Our Services
Medical Information
Helpful Resources
Published on: 9/13/2026
Early signs that your liver may not be working properly often appear subtly and include persistent fatigue, loss of appetite, nausea, unexplained itching, dull pain or fullness under the right ribs, dark urine, pale or clay-colored stools, easy bruising, and swelling in the legs or abdomen, with yellowing of the skin and eyes (jaundice) typically developing later. Because these symptoms overlap with many other conditions, timing, severity, and risk factors such as alcohol use, medications, viral hepatitis exposure, obesity, and diabetes all matter when interpreting them, and several important distinctions are explained below. Some warning signs, including confusion, vomiting blood, black tarry stools, or rapid abdominal swelling, signal a medical emergency and should never be watched at home. There are several factors to consider before assuming your symptoms are harmless, so review the complete answer below rather than the summary alone.
If you are noticing any of these changes, the fastest way to understand what may be happening is to complete a free, instant, online symptom check, which uses your specific symptoms, history, and risk factors to suggest possible causes and clarify whether you should monitor at home, book a doctor visit, or seek urgent care, because early liver damage is often reversible when it is caught in time.
Last reviewed for medical accuracy: 09/13/2026
Your liver sits in the upper right part of your abdomen, just below the rib cage. It spans from the right side across to the left, tucked under your diaphragm. This reddish-brown organ is about the size of a football and performs over 500 vital tasks every day—from filtering toxins and producing bile for digestion to helping regulate blood sugar and clotting factors.
Understanding where your liver is and what it does helps you recognize when something may be off. Because symptoms can be subtle at first, knowing the early warning signs is key to catching problems before they become serious.
The liver:
When your liver isn’t working properly, these functions begin to falter. You might not notice mild dysfunction right away, but over weeks or months, early signs can emerge. Paying attention now can protect you from more severe disease down the road.
Here are common red flags indicating your liver may not be functioning optimally. These signs often appear gradually, so note any patterns or persistent changes.
Jaundice (Yellowing of Skin and Eyes)
Bile pigments build up in your bloodstream, giving skin and the whites of your eyes a yellow tint.
Dark Urine
Excess bilirubin may darken your urine to brownish or tea-colored.
Pale or Clay-Colored Stools
Lack of bile reaching the intestines can make stool light or chalky.
Chronic Fatigue and Weakness
Reduced energy production and toxin buildup leave you feeling unusually tired.
Abdominal Discomfort or Swelling
Fluid accumulation (ascites) or liver enlargement can cause pain or a feeling of fullness in the right upper belly area.
Nausea, Vomiting, or Loss of Appetite
Digestive upset and disinterest in food may occur if bile production or blood sugar regulation is disrupted.
Easy Bruising and Bleeding
A struggling liver makes fewer clotting proteins, so you may bruise or bleed more easily.
Persistent Itching (Pruritus)
Bile salts deposited in the skin can trigger intense, ongoing itchiness.
Swelling in Legs and Ankles
Fluid retention (edema) can develop when protein production falls off.
Cognitive Changes (“Brain Fog”)
Toxin buildup can affect brain function, leading to confusion, difficulty concentrating, or mood swings.
When the liver can’t process toxins, produce bile, or make key proteins, waste products and fluids back up into the bloodstream and tissues. For example:
While liver disease can affect anyone, certain factors increase your likelihood of early or silent damage:
If you recognize any of the warning signs above, take proactive steps:
Monitor your symptoms and note how long they’ve been present.
Adopt liver-friendly habits:
Consider a free, online symptom check, using the doctor approved Ubie Symptom Checker to better understand possible causes and next steps.
Some signs warrant urgent evaluation, as they may indicate severe or life-threatening conditions:
If you experience any of these, call your doctor or go to the nearest emergency department without delay.
Your liver works quietly behind the scenes, so early warning signs can be easy to overlook. Noticing changes in skin color, digestion, energy levels, or mental clarity—and acting on them—gives you the best chance to address problems before they worsen. Use tools like the Ubie Symptom Checker to guide you, adopt healthier habits, and always speak to a doctor about anything that could be serious or life threatening. Your liver’s health is central to your overall well-being—pay attention, get help early, and protect this vital organ.
(References)
* Bissell DM, Anderson KE, Bonkovsky HL. Porphyria. N Engl J Med. 2017 Aug 31;377(9):862-872. doi: 10.1056/NEJMra1608634. PMID: 28854095.
