Skip to main content


Generic name: avacopan
Dosage form: capsules, for oral use
Drug class: Selective immunosuppressants

Medically reviewed by Judith Stewart, BPharm. Last updated on Oct 11, 2021.

What is Tavneos?

  • Tavneos is a prescription medicine that is used with other medicines (such as glucocorticoids) to treat adults with severe active anti-neutrophil cytoplasmic autoantibody (ANCA)- associated vasculitis (granulomatosis with polyangiitis [GPA], formerly known as Wegener’s granulomatosis, and microscopic polyangiitis [MPA]).

It is not known if this medicine is safe and effective in children under the age of 18.

Important information

Tavneos may cause serious side effects, including:

  • Liver problems. People taking Tavneos may have serious liver problems. Call your healthcare provider right away if you have unexplained symptoms such as:
    • yellowing of your skin or the white part of your eyes (jaundice)
    • pain on the upper right side of your stomach area (abdomen)
    • feeling tired
    • dark or brown (tea colored) urine
    • bleeding or bruising more easily than normal
    • loss of appetite

Your healthcare provider will do blood tests to check how well your liver is working before starting and during your treatment.

Who should not take Tavneos?

You should not take Tavneos:

  • if you are allergic to avacopan or any of the other ingredients. See the end of this Medication Guide for a complete list of the ingredients.
    • Get medical help right away if you experience swollen lips, tongue, throat, trouble swallowing, or difficulty breathing. These could be signs of an allergic reaction. Do not take more of Tavneos until you have consulted with your healthcare provider.

Before taking Tavneos

Before you start treatment, tell your healthcare provider about all your medical conditions including if you:

  • have or have had abnormal liver blood tests.
  • have or have had liver problems.
  • have or think you may have hepatitis B or hepatitis C.
  • have an infection.
  • are pregnant or are planning to become pregnant. It is not known if Tavneos will harm your unborn baby. Talk to your healthcare provider if you are pregnant or plan to become pregnant.
  • are breastfeeding or plan to breastfeed. It is not known if Tavneos can pass into your breast milk. Talk to your healthcare provider about the best way to feed your baby if you take Tavneos.

What other drugs will affect Tavneos?

Tell your healthcare provider about all the other medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. Tavneos and certain other medicines may affect each other and cause side effects. Keep a list of the medicines you take and show it to your healthcare provider and pharmacist.

  • Some medicines should not be taken with Tavneos.
  • Your healthcare provider may prescribe other medicines to treat your disease.

How should I take Tavneos?

  • Take Tavneos exactly as your healthcare provider tells you to take it. Do not stop treatment unless your healthcare provider tells you to.
  • Check with your healthcare provider or pharmacist if you are not sure.
  • Take 3 capsules of Tavneos 2 times daily (morning and evening) with food.
  • Your healthcare provider may tell you to take 3 capsules of Tavneos 1 time each day if you take certain medicines. Tell your healthcare provider about all the medicines you take.
  • Swallow the capsules whole with water. Do not crush, chew or open the capsules.
  • If you miss a dose, do not take the missed dose. Just take the next dose at your regular time.
  • If you have taken too much or overdose, call your doctor or a Poison Control Center, or go to the nearest hospital emergency room.

Dosing information

Usual Adult Dose for ANCA-Associated Vasculitis

- 30 mg (three 10 mg capsules) twice daily, with food.

Use: adjunctive treatment of adult patients with severe active anti-neutrophil cytoplasmic autoantibody (ANCA)-associated vasculitis (granulomatosis with polyangiitis [GPA] and microscopic polyangiitis [MPA]) in combination with standard therapy including glucocorticoids. Tavneos does not eliminate glucocorticoid use.

Tavneos side effects

Tavneos may cause serious side effects, including:

  • See Important information.
  • Serious allergic reactions. Tavneos may cause serious allergic reactions. Stop taking Tavneos and get emergency medical help right away if you have any of the following signs of a serious allergic reaction:
    • shortness of breath or trouble breathing
    • swollen lips, tongue, throat, or face
    • trouble swallowing
    • chest pain
    • feeling dizzy or faint
    • moderate or severe abdominal pain or vomiting
  • Hepatitis B virus (HBV) reactivation. Before you take Tavneos, your healthcare provider will do blood tests to check for hepatitis B (HBV) infection. If you have had hepatitis B or are a carrier of hepatitis B virus, taking Tavneos could cause the virus to become an active infection again. Your healthcare provider may decide to stop Tavneos and any other medicines if you have active hepatitis B liver disease. Your healthcare provider will tell you if and when you can start taking Tavneos again. Your healthcare provider will monitor you for hepatitis B infection during and for six months after you stop taking Tavneos. Tell your healthcare provider right away if you get worsening tiredness or yellowing of your skin or white part of your eyes during treatment.
  • Serious infections. Serious infections can happen in people taking Tavneos, and these infections can lead to death. The most common serious infections with Tavneos were pneumonia and urinary tract infections. People with serious infections should not take Tavneos. Tell your healthcare provider right away if you have any symptoms of infection:
    • fever
    • cold symptoms, such as runny nose or sore throat that do not go away
    • flu symptoms, such as cough, tiredness, and body aches
    • earache or headache
    • pain during urination
    • cold sores in mouth or throat
    • cuts, scrapes, or incisions that are red, warm, swollen, or painful

The most common side effects include:

  • nausea
  • diarrhea
  • tiredness
  • increase in blood creatinine
  • headache
  • vomiting
  • stomach pain
  • burning or prickling sensation
  • high blood pressure
  • rash
  • dizziness

These are not all the possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

How should I store Tavneos?

Store Tavneos capsules at room temperature between 68°F to 77°F (20°C to 25°C).

Keep all medicines out of reach of children and pets.

General information about the safe and effective use of Tavneos.

Medicines are sometimes prescribed for purposes other than those listed in a Medication Guide. Do not use this medicine for a condition for which it was not prescribed. Do not give it to other people, even if they have the same symptoms you have. It may harm them. You can ask your pharmacist or healthcare provider for information that is written for healthcare professionals.

What are the ingredients in Tavneos?

Active ingredient: avacopan
Inactive ingredients: Polyethylene glycol 4000 (PEG-4000), Polyoxyl-40 hydrogenated castor oil.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.