Symptoms and signs of hepatitis A

summary

Hepatitis A is an acute liver inflammation caused by hepatitis A virus (HAV), which is mainly transmitted through fecal oral route. It is common among children and adolescents. It is one of the common enteric infectious diseases in China. The incidence rate and infection rate of viral hepatitis are the highest. The infectious source of hepatitis A is usually acute patients and subclinical patients. The patients are most infectious from the late latent stage to 10 days after onset. Fecal oral route is the main route of transmission, and daily life contact is the main route of transmission of sporadic cases. Let's talk about the symptoms and signs of hepatitis A

Symptoms and signs of hepatitis A

The incubation period of hepatitis A virus infection is usually about one month. At this time, there are no symptoms. Then, fever, fatigue, loss of appetite, nausea, vomiting and yellowing of skin can appear without other reasons. Some patients have abdominal distension or diarrhea, brown urine, light stool, and signs of liver swelling, tenderness or percussion pain, The liver function test showed that ALT was abnormal. The serum antibody to hepatitis A was positive or the titer increased significantly. The severity of symptoms varied. The course of mild disease was 1-2 weeks, and severe disease could lead to several weeks or longer.

Jaundice period: acute onset, chills, fever, general fatigue, loss of appetite, anorexia, nausea, vomiting, abdominal pain, liver pain, diarrhea, bird color gradually deepened, to the end of the course of tea like, a few cases with fever, headache, upper respiratory tract symptoms as the main performance, this period lasted 1-21 days, an average of 5-7 days.

Jaundice stage: conscious symptoms can be improved, fever decreased, but urine color continues to deepen, sclera, skin yellow staining, reaching the peak in about 2 weeks, there can be light stool color, skin itching, bradycardia and other obstructive jaundice performance, hepatomegaly to 1-3cm under the ribs, a sense of fullness, tenderness and percussion pain, some cases of mild splenomegaly, this period lasts for 2-6 weeks.

matters needing attention

Do a good job in drinking water sanitation. Strengthen disinfection of drinking water, whether it is tap water, or well water, river water, pond water should be disinfected. The principle of diet is light, digestible and nutritious. Don't eat unclean food or drink raw water. Clams, clams and other aquatic products may adhere to hepatitis A virus, do not eat raw or semi raw.