Hepatitis A Symptoms and How Long They Last

Hepatitis A symptoms include fatigue, nausea, abdominal pain, jaundice (yellowing of the skin or eyes), dark urine, and clay-colored stools. If they appear at all, they usually show up two to seven weeks after exposure and last from a few weeks to a couple of months. Hepatitis A clears on its own and never becomes chronic CDC.

The symptoms of hepatitis A, explained

Hepatitis A is a viral infection of the liver, and the symptoms come from the immune system attacking infected liver cells and from the liver temporarily struggling to do its normal jobs. Here's the catch that trips people up: not everyone gets symptoms at all. Adults are far more likely to feel sick than children, and young kids often carry and spread the virus with no signs whatsoever, which is part of why outbreaks move quietly.

When symptoms do occur, they tend to arrive together over a few days. Here's what each one actually is and why it happens:

• Fatigue: a deep, run-down tiredness that doesn't lift with sleep. It's one of the earliest and most stubborn symptoms, and for many people it's the last one to fade.
• Nausea and loss of appetite: the inflamed liver disrupts digestion and bile flow, so food can feel unappealing and the stomach feels uneasy. Some people vomit; many just stop wanting to eat.
• Abdominal pain: usually a dull ache or fullness in the upper right side of the belly, where the liver sits. As the organ swells with inflammation, it pushes against its capsule, which is where that discomfort comes from.
• Jaundice, a yellow tint to the whites of the eyes and the skin. It happens because the inflamed liver can't clear bilirubin (a yellow pigment from broken-down red blood cells), so it builds up in the blood and stains tissue.
• Dark urine, urine the color of cola or strong tea. The kidneys filter out the excess bilirubin the liver can't process, which darkens the urine, often before the skin visibly yellows.
• Clay-colored or pale stools, the flip side of dark urine. Bilirubin normally gives stool its brown color through bile; when bile can't flow normally, stool turns pale or grayish.

Where they show up and the less obvious signs

The eyes are often where jaundice appears first: check the whites in good light, where a faint yellow is easier to catch than on the skin. Dark urine and pale stools are two of the more reliable early tells precisely because they reflect what the liver is doing before the skin changes color, so people sometimes notice their urine darkening before they feel obviously ill.

Other low-key signs include a low-grade feeling of being unwell, mild fever, joint aches, and itchy skin (another effect of bile products building up). Many people describe the early phase as feeling like a flu or a bad stomach bug that just won't quit. Because the symptoms can be vague at first, it's common to push through them for a week or two before connecting the dots.

How soon do symptoms appear after exposure?

When symptoms develop, they usually start two to seven weeks after exposure. That's a wide window, and it matters: you can be infected, and contagious, well before you feel anything, and a recent exposure that produces no symptoms yet doesn't mean you're in the clear. If you're trying to time things around a known exposure, our guide on when to test after exposure walks through how incubation periods affect when a test can actually detect an infection.

For most people the illness runs its course over a few weeks to a couple of months, with fatigue often lingering longest. The reassuring part of hepatitis A is the part that sets it apart from hepatitis B and C: it does not become chronic. Once your body clears it, it's gone, and you typically develop lasting immunity.

What people commonly mistake hepatitis A for

In its first days hepatitis A is easily confused with other things, because the early symptoms aren't specific to the liver:

• A stomach virus or food poisoning: the nausea, appetite loss, and belly discomfort overlap almost completely with a routine GI bug.
• The flu: fatigue, mild fever, and aches read as a viral cold until jaundice or dark urine appears.
• Other forms of viral hepatitis: hepatitis A, B, and C can produce nearly identical symptoms (or none at all), and you cannot tell them apart by sight.
• Gallbladder problems, right-upper-belly pain plus pale stools can point toward bile-duct issues too.

This overlap is exactly why self-diagnosis fails here. Several liver and sexually transmitted infections look the same on the surface, and several are frequently silent: so the symptom is a clue, not an answer. A blood test, not your best guess, is what settles which infection (if any) it really is.

How hepatitis A is confirmed

Hepatitis A is confirmed with a blood test that looks for antibodies your immune system makes against the virus. That's the only way to separate it from the other infections it mimics: if you may have been exposed, get tested to settle it definitively.

On the experience side: depending on what a clinician suspects, a workup may involve a blood draw, a urine sample, a self-collected swab, or a brief exam. Testing is free or low-cost at health departments, Planned Parenthood, and Title X clinics, and results usually come back within a few days.

When to see a clinician

See a clinician promptly if you notice yellowing of the eyes or skin, dark urine, pale stools, or persistent nausea and right-sided belly pain: especially after a known exposure, travel, or contact with someone diagnosed with hepatitis A. There's no specific antiviral for hepatitis A; care is supportive: rest, fluids, and good nutrition while your body clears the infection on its own. A clinician's job is to confirm the diagnosis, rule out other liver problems, watch for the rare severe case, and tell you when you're no longer contagious to others.

Get urgent care if jaundice is deepening fast, you're vomiting and can't keep fluids down, you're confused or unusually drowsy, or you bruise and bleed easily, those can signal the liver is more seriously affected and need to be evaluated right away.

Keep exploring on EasySTD: your risk of an STD, STD vaccines and Hepatitis A testing.