Skip to main content
Elzonris

Elzonris Side Effects

Julia Lee, PharmD, BCOPDaisy Chau, PharmD
Reviewed by Julia Lee, PharmD, BCOP, Daisy Chau, PharmD
Last reviewed on December 6, 2025

The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.

Common Side Effects

Less Common Side Effects

  • Headache
  • Chills
  • Higher or lower blood pressure
  • Constipation
  • Diarrhea
  • Vomiting
  • Reduced appetite
  • Dizziness
  • Cough
  • Shortness of breath
  • Back pain

Elzonris serious side effects

Contact your healthcare provider immediately if you experience any of the following.

  • Capillary leak syndrome: fast weight gain, swelling, trouble breathing, dizziness, headache, tiredness
  • Serious allergic reactions: rash, flushing, wheezing, swelling of the face
  • Liver damage: tiredness, loss of appetite, yellowing of the skin or eyes, or pain in the upper right side of your stomach
When do Elzonris possible side effects begin and end?
Time passed since treatment started:
H
D
W
M
Capillary leak syndrome
Seek immediate medical care if you experience this side effect.

Source: DailyMed

The following Elzonris side effects have also been reported

Side effects that you should report to your care team as soon as possible:

  • Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
  • Capillary leak syndrome—stomach or muscle pain, unusual weakness or fatigue, feeling faint or lightheaded, decrease in the amount of urine, swelling of the ankles, hands, or feet, trouble breathing
  • Liver injury—right upper belly pain, loss of appetite, nausea, light-colored stool, dark yellow or brown urine, yellowing skin or eyes, unusual weakness or fatigue

Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):

GoodRx icon

Other Elzonris articles

Was this page helpful?