Dengue fever What are the symptoms?

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Dengue hemorrhagic fever is a disease caused by the dengue virus transmitted by mosquitoes. Usually found in tropical countries and endemic during the rainy season of every year. The symptoