Hepatitis Types and Treatment Options Every Adult Should Know

Hepatitis is inflammation of the liver that can be caused by viral infection, alcohol use, toxic exposures, or autoimmune conditions. Viral hepatitis — particularly hepatitis B and hepatitis C — affects hundreds of millions of people globally and represents one of the leading causes of chronic liver disease, cirrhosis, and liver cancer worldwide. Because hepatitis often progresses without obvious symptoms for years, understanding the risk factors, testing options, and available treatments is essential for protecting long-term liver health.

 

What Is Hepatitis?

Hepatitis is defined as inflammation of the liver, a large organ responsible for filtering blood, producing bile for digestion, metabolizing medications, and synthesizing essential proteins. When the liver becomes inflamed, these critical functions are impaired. Hepatitis can be acute — resolving within six months — or chronic, persisting beyond six months and causing progressive liver damage. The underlying cause determines the type of hepatitis and its appropriate treatment.

 

Types of Viral Hepatitis

Viral hepatitis encompasses five main types labeled A through E. Hepatitis A is transmitted through contaminated food or water and typically resolves on its own. Hepatitis B spreads through blood, sexual contact, and mother-to-child transmission at birth. Hepatitis C is primarily bloodborne. Hepatitis D only occurs in people already infected with hepatitis B. Hepatitis E is waterborne and rare in developed countries. Of these, hepatitis B and hepatitis C pose the greatest burden of chronic liver disease worldwide.

 

Hepatitis B: Transmission and Risk Factors

Hepatitis B is transmitted through contact with infected blood, unprotected sexual intercourse, sharing of needles or drug paraphernalia, and from infected mother to newborn during delivery. Healthcare workers, individuals with multiple sexual partners, people who inject drugs, and those born to mothers with hepatitis B are among the highest-risk groups. A safe and effective hepatitis B vaccine has been available since 1982 and is recommended for all infants and many adults.

 

Hepatitis C: The Silent Epidemic

Hepatitis C is the most common chronic bloodborne infection in the United States, affecting an estimated 2.4 million Americans. It is spread primarily through sharing needles or other injection drug equipment, though transmission through unsterilized medical equipment, blood transfusions before 1992, and in some cases sexual contact also occurs. Hepatitis C is often called a silent infection because most people experience no symptoms for decades while liver damage accumulates progressively.

 

Symptoms of Acute and Chronic Hepatitis

Acute hepatitis may produce fatigue, jaundice, dark urine, pale stools, nausea, vomiting, abdominal pain, and fever. Chronic hepatitis typically causes no symptoms during its early stages, with fatigue being the most commonly reported complaint when symptoms do occur. By the time symptoms such as jaundice, abdominal swelling, easy bruising, or confusion develop in chronic hepatitis, significant liver damage or cirrhosis has usually already occurred.

 

Who Should Be Tested for Hepatitis

The CDC recommends at least one-time hepatitis C testing for all adults aged 18 to 79, and regular testing for those with ongoing risk factors. Hepatitis B testing is recommended for individuals who were born in regions with high hepatitis B prevalence, have not been vaccinated, or have specific risk factors including injection drug use or HIV. Early detection of hepatitis B or C through screening allows treatment to begin before significant liver damage occurs.

 

Diagnosing Hepatitis

Hepatitis is diagnosed through blood tests that identify specific viral antigens, antibodies, and in the case of hepatitis C, the actual viral genetic material. A reactive hepatitis C antibody test requires confirmation with a hepatitis C RNA test to distinguish active infection from a resolved past infection. For both hepatitis B and C, additional tests assess liver function, stage liver damage, and evaluate whether treatment is indicated. Liver biopsy or non-invasive fibrosis testing may follow initial diagnosis.

 

Hepatitis B Vaccination

The hepatitis B vaccine is one of the most effective preventive tools in medicine, providing long-term protection against infection in more than 95 percent of vaccinated individuals. It is administered as a three-dose series and is routinely given to infants, children, adolescents, and unvaccinated adults — particularly those with risk factors. Universal hepatitis B vaccination has dramatically reduced new hepatitis B infections in countries with high coverage rates.

