Hepatitis C (HCV): Treatment, Symptoms, and Diagnosis

Hepatitis C is a viral infection that attacks the liver, often with no symptoms for years while quietly causing damage. Left untreated, HCV infection can progress to liver fibrosis, liver cirrhosis, and other serious complications.

The good news is that hepatitis C treatment has changed considerably: modern antiviral medication now cures more than 95% of patients, usually within 12 to 24 weeks. Diagnosis starts with a simple blood test, and recognizing hepatitis C symptoms early gives you the best chance of protecting your liver.

This guide explains what causes hepatitis C, its symptoms, how it is diagnosed and treated, and when to see a specialist.

What Is Hepatitis C (HCV)?

Hepatitis C is an infection caused by the Hepatitis C Virus (HCV), which primarily attacks liver cells. Left untreated, it can become chronic and cause ongoing inflammation that may lead to liver fibrosis (early scarring), cirrhosis (advanced scarring), liver failure, or liver cancer.

Many people live with chronic hepatitis C for years before symptoms appear, so early diagnosis gives treatment the best chance of protecting your liver.

What Causes Hepatitis C?

Hepatitis C spreads through contact with infected blood, most often through:

• Blood transfusions received before routine HCV screening became standard
• Sharing needles or other injecting equipment
• Non-sterile tattoo or piercing equipment
• Healthcare exposure in settings with poor infection control
• Mother-to-child transmission during birth (less common)

It does not spread through hugging, sharing food, casual contact, coughing, or sneezing.

Who Is at Higher Risk?

You may face a higher risk of hepatitis C if you:

• Received blood transfusions before screening programs were introduced
• Inject drugs
• Work in healthcare with regular blood exposure
• Undergo hemodialysis
• Live with HIV
• Received tattoos or piercings with non-sterile equipment

Hepatitis C Symptoms

Hepatitis C is often called a silent infection, because many people notice no symptoms until liver damage has begun.

Acute Symptoms

In the early weeks after infection, hepatitis C symptoms can include:

• Fever
• Fatigue
• Loss of appetite
• Nausea
• Abdominal pain
• Dark urine
• Jaundice (yellowing of the skin or eyes)

Chronic Symptoms

Many people stay symptom-free for years while chronic hepatitis C gradually affects the liver. When symptoms appear, they may include:

• Persistent fatigue
• Easy bruising
• A swollen abdomen (ascites)
• Swollen legs
• Confusion linked to liver disease
• Unexplained weight loss
• Jaundice

How Is Hepatitis C Diagnosed?

Diagnosis typically moves from initial screening to a full liver assessment.

Anti-HCV Blood Test

An anti-HCV blood test is usually the first hepatitis C test your doctor will order. It checks for antibodies that indicate previous exposure. A positive result means you have been exposed to HCV, though it does not confirm an active infection on its own.

HCV RNA Test (PCR)

If the antibody test is positive, an HCV RNA test (PCR) confirms whether the infection is active, measures viral load, and helps your doctor plan treatment.

Liver Assessment

Before treatment, your doctor will assess existing liver damage using liver function tests and imaging, such as:

• An abdominal ultrasound
• FibroScan (which measures liver stiffness)
• APRI score
• FIB-4 score

These tools help determine whether fibrosis or cirrhosis has developed, which can affect how long treatment should last.

Hepatitis C Treatment

Antiviral treatment for hepatitis C has changed considerably over the past decade, and it is now one of the few chronic viral infections that can often be cured.

Direct-Acting Antivirals (DAAs)

Direct-Acting Antivirals (DAAs) are the standard hepatitis C medication today. Taken orally, DAAs cure more than 95% of patients and cause fewer side effects than older interferon-based therapies.

Common regimens include sofosbuvir combined with daclatasvir, or sofosbuvir combined with velpatasvir. HCV treatment usually lasts around 12 weeks, though patients with cirrhosis may need longer.

An internal medicine specialist or gastroenterology and hepatology specialist typically prescribes and monitors treatment.

Can Hepatitis C Be Cured?

Yes, hepatitis C can often be cured with the right antiviral treatment. Most patients achieve a sustained virologic response (SVR), meaning the virus is no longer detectable in the blood months after treatment ends.

Starting treatment early lowers the risk of liver complications, so prompt diagnosis is worth pursuing even without symptoms.

What Happens If Hepatitis C Is Left Untreated?

Without treatment, chronic hepatitis C can gradually damage the liver over many years, potentially leading to liver fibrosis, liver cirrhosis, liver failure, portal hypertension (increased pressure in the veins carrying blood to the liver), and liver cancer (hepatocellular carcinoma). Because these complications develop slowly, an early hepatitis C diagnosis gives you the best opportunity to start treatment before serious damage occurs.

How Can Hepatitis C Be Prevented?

There is currently no vaccine for hepatitis C, so prevention and routine hepatitis C screening play an important role in protecting liver health. Practical steps include:

• Avoiding shared needles
• Confirming that tattoo and piercing equipment is properly sterilized
• Following safe blood handling practices
• Seeking routine screening if you are in a higher-risk group
• Choosing healthcare providers with strict infection control practices

When Should You See a Doctor?

We encourage you to seek a specialist consultation if you have hepatitis C risk factors, experience persistent fatigue, notice jaundice, receive abnormal liver function results, or were exposed to infected blood. Early hepatitis C screening is worthwhile even without symptoms, since the infection can be present for years before it causes noticeable problems.

Get Hepatitis C Diagnosis and Treatment at Bali International Hospital

Our international hospital in Bali offers comprehensive diagnostic evaluation for hepatitis C, including:

• Advanced laboratory testing
• Imaging
• Liver assessment

Our internal medicine and gastroenterology teams work together on personalized treatment planning, supported by ongoing monitoring during and after treatment. You can book an appointment to arrange a health screening package, and our multidisciplinary team is ready to help.

Schedule a consultation with our Internal Medicine or Gastroenterology specialists to discuss Hepatitis C screening, diagnosis, and treatment options. Contact our hospital to learn more about Hepatitis C testing and personalized care.

Frequently Asked Questions

What Symptoms Can Hepatitis C Cause?

Hepatitis C often causes no symptoms for years. When they appear, common signs include:

• Fatigue
• Loss of appetite
• Nausea
• Abdominal pain
• Dark urine
• Jaundice

Chronic cases may also cause swelling, easy bruising, or confusion linked to liver disease.

How Do Doctors Test for Hepatitis C?

Doctors typically start with an anti-HCV blood test to check for previous exposure, followed by an HCV RNA test (PCR) to confirm active infection and measure viral load. Additional tests, such as FibroScan or liver function tests, assess existing liver damage.

Can Hepatitis C Be Cured with Treatment?

Yes. Direct-Acting Antivirals (DAAs) cure more than 95% of patients, usually within 12 weeks.

Most people achieve a sustained virologic response, meaning the virus becomes undetectable after treatment.

When Should I See a Liver Specialist?

See a liver specialist if you have hepatitis C risk factors, persistent fatigue, jaundice, abnormal liver function results, or known exposure to infected blood. Early evaluation gives treatment the best chance of preventing complications.