Liver

Jaundice: Symptoms, Warning Signs & When to See a Doctor in Singapore

Jaundice is the yellow discolouration of the skin and the whites of the eyes caused by elevated bilirubin levels in the bloodstream. It indicates a disruption in the body’s bile-processing pathway, typically involving the liver, bile ducts, or pancreas.

Jaundice itself is not a condition. It is a symptom, and one that often points to an underlying issue involving the liver, gallbladder, bile ducts, or pancreas. The yellow tint is the visible end of a wider problem.

This page covers common jaundice symptoms, the warning signs that warrant prompt medical attention, and what to expect when consulting a hepatobiliary specialist about jaundice in Singapore.

What are the Symptoms of Jaundice?

The most recognisable sign is a yellow discolouration of the skin and the whites of the eyes (known clinically as scleral icterus). Yellow eyes are often noticed first, since the sclera shows colour change earlier than the skin. Discolouration may be subtle at the start and become more pronounced as bilirubin levels rise.

Other symptoms that commonly accompany jaundice include:

Yellowing of the skin and the whites of the eyes, ranging from mild to pronounced
Fever and chills
Flu-like symptoms
Dark, tea-coloured urine
Pale or clay-coloured stools
Generalised itching (pruritus), which can be more pronounced when there is a bile duct obstruction
Fatigue, generalised weakness or confusion
Abdominal discomfort, particularly in the upper right abdomen
Weight loss

Bilirubin levels in the blood are measured to confirm and grade the severity of jaundice. Mild elevations may not produce visible yellowing, while higher levels typically correspond to more obvious changes in the skin and eyes.

The degree of visible discolouration broadly reflects how elevated bilirubin levels are, though individual variation occurs.

Can Jaundice Cause Yellow Teeth?

In adults, jaundice does not cause yellowing of the teeth. It affects the skin and the whites of the eyes, not tooth enamel.

In infants and young children, severe or prolonged jaundice (such as that caused by biliary atresia) can lead to green or yellow-green staining of the primary teeth, as bilirubin is incorporated into the developing tooth structure.

If a child has had severe neonatal jaundice and you notice unusual tooth discolouration, raise it with a paediatric specialist and a dentist.

When Should You See a Doctor for Jaundice?

Jaundice is always worth investigating, even when mild or intermittent. The yellow colour is the visible part of a process happening in the liver, bile ducts, or pancreas, and the cause needs to be identified.

Seek prompt medical attention if you experience any of the following:

Jaundice accompanied by fever, chills, or rigours
Severe abdominal pain alongside yellowing of the skin
Rapidly worsening jaundice over hours or days
Jaundice alongside unintentional weight loss or reduced appetite
Dark urine and pale stools persisting for more than a few days
Confusion, drowsiness, or noticeable changes in mental state

Painless jaundice deserves a particular note. Jaundice that develops without abdominal pain is sometimes associated with conditions affecting the bile ducts or pancreas, including bile duct strictures and pancreatic head tumours. The absence of pain can be misleading, and review should not be delayed.

Do not wait for jaundice to resolve on its own. Even when it appears mild, the underlying cause may require timely treatment.

How Will Your Doctor Evaluate Jaundice?

A consultation begins with a detailed history and physical examination. The aim is to narrow down whether the cause sits in the liver itself, in the bile ducts, or further downstream in the pancreas. Each location carries different implications for management.

Questions your doctor may ask include:

How long have you noticed the yellowing, and has it been worsening?
Have you experienced any abdominal pain, and where is it located?
Have you noticed changes in your urine or stool colour?
Do you have a history of liver disease, gallstones, or significant alcohol use?
Have you experienced any unintentional weight loss or changes in appetite?
Are you taking any medications, including herbal supplements?

Physical examination typically includes inspection of the skin and eyes, palpation of the abdomen for tenderness or organ enlargement, and assessment for signs of chronic liver disease.

What Investigations May Be Ordered for Jaundice?

Investigations focus on identifying the underlying cause. The starting point is usually a combination of blood tests and imaging.

Blood Tests: Liver function tests (LFTs), full blood count, bilirubin levels split into direct and indirect fractions, clotting profile, and tumour markers where clinically indicated.
Abdominal Ultrasound: Typically, the first-line imaging test to assess the liver, gallbladder, and bile ducts. It can identify gallstones, bile duct dilatation, and liver lesions.
CT Scan or MRI/MRCP: Used for a more detailed assessment of the bile ducts, pancreas, and surrounding structures. MRCP (magnetic resonance cholangiopancreatography) provides a non-invasive view of the biliary tree.
ERCP (Endoscopic Retrograde Cholangiopancreatography): An endoscopic procedure used to evaluate and, in appropriate cases, treat bile duct obstruction. ERCP can remove bile duct stones, dilate strictures, or place stents.

The choice and sequence of investigations depend on the clinical picture. A patient with painless jaundice and weight loss will often be investigated differently from a patient presenting with right upper quadrant pain and fever.

Is Jaundice Dangerous?

Whether jaundice is dangerous depends on the cause. The yellowing itself is not harmful in moderate amounts, but the conditions producing it range from manageable to serious.

Causes that often respond well to jaundice treatment in Singapore include:

Causes that require timely intervention include:

The presence of fever, severe abdominal pain, confusion, or rapidly worsening jaundice raises clinical urgency. These features point towards conditions such as cholangitis or acute liver failure, both of which require hospital assessment without delay.

How Long Does Jaundice Last?

How long jaundice symptoms last depends on what is causing them and how quickly the underlying problem is addressed.

Obstructive Causes (e.g. gallstones in the bile duct): Jaundice typically resolves within a few weeks once the obstruction is cleared, commonly through ERCP or surgery.
Viral Hepatitis: Jaundice may persist for several weeks while the liver recovers.
Chronic Liver Disease: Jaundice may be persistent or recurrent. The goal of treatment shifts to managing the underlying liver condition rather than the yellowing itself.
Gilbert's Syndrome: Mild, fluctuating jaundice can come and go throughout life, often triggered by fasting, illness, or stress. It does not require treatment.

In all cases, a clear answer requires diagnosis. There is no general timeline that applies across causes.

Consult Dr. Thng Yongxian, HPB Surgeon in Singapore

Dr. Thng Yongxian is a fellowship-trained Hepatopancreatobiliary (HPB) and General Surgeon based in Singapore. He manages a range of conditions that present with jaundice, including gallstone disease, bile duct conditions, liver disease, and pancreatic disorders.

If you are experiencing yellowing of the skin or eyes, dark urine, pale stools, or other warning signs noted on this page, contact Dr. Thng’s clinic to arrange a consultation. Early assessment allows the underlying cause to be identified and addressed before complications develop.

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