Ataris (Leflunomide)

Complete patient guide for uses, dosage, side effects, and safety information

Prescription Required

Quick Facts

Generic Name
leflunomide
Drug Class
immunosuppressive medicine
Used For
treating rheumatoid or psoriatic arthritis
How Taken
oral tablet, taken daily

What Is Ataris Used For?

Ataris is an immunosuppressive medication that helps manage rheumatoid and psoriatic arthritis by reducing immune system activity.

Primary Uses

Ataris is primarily used to treat rheumatoid arthritis and psoriatic arthritis.

How It Works

Ataris works by selectively inhibiting the activity of lymphocytes, which are white blood cells involved in the inflammatory response that causes joint damage.

Good to know: Ataris is not considered addictive.

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How to Take Ataris

Follow your doctor's instructions for taking Ataris to ensure effective treatment.

Dosage Instructions

The initial dosage is 100 mg per day for the first three days, followed by either 10 mg or 20 mg daily as prescribed by your doctor.

What If You Miss a Dose?

If you miss a dose, take it as soon as you remember unless it's almost time for your next dose. Do not double up on doses.

Important: Never take more than the prescribed dose without consulting your doctor.

Available Tablet Strengths

10mg
10mg Tablet White, Round
20mg
20mg Tablet Yellow, Round • scoreline on one side

Side Effects

Like all medications, this medicine can cause side effects. Most are mild and temporary, but some require medical attention.

Common Side Effects

These side effects occur relatively frequently and usually don’t require emergency care:

  • diarrhoea
  • nausea and vomiting
  • abdominal pain
  • weight loss
  • rashes
  • itchy skin
  • hair loss
  • unusual tiredness or weakness

Seek immediate medical attention if you experience:

  • fever
  • severe upper stomach pain
  • severe skin rash or sores in the mouth
  • pale skin, fatigue, or increased infections
  • cough or trouble breathing
  • blisters and bleeding in the lips, eyes, mouth, nose, and genitals
  • skin ulcer

Important Warnings

There are several important considerations before using Ataris.

Who Should Not Take Ataris

Do not use Ataris if you are allergic to leflunomide or teriflunomide, are pregnant or planning to become pregnant, are not using reliable birth control, or are breastfeeding.

Medical Conditions to Discuss

Discuss with your doctor if you have liver disease, kidney problems, chronic infections, or any condition that affects your immune system.

Pregnancy and Breastfeeding

Ataris may cause birth defects; therefore, effective contraception is necessary during treatment. It should not be taken if you are breastfeeding as it can pass into breast milk.

Drug Interactions

Certain medications may interact with Ataris and affect its effectiveness.

  • warfarin (blood thinner)
  • medications for diabetes
  • medications for epilepsy
  • medications for tuberculosis
  • medications for lowering cholesterol

Alcohol & Driving

Be cautious with alcohol consumption while taking Ataris, as it may enhance certain side effects.

Alcohol

Limit alcohol intake while on Ataris, as it may worsen side effects.

Driving and Operating Machinery

Be aware that Ataris may cause dizziness or fatigue, which can impair your ability to drive or operate machinery.

Storage

Store Ataris in a cool, dry place below 30°C, away from moisture and heat.

Overdose Information

If you suspect an overdose, seek immediate medical attention. Contact your doctor or go to the nearest hospital.

Frequently Asked Questions

Ataris may take several weeks to show improvement in symptoms.

You can take Ataris with or without food.

No, Ataris is not considered addictive.

Consult your doctor before stopping Ataris, as it may require a gradual reduction.

It is recommended to minimize alcohol intake while taking Ataris.

Weight loss has been reported as a side effect, but weight gain is not specifically mentioned.

Consult your doctor for advice specific to elderly patients, especially those with dementia.

If you miss a dose, take it as soon as you remember unless it's close to your next dose. Do not double up.

Important Disclaimer

This information is intended for general educational purposes only and should not be considered medical advice. Always consult your healthcare provider or pharmacist before starting, stopping, or changing any medication.

If you think you may have a medical emergency, call your doctor or emergency services immediately.

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