Tell your healthcare provider about all the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal supplements.

INCIVEK and other medicines can affect each other. This can cause you to have too much or not enough INCIVEK or your other medicines in your body, and cause side effects that can be serious or life-threatening. Your healthcare provider may need to change the amount of medicine you take.

Do not take INCIVEK if you take:

• alfuzosin hydrochloride (Uroxatral®)
• atorvastatin (Lipitor®, Caduet®)
• ergot containing medicines such as methylergonovine (Methergine®)
• lovastatin (Advicor®, Altoprev®, Mevacor®)
• pimozide (Orap®)
• rifampin (Rifadin®, Rifamate®, Rifater®)
• sildenafil citrate (Revatio®) or tadalafil (Adcirca®) for the lung problem, pulmonary artery hypertension (PAH)
• simvastatin (Zocor®, Vytorin®, Simcor®)
• St. John's wort (Hypericum perforatum) or products containing St. John's wort
• triazolam (Halcion®)

Know the medicines you take. Keep a list of them with you and show it to your healthcare provider and pharmacist each time you get a new medicine.

How should I take INCIVEK?

• Take INCIVEK exactly as your healthcare provider tells you. Your healthcare provider will tell you how much INCIVEK to take and when to take it.
• Take INCIVEK 3 times a day. Each dose should be taken 7 to 9 hours apart. Eat a meal or snack that contains about 20 grams of fat, within 30 minutes before you take each dose of INCIVEK. Talk to your healthcare provider about examples of foods that you can eat that contain about 20 grams of fat. Always take INCIVEK with food.
• If you miss a dose within 4 hours of when you usually take it, take your dose with food as soon as possible.
• If you miss a dose and it is more than 4 hours after the time you usually take it, skip that dose only and take the next dose at your normal dosing schedule.
• Do not stop taking INCIVEK unless your healthcare provider tells you to. If you think there is a reason to stop taking INCIVEK, talk to your healthcare provider before doing so.
• If your healthcare provider tells you to stop taking INCIVEK, you should not start taking it again even if the reason for stopping goes away.
• If you take too much INCIVEK or overdose, call your healthcare provider or local Poison Control Center, or go to the nearest hospital emergency room right away.

What are the possible side effects of INCIVEK?

INCIVEK may cause serious side effects including:

• See "What is the most important information I should know about INCIVEK?"
• Low red blood cell count (anemia), which can be severe. Tell your healthcare provider if you have any of these symptoms of anemia:
  • dizziness
  • shortness of breath
  • tiredness
  • weakness

Your healthcare provider will do blood tests regularly to check your