 

Treating Hepatitis C: A Curable Disease

Hepatitis C is now curable with direct-acting antiviral medications, representing one of the most significant advances in modern gastroenterology. Current treatment regimens are oral, taken daily for 8 to 12 weeks, and achieve cure rates exceeding 95 percent with minimal side effects. Curing hepatitis C stops further liver damage, reduces the risk of cirrhosis and liver cancer, and can improve liver function in patients with established fibrosis. Every person with active hepatitis C infection should be evaluated for treatment.

 

Managing Chronic Hepatitis B

Unlike hepatitis C, hepatitis B cannot currently be cured, but it can be effectively controlled with antiviral medications including tenofovir and entecavir. Treatment reduces hepatitis B viral load, slows liver damage, and significantly decreases the risk of cirrhosis and hepatocellular carcinoma. Not all patients with chronic hepatitis B require medication, but all should be monitored regularly by a gastroenterologist or hepatologist to assess disease activity and determine when treatment is appropriate.

 

Autoimmune Hepatitis

Autoimmune hepatitis occurs when the immune system mistakenly attacks liver cells, causing chronic inflammation and progressive liver damage. It can affect people of any age but is more common in women. Autoimmune hepatitis is diagnosed through blood tests showing elevated liver enzymes, specific autoantibodies, and liver biopsy findings. Treatment with immunosuppressive medications including prednisone and azathioprine controls the immune response and prevents further liver injury in most patients.

 

Alcoholic Hepatitis vs. Viral Hepatitis

Alcoholic hepatitis is liver inflammation caused by heavy alcohol use rather than viral infection. It can develop acutely in the setting of excessive drinking or progress gradually with chronic use. Symptoms overlap with viral hepatitis and include jaundice, abdominal pain, and elevated liver enzymes. Unlike viral hepatitis, alcoholic hepatitis is treated primarily through complete alcohol cessation rather than antiviral medications. A gastroenterologist evaluates the underlying cause to ensure accurate diagnosis and appropriate management.

 

Hepatitis and Liver Cancer Risk

Chronic hepatitis B and hepatitis C are the leading causes of hepatocellular carcinoma worldwide. Patients with cirrhosis from any cause, but particularly from viral hepatitis, require surveillance ultrasound every six months to detect liver cancer at an early, potentially treatable stage. Treating and curing hepatitis C reduces liver cancer risk significantly, though surveillance should continue indefinitely in patients who already have cirrhosis at the time of treatment.

 

Hepatitis and Pregnancy

Hepatitis B can be transmitted from an infected mother to her newborn during delivery, and without intervention the majority of exposed infants develop chronic hepatitis B. The combination of hepatitis B immune globulin and vaccination at birth prevents transmission in approximately 90 percent of cases. All pregnant women should be screened for hepatitis B, and those who are infected should be evaluated for antiviral therapy to reduce transmission risk during the third trimester if viral levels are high.

 

Liver Monitoring in Hepatitis Patients

Regular liver monitoring is essential for all patients with chronic hepatitis. Blood tests measuring liver enzyme levels, viral load, and liver function help assess disease activity and response to treatment. Non-invasive liver fibrosis assessments including FibroScan and the FIB-4 index reduce the need for biopsy in many patients. Consistent follow-up with a gastroenterologist or hepatologist ensures that hepatitis is managed appropriately and that any progression to cirrhosis or liver cancer is detected early.

 

Taking Action on Hepatitis Testing and Treatment

If you have never been tested for hepatitis C, testing is recommended regardless of risk factors for all adults under 80. If you have risk factors for hepatitis B and are unvaccinated, vaccination and testing should be pursued promptly. For those already diagnosed with hepatitis, working with a gastroenterologist ensures access to the most effective antiviral therapies, appropriate monitoring, and the liver cancer surveillance that protects long-term health.

 

Call To Action

If you are experiencing digestive symptoms or are due for preventive screening, expert gastroenterology care can help. Learn more about available services or request an appointment with GI Associates today.

 

Citations

CDC – Hepatitis Overview

https://www.cdc.gov/hepatitis/index.htm

 

NIH – Hepatitis C

https://www.niddk.nih.gov/health-information/liver-disease/hepatitis-c

 

CDC – Hepatitis C Information

https://www.cdc.gov/hepatitis/hcv/index.htm

 

For education only, not medical advice.