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How do I take azathioprine and how long does it take to work?

Azathioprine is usually given as tablets, taken once or twice daily. It's usually taken with or after food. Your doctor will advise you about the correct dose, which will depend on your body weight. Usually you'll start on a low dose (e.g. 50 mg per day) and your doctor may increase this if necessary, usually to between 100 mg and 200 mg.

It's a long-term treatment, so it may be 6–12 weeks before you start to notice the benefits.

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