living in Australia.

A combination therapy containing paritaprevir, ritonavir, ombitasvir and dasabuvir
Consumer Medicine Information (CMI)

What is in this leaflet

This leaflet answers some common questions about Viekira Pak.
It does not contain all the available information. It does not take the place of talking to your doctor or pharmacist.
All medicines have risks and benefits. Your doctor has weighed the risks of you taking this medicine against the benefits they expect it will have for you.
If you have any concerns about taking this medicine, ask your doctor or pharmacist.
Keep this leaflet with the medicine.
You may need to read it again.

What Viekira Pak is used for

Viekira Pak is used to treat chronic (lasting a long time) hepatitis C infection in adults including those with cirrhosis (scarring of the liver).
Hepatitis C is a liver disease and caused by a virus which infects and damages liver cells.
This treatment is used for patients with hepatitis C and consists of 2 different types of tablets.
These must be taken according to the instructions given by your doctor
Viekira Pak includes medicines called direct-acting antiviral agents.
It works by by lowering the amount of hepatitis C virus in your body. It removes the virus from your blood over a period of time.
Ask your doctor or pharmacist if you have any questions about why it has been prescribed for you.
Your doctor may have prescribed it for another purpose.

Before you take Viekira Pak

When you must not take it

Do not take Viekira Pak if you have an allergy to:
any medicine containing paritaprevir, ritonavir, ombitasvir or dasabuvir
any of the ingredients listed at the end of this leaflet
Some symptoms of an allergic reaction include
hives, skin rash or itching
shortness of breath, wheezing, difficulty breathing or a tight feeling in your chest
swelling of the face, lips or tongue, which may cause difficulty in swallowing or breathing.
Do not take Viekira PAK if you take a medicine that contains;
alfuzosin hydrochloride
amiodarone, quinidine, dronedarone
astemizole, terfenadine
blonanserin, lurasidone
carbamazepine, phenytoin or phenobarbital
colchicine (a treatment for gout) if you have kidney or liver cirrhosis
ergotamine, dihydroergotamine, ergonovine or methylergonavine
ethinyloestradiol-containing medications such as combined oral contraceptives
fusidic acid
gemfibrozil, lovastatin or simvastatin
mitotane, enzalutamide
oral midazolam, triazolam
St John's Wort (Hypericum perforatum)
sildenafil (when used for pulmonary arterial hypertension)
Do not take it after the expiry date printed on the pack or if the packaging is damaged or shows signs of tampering.
If it has expired or is damaged return it to your pharmacist for disposal.
If you use this medicine after the expiry date has passed it may not work as well.

Use in Children

Do not give Viekira Pak to children and adolescents under 18 years of age.
The use of Viekira Pak in children and adolescents has not yet been studied.

Before you start to take it

Tell your doctor or pharmacist if you are taking contraceptives that include ethinyloestradiol either to prevent pregnancy or for other reasons.
Your doctor will ask you to stop or change to a different method of birth control (progestin-only or non-hormonal methods) during your treatment with Viekira Pak.
Viekira Pak may cause severe liver problems in some patients.
Let your healthcare provider know if you develop the following;
fatigue or weakness
loss of appetite,
yellowing of your skin or eyes,
or darkening of your urine
while on treatment with Viekira Pak.
Do not take Viekira Pak if you are breastfeeding or plan to breastfeed.
It is not known whether this medicine passes into the breast milk.
Your doctor will discuss the risks and benefits of using this medicine if you are breastfeeding.
If you have not told your doctor or pharmacist about any of the above, tell them before you use/take/are given Viekira Pak.
Tell your doctor or pharmacist if you have any allergies to any other medicines, foods, preservatives or dyes.

