Hepatitis A: Symptoms, Causes, Treatment, and Prevention

The liver disease, Hepatitis A, is identified as the condition that causes swelling of the liver and stops it from functioning properly. A liver infection is contagious and caused by the virus, hepatitis. It could cause a mild illness lasting a few weeks or chronic problems that take a few months to disappear. It results when one ingests poop-contaminated food or drink from an individual carrying the virus.

However, this virus isn’t dangerous. Anyone suffering from this condition usually recovers. However, it can take its own time to disappear, so care needs to be taken during this period.

Causes

One can contract the Hepatitis A virus when one mistakenly eats or drinks small amounts of food or drink that’s contaminated with faecal matter. This can be passed on through drinking water that’s contaminated, or food that’s been touched by an infected individual who hasn’t washed their hands after using the toilet. Alternatively, the infected person should have come in close contact with an already infected individual.

Signs and Symptoms

The symptoms may not appear up to 2-4 weeks of the virus exposure. They may appear as fatigue, vomiting and nausea. Subsequently, the infection may cause pain at the site of the liver, muscle aches, diarrhea, appetite loss and low-grade fever. One may also contract jaundice. These symptoms would generally last a few weeks and not longer. However, symptoms do not present at all sometimes, especially in children, making the infection hard to catch.

Though Hepatitis A infection is rarely long-lasting, patients with underlying chronic liver disease may face a sudden loss of hepatic function and acute liver failure.

Risk Factors

Certain factors can increase a child’s chances of getting Hepatitis A. The infection spreads easily in places where hygiene and sanitation are poor, but some groups are at higher risk than others.

A child may be more likely to contract Hepatitis A if they:

• Live in or travel to regions where Hepatitis A is common.
• Stay in crowded or unhygienic environments, such as shelters or areas with poor sanitation.
• Have close contact with someone who is infected with Hepatitis A.
• Attend childcare centres or schools where outbreaks can spread quickly.
• Have a weakened immune system or are living with conditions like HIV.
• Use or come into contact with someone who uses recreational or injectable drugs (in older children or adolescents).

Maintaining good hygiene, proper sanitation, and vaccination are the best ways to reduce these risks and prevent infection.

Complications

Hepatitis A usually does not lead to long-term liver damage or chronic infection. Most children recover completely within a few weeks to months once the infection clears.

In rare instances, Hepatitis A may lead to acute liver failure, which is a rapid and severe decline in liver function. This condition is more likely to develop in individuals with weakened immunity or existing liver disorders.

Children who develop acute liver failure may need hospital care for close monitoring and treatment. In extremely rare situations, a liver transplant may be required.

Fortunately, serious complications are uncommon, and most children recover fully with proper rest, hydration, and supportive care.

Diagnosis and Treatment

While mild infection should not be a cause for worry, if suspected, a paediatrician must be consulted immediately. The paediatrician on examination may advise a blood test if chronic infection is suspected. Liver function tests may also be done to check any elevation of liver-specific enzymes. The prothrombin time test may also be done to indirectly evaluate the clotting factors in the blood, produced by the liver. In case of acute liver failure, this number shoots up very high.

The treatment of Hepatitis A infection is based on alleviating symptoms. The symptoms, in most cases, will resolve in a few weeks. Keeping the child rested enough and following the doctor’s advice would suffice. Hospitalisation may be required in case of acute liver failure, dehydration or severe vomiting. After recovery, the child becomes immune to HAV for life.

In exceptional cases, a liver transplant may be needed.

Prevention

Prevention is the key to safeguarding your child from Hepatitis A. All children are therefore recommended to be vaccinated for Hepatitis A. The dual dose is administered 6 months apart, after the child turns 1. Vaccination rules out the possibility of the child contracting the contagious virus, almost completely.

However, hygiene also plays an important part in avoiding exposure to the virus. Hand washing, food and water hygiene have come a long way.

Vaccination before travelling to risk-prone areas is also a measure that should be considered if you or your child hasn’t been vaccinated against HAV earlier. This vaccination can be administered to a child as young as 6 months.

Vaccinations and evaluation/tests for hepatitis A can be carried out in most medical centres. But, in case of suspected HAV infection, it is recommended to consult a trusted paediatrician or liver specialist for an all-around thorough evaluation. If you are looking for a children’s liver specialist in Chennai, Rela Hospital has the best hands to trust your little one with.

Frequently Asked Questions