* Wemel AC, Mayet A, Bellier S, Bigaillon C, Rapp C, Ficko C. Severe infectious mononucleosis in immunocompetent adults. Med Mal Infect. 2017 Dec;47(8):540-545. doi: 10.1016/j.medmal.2017.09.009. Epub 2017 Oct 4. PMID: 28987291.
* Papadatos D, Fowler KJ, Kielar AZ, Cui J, Sirlin CB. Cirrhosis and LI-RADS. Abdom Radiol (NY). 2018 Jan;43(1):26-40. doi: 10.1007/s00261-017-1425-8. PMID: 29218367.
* Cochen De Cock V, Woimant F, Poujois A. Sleep Disorders in Wilson's Disease. Curr Neurol Neurosci Rep. 2019 Nov 13;19(11):84. doi: 10.1007/s11910-019-1001-4. Epub 2019 Nov 13. PMID: 31720864.
* Puy Guillén A, Andreu Serra H. Infectious mononucleosis with atypical presentation. Gastroenterol Hepatol. 2022 Feb;45(2):134-135. doi: 10.1016/j.gastrohep.2020.08.013. Epub 2020 Oct 21. PMID: 33183890.
* Nagy G, Roodenrijs NMT, Welsing PMJ, Kedves M, Hamar A, van der Goes MC, Kent A, Bakkers M, Pchelnikova P, Blaas E, Senolt L, Szekanecz Z, Choy EH, Dougados M, Jacobs JW, Geenen R, Bijlsma JW, Zink A, Aletaha D, Schoneveld L, van Riel P, Dumas S, Prior Y, Nikiphorou E, Ferraccioli G, Schett G, Hyrich KL, Mueller-Ladner U, Buch MH, McInnes IB, van der Heijde D, van Laar JM. EULAR points to consider for the management of difficult-to-treat rheumatoid arthritis. Ann Rheum Dis. 2022 Jan;81(1):20-33. doi: 10.1136/annrheumdis-2021-220973. Epub 2021 Aug 18. PMID: 34407926; PMCID: PMC8761998.
* Ginès P, Castera L, Lammert F, Graupera I, Serra-Burriel M, Allen AM, Wong VW, Hartmann P, Thiele M, Caballeria L, de Knegt RJ, Grgurevic I, Augustin S, Tsochatzis EA, Schattenberg JM, Guha IN, Martini A, Morillas RM, Garcia-Retortillo M, de Koning HJ, Fabrellas N, Pich J, Ma AT, Diaz MA, Roulot D, Newsome PN, Manns M, Kamath PS, Krag A, LiverScreen Consortium Investigators. Population screening for liver fibrosis: Toward early diagnosis and intervention for chronic liver diseases. Hepatology. 2022 Jan;75(1):219-228. doi: 10.1002/hep.32163. Epub 2021 Dec 10. PMID: 34537988.
* Björnsson ES. Clinical management of patients with drug-induced liver injury (DILI). United European Gastroenterol J. 2021 Sep;9(7):781-786. doi: 10.1002/ueg2.12113. Epub 2021 Jun 28. PMID: 35084797; PMCID: PMC8435256.
* Zhou K, Huang X, Chen M, Li Z, Qin J, Ji Y, Yu X, Yan F. Pre-hospital symptom clusters and symptom network analysis in decompensated cirrhotic patients: A cross-sectional study. J Adv Nurs. 2024 Jul;80(7):2785-2800. doi: 10.1111/jan.16044. Epub 2024 Jan 10. PMID: 38197541.
* Cicerone O, Maestri M. Machine learning to predict metabolic-associated fatty liver disease. World J Gastroenterol. 2025 Dec 7;31(45):114413. doi: 10.3748/wjg.v31.i45.114413. PMID: 41378333; PMCID: PMC12686992.
We would love to help them too.
For First Time Users
We provide a database of explanations from real doctors on a range of medical topics. Get started by exploring our library of questions and topics you want to learn more about.
Was this page helpful?
Purpose and positioning of servicesUbie Doctor's Note is a service for informational purposes. The provision of information by physicians, medical professionals, etc. is not a medical treatment. If medical treatment is required, please consult your doctor or medical institution. We strive to provide reliable and accurate information, but we do not guarantee the completeness of the content. If you find any errors in the information, please contact us.