Taking other medicines

Tell your doctor or pharmacist if you are taking any other medicines, including any that you buy without a prescription from your pharmacy, supermarket or health food store.
Some medicines and Viekira Pak may interfere with each other.
Tell your doctor if you are taking:
alprazolam for anxiety, panic attacks and trouble sleeping
cyclosporine or tacrolimus , medicines used to suppress the immune system
colchicine, a medicine used to treat gout
warfarin, fluindione or dabigatran, medicines used to prevent blood clots
deferasirox to help reduce iron levels in the blood
amlodipine, bepridil, digoxin, disopyramide, lidocaine or propafenone,medicines used for heart problems
diazepam for anxiety, alcohol withdrawal or muscle spasm
erythromycin to treat infections
diltiazem, verapamil or nifedipine for angina
fexofenadine for hay fever
fluticasone used to treat asthma
furosemide, a medicine used to prevent fluid retention
hydrocodone to treat pain
imatinib for the treatment of some cancers
ketoconazole and voriconazole, medicines used for fungal infections
levothyroxine for thyroid problems
atazanavir, darunavir, lopinavir, ritonavir or rilpivirine, zidovudine, stavudine, didanosine, medicines used for HIV infection
omeprazole or esomeprazole, medicines used to treat stomach ulcers and other stomach problems
quetiapine for mental disorders or depression
repaglinide or metformin for diabetes
rosuvastatin and pravastatin, medicines used to lower blood cholesterol
s-mephenytoin for epilepsy
teriflunomide for multiple sclerosis
trazodone to treat depression
sulfasalazine to treat and manage inflammatory bowel disease or rheumatoid arthritis
valsartan, losartan or candesartan for high blood pressure
These medicines may be affected by Viekira Pak, or may affect how well it works. You may need to use different amounts of your medicine, or take different medicines.
Your doctor or pharmacist has more information on medicines to be careful with or to avoid while taking Viekira Pak.

How to take Viekira Pak

Follow all directions given to you by your doctor or pharmacist carefully.
They may differ from the information contained in this leaflet.
It is important you follow the instructions your doctor provides about how to take Viekira Pak and for how long.
Not taking the medicine as directed or stopping the medicine too early may cause you to not respond to the medicine and may affect your response to future treatments.
If you do not understand the instructions on the box/bottle, ask your doctor or pharmacist for help.

How much to take

Take Viekira Pak exactly as your doctor has prescribed.
Your doctor will tell you how many tablets to take and at what time of the day.
For paritaprevir/ritonavir/ombitasvir tablets which are pink-coloured with "AV1" on one side -
Take 2 in the morning.
For dasabuvir tablets which are beige-coloured with "AV2" on one side -
Take 1 in the morning and 1 in the evening.
Follow the instructions of your doctor and pharmacist. Also refer to the Tips card and the packaging for instructions on which tablets to take in the morning and which to take in the evening.
If you are not sure how much and when to take it, ask your doctor or pharmacist.

How to take it

Swallow the tablets whole with a glass of water.

When to take it

Take Viekira Pak during or immediately after a meal, at about the same time every day.
Taking it at the same time each day will have the best effect. It will also help you remember when to take it.

How long to take it

You will take Viekira Pak for 12 weeks.
Continue taking your medicine for as long as your doctor or pharmacist tells you.
If you become pregnant while taking Viekira Pak, you should immediately stop using it and tell your doctor.

If you forget to take it

It is important not to miss a dose of this medicine. If you do miss a dose of paritaprevir/ritonavir/ombitasvir tablets (pink tablets marked with "AV1") and it is:
More than 12 hours
until your next dose - take the missed dose with food as soon as possible.
Less than 12 hours
until your next dose - do not take the missed dose, take your next dose as usual with food. If you miss a dose of dasabuvir tablets (beige tablets marked with "AV2") and it is:
More than 6 hours until your next dose - take the missed dose with food as soon as possible.
Less than 6 hours
until your next dose - do not take the missed dose, take your next dose as usual with food.
If you are not sure what to do, ask your doctor or pharmacist.
If you have trouble remembering when to take your medicine, ask your pharmacist for advice.

If you take too much (overdose)

Immediately telephone your doctor, or the Poisons Information Centre (telephone Australia 13 11 26 or New Zealand 0800 764766 [0800 POISON]), or go to Accident and Emergency at your nearest hospital, if you think you or anyone else may have taken too much Viekira Pak.
Do this even if there are no signs of discomfort or poisoning.
You may need urgent medical attention.

While you are using Viekira Pak

Things you must do

If you are about to be started on any new medicine, remind your doctor and pharmacist that you are taking Viekira Pak.
Tell any other doctors, dentists and pharmacists who treat you that you are taking this medicine.
If you are going to have surgery, tell the surgeon that you are taking this medicine.
Tell your doctor or pharmacist immediately if you become pregnant while taking Viekira Pak.
Tell your doctor if, for any reason,
you have not used Viekira Pak exactly as prescribed.
Otherwise, your doctor may think that it was not effective and change your treatment unnecessarily.
Keep all of your doctor's appointments so that your progress can be checked.

Things you must not do

Do not use this medicine to treat any other complaints unless your doctor or pharmacist tells you to.
Do not give this medicine to anyone else, even if they have the same condition as you.
Do not stop taking Viekira Pak, or change the dosage, without checking with your doctor or pharmacist.
Do not stop using contraceptives whilst taking Viekira Pak (except for contraceptives that contain ethinyloestradiol). See 'Before you start to take it' section of this leaflet).
You must not take medicines that contain ethinyloestradiol while taking Viekira Pak).

Things to be careful of

Be careful driving or operating machinery until you know how Viekira Pak affects you.
The effect of Viekira Pak on your ability to drive or use machines is not known.

Side effects

Tell your doctor or pharmacist as soon as possible if you do not feel well while you are taking Viekira Pak.
All medicines have some unwanted side effects. Sometimes they are serious, but most of the time they are not. You may need medical attention if you get some of the side-effects.
Do not be alarmed by this list of possible side effects. You may not experience any of them.
Ask your doctor or pharmacist to answer any questions you may have.
Tell your doctor or pharmacist if you notice any of the following and they worry you:
Feeling very tired
Feeling sick
Trouble sleeping
Unusual weakness or lack of energy
Tiredness, headaches, being short of breath when exercising, dizziness and looking pale. These are symptoms of anaemia
The above list includes the more common side effects of your medicine. They are usually mild and short-lived.
Tell your doctor or pharmacist if you notice anything else that is making you feel unwell.

After using Viekira Pak


Keep your tablets in the pack/bottle until it is time to take them.
Keep the medicine in a cool, dry place where the temperature stays below 25°C.
Do not store it or any other medicine in the bathroom, near a sink, or on a windowsill. Do not leave it in the car.
Heat and dampness can destroy some medicines. Keep it where children cannot reach it.
A locked cupboard at least one-and-a-half metres above the ground is a good place to store medicines.


If your doctor or pharmacist tells you to stop taking this medicine, or the medicine has passed its expiry date, return any of this unused or date-expired medicine to your pharmacist for disposal.

Product description

What it looks like

Viekira Pak comes in two types of tablets:
Paritaprevir/ritonavir/ombitasvir tablets which are pink-coloured, oblong shaped with "AV1" debossed on one side
Dasabuvir tablets which are beige-coloured, oval-shaped with "AV2" debossed on one side


Viekira Pak comes in two types of tablets
Paritaprevir/ritonavir/ombitasvir tablets
Active Ingredient
paritaprevir,/ritonavir/ombitasvir 75/50/12.5mg
Inactive ingredients
propylene glycol monolaurate
sorbitan monolaurate
silicon dioxide
sodium stearylfumarate
polyvinyl alcohol
macrogol 3350
purified talc
titanium dioxide
iron oxide red
Dasabuvir tablets
Active Ingredient
dasabuvir 250mg
Inactive ingredients
microcrystalline cellulose
croscarmellose sodium
colloidal anhydrous silica
magnesium stearate
polyvinyl alcohol
titanium dioxide
polyethylene macrogol 3350
purified talc
titanium dioxide
iron oxide yellow, red and black
Viekira Pak does not contain gluten, sucrose, tartrazine or any other azo dyes.


Viekira Pak is supplied in Australia by:
AbbVie Pty Ltd
241 O'Riordan Street
NSW 2020
Viekira Pak is supplied in New Zealand by:
AbbVie Limited
6th Floor, 156-158 Victoria St
Wellington, 6011
New Zealand
This leaflet was prepared in August 2016.
Australian Registration Number(s)
AUST R 224612
Version No. 4