Medical Oncologist
Liver Warning Signs
Yellow Eyes or Dark Urine During Immunotherapy — Call Your Team Today
If you notice yellowing of the eyes or unusually dark urine while on immunotherapy, call your oncology team the same day — even without pain, this can be the first sign your liver needs attention.
- Painless but urgent — liver inflammation often starts without pain
- Same-day call — don't wait for your next scheduled visit
- Blood tests explain why — pre-cycle checks catch this early
- Usually treatable — steroids often calm the reaction
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Yellow eyes or dark urine during immunotherapy can mean the drug has inflamed your liver, a reaction that often causes no pain at first. Call your oncology team the same day you notice either sign, rather than waiting for your next appointment. This reaction is usually treatable once caught early.
Get medical help the same day if
- Your eyes, or the skin around them, look yellow — even a faint tinge in daylight counts.
- Your urine looks noticeably darker than usual, like tea or cola, even though you're drinking normally.
- Your stools look pale, clay-coloured, or unusually light.
- You feel unusually tired, lose your appetite, or notice a dull ache under your right ribs, even without any colour change yet.
- A spouse or family member notices your eyes look yellow, even if you feel completely well.
- Any of these appear on a day with no scheduled appointment — call rather than wait for the next one.
What should you do right now if you notice these signs?
- Call your oncology team firstUse the urgent-symptoms number they gave you, not a routine appointment line.
- Don't stop or add medicines yourselfLet your care team decide, including whether to hold your next immunotherapy dose.
- Note when you first noticed itTell them if the change was gradual or sudden, and who noticed it first.
- Mention any other new symptomsTiredness, appetite loss, itching, or discomfort under your right ribs all matter to the picture.
- Take a daylight photo if you canA clear photo of your eyes helps your team judge the change over a phone call.
Which signs need a same-day call, and which can wait?
| Sign | When to act |
|---|---|
| Faint yellow tinge in the eyes | Call the same day, even if it's barely visible |
| Urine darker than your normal colour | Call the same day, especially if you're drinking enough water |
| Pale or clay-coloured stools | Call the same day |
| New tiredness or appetite loss alone, no colour change | Mention at your next contact, or sooner if it worsens |
| Mild itching without yellowing | Mention at your next visit unless it's severe or spreading |
| Known liver disease or hepatitis history | Tell your team before starting treatment, and report any change at once |
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Dr. C. Raghavendra Reddy
MBBS(Gold Medal), DNB(General Medicine), DM(Medical Oncology)(Gold Medal)
Medical Oncologist
Dr. Bharati Devi Gorantla
MBBS, MD(General Medicine), DM(Medical Oncology)(Adyar,Chennai), ECMO, MRCP SCE(UK)
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MBBS, MD (General Medicine), DrNB (Medical Oncology), ECMO, MRCP SCE (Medical Oncology) (UK)
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Common questions
Yellow Eyes or Dark Urine on Immunotherapy: Call Today — your questions answered
How urgent is it if I notice yellow eyes or dark urine during immunotherapy, even without pain?
Treat it as urgent and call your oncology team the same day, even if you feel completely well otherwise. Immune-related liver inflammation is often painless in its early stages, so the absence of pain does not mean the reaction is mild or can wait. Many new symptoms during immunotherapy can reasonably wait for your next scheduled contact, but yellowing of the eyes, dark urine, or pale stools are different — they usually mean the liver is already under strain. Calling promptly allows a same-day blood test, which can catch the reaction early and often keeps it from becoming severe.
Why does immunotherapy sometimes inflame the liver without any warning signs beforehand?
Immunotherapy works by releasing brakes on your immune system so it can attack cancer cells, but the same activated immune cells can sometimes attack healthy liver tissue too, a reaction doctors call immune-related hepatitis. The liver does not signal pain the way skin or joints do, so this inflammation can build for a while before you notice yellow eyes, dark urine, or feel unwell. Because symptoms often appear late, your team checks liver blood tests before each cycle. These tests can pick up rising liver values while you still feel completely normal, which is exactly when it is easiest to treat.
Can immune-related liver inflammation be treated, and does it mean stopping immunotherapy for good?
Yes, this reaction usually responds well to steroids, which calm the overactive immune response and help liver blood tests return toward normal. A single episode does not automatically mean immunotherapy is stopped forever. Depending on how severe the inflammation was and how quickly it settles, your oncology team may pause treatment, adjust the steroid dose, and later restart immunotherapy once your liver tests recover and they judge it safe. For more severe or repeated episodes, they may recommend a different approach instead. This decision is individual, so ask your own team what it would mean specifically for your case.
My spouse or family member says my eyes look yellow, but I feel fine — should we still call?
Yes, call the same day. Family members often notice yellowing before the patient does, especially in natural daylight, because it can be subtle and easy to dismiss when you feel otherwise well. Immune-related liver inflammation frequently causes no pain and little obvious illness in its early stages, so feeling fine is not a reason to wait. Trust what your spouse or family member has observed and report it as you would any other urgent symptom. If possible, take a photo in daylight to show your care team, and describe it clearly when you call rather than waiting to see if it changes on its own.