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Idhifa Side Effects

Generic Name: enasidenib

Note: This document contains side effect information about enasidenib. Some of the dosage forms listed on this page may not apply to the brand name Idhifa.

For the Consumer

Applies to enasidenib: oral tablet

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Signs of electrolyte problems like mood changes, confusion, muscle pain or weakness, a heartbeat that does not feel normal, seizures, not hungry, or very bad upset stomach or throwing up.
  • Yellow skin or eyes.
  • Low white blood cell counts have happened with this drug. This may lead to a higher chance of getting an infection. Call your doctor right away if you have signs of infection like fever, chills, or sore throat.
  • Patients with cancer who take this drug may be at a greater risk of getting a bad health problem called tumor lysis syndrome (TLS). Sometimes, this has been deadly. Call your doctor right away if you have a fast heartbeat or a heartbeat that does not feel normal; any passing out; trouble passing urine; muscle weakness or cramps; upset stomach, throwing up, loose stools, or not able to eat; or feel sluggish.

What are some other side effects of this drug?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

  • Upset stomach or throwing up.
  • Loose stools (diarrhea).
  • Not hungry.
  • Change in taste.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at

For Healthcare Professionals

Applies to enasidenib: oral tablet


The most common (30% or more) adverse reactions of any grade were elevated bilirubin, decreased calcium and potassium levels, nausea, diarrhea, vomiting, and decreased appetite.[Ref]


Very common (10% or more): Increased total bilirubin (81%)[Ref]


Very common (10% or more): Decreased calcium (74%), decreased potassium (41%), decreased appetite (34%), decreased phosphorus (27%)
Common (1% to 10%): Tumor lysis syndrome, decreased weight[Ref]


Very common (10% or more): Nausea (50%), diarrhea (43%), vomiting (34%)
Common (1% to 10%): Abdominal pain[Ref]


Very common (10% or more): Differentiation syndrome (14%), noninfectious leukocytosis (12%)[Ref]

Nervous system

Very common (10% or more): Dysgeusia (12%)[Ref]


Common (1% to 10%): Rash[Ref]


Common (1% to 10%): Increased uric acid[Ref]


Common (1% to 10%): Pyrexia, peripheral edema[Ref]


Common (1% to 10%): Renal insufficiency[Ref]


Common (1% to 10%): Respiratory failure, dyspnea, hypoxia, pulmonary edema, acute respiratory distress syndrome[Ref]


1. "Product Information. Idhifa (enasidenib)." Celgene Corporation, Summit, NJ.

Some side effects of Idhifa may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.