What is Arranon? Uses, warnings & side effects

Updated May 14, 2025  •  Published Feb 15, 2024

Arranon is a antimetabolite drug used to treat patients with leukemia. There is not an Arranon generic drug currently available on the market. You can use our SingleCare Arranon savings card to save significantly on the retail price at participating pharmacies near you.

Arranon overview

BRAND NAMES:

  • Arranon

Generic Names:

  • Nelarabine

Uses:

  • Treats certain kinds of leukemias and lymphomas.

Therapeutic Classes:

  • Antineoplastic Agent

Forms:

  • Injectable

How it’s taken:

  • By injection

What is Arranon used for?

Arranon is a cancer medication that treats T-cell acute lymphoblastic leukemia and T-cell lymphoblastic lymphoma. It works to hinder the growth and spread of the cancer cell in the body.

What form(s) does Arranon come in?

  • Injectable

What are common Arranon dosages?

  • Vial 50ml of 5mg/ml

Arranon images - What does Arranon look like?

  • Arranon
    50ml of 5mg/ml vial

How to take Arranon

  • Injection routeYour doctor will prescribe your dose and schedule. This medicine is given through a needle placed in a vein.

  • Injection routeMedicines used to treat cancer are very strong and can have many side effects. Before receiving this medicine, make sure you understand all the risks and benefits. It is important for you to work closely with your doctor during your treatment.

  • Injection routeYou will receive this medicine while you are in a hospital or cancer treatment center. A nurse or other trained health professional will give you this medicine.

What to do if you miss a dose of Arranon

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • Injection routeAsk your pharmacist, doctor, or health caregiver about the best way to dispose of any leftover medicine, containers, and other supplies. You will also need to throw away old medicine after the expiration date has passed.

  • Injection routeThis medicine needs to be given on a fixed schedule. If you miss a dose, call your doctor, home health caregiver, or treatment clinic for instructions.

Arranon contraindications - Who shouldn't take Arranon?

  • You should not use this medicine if you have had an allergic reaction to nelarabine or if you are pregnant.

Arranon warnings

  • Make sure your doctor knows if you are pregnant or breast-feeding, or if you have nervous system problems, or kidney problems.

  • It is not safe to take this medicine during pregnancy. It could harm an unborn baby. Tell your doctor right away if you become pregnant.

  • This medicine may make you drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.

  • This medicine may make you bleed, bruise, or get infections more easily. Take precautions to prevent illness and injury. Wash your hands often.

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

  • Injection routeCancer medicine can cause nausea or vomiting, sometimes even after you receive medicine to prevent these effects. Ask your doctor or nurse about other ways to control any nausea or vomiting that might happen.

  • Weakness and paralysis.

Arranon interactions & what to avoid when taking Arranon

  • Injection routeCancer medicine can cause nausea or vomiting, sometimes even after you receive medicine to prevent these effects. Ask your doctor or nurse about other ways to control any nausea or vomiting that might happen.

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

  • This medicine may make you drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.

  • This medicine may make you bleed, bruise, or get infections more easily. Take precautions to prevent illness and injury. Wash your hands often.

  • This medicine may interfere with vaccines. Ask your doctor before you get a flu shot or any other vaccines.

  • Tell your doctor if you have ever been treated with cancer drugs in the past.

Arranon side effects - How does Arranon make you feel?

Serious Side Effects

  • Swelling in your hands, ankles, or feet.

  • Unusual bleeding or bruising.

  • Tiredness and trouble breathing.

  • Weakness and paralysis.

  • Seizures.

  • Problems with balance or walking.

  • Problems with fine motor skills such as buttoning clothes.

  • Numbness and tingling in the hands, fingers, feet, or toes.

  • Extreme sleepiness.

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

Less Serious Side Effects

  • Diarrhea, or constipation.

  • Swelling in your hands, ankles, or feet.

  • Headache, sleepiness, and blurry eyesight.

  • Sores or white patches on your lips, mouth, or throat.

  • Fever, chills, cough, and sore throat.

  • Body aches, muscle cramps or joint pains.

  • Dry mouth and increased thirst.

  • Unusual bleeding or bruising.

  • Lightheadedness or fainting.

  • Tiredness and trouble breathing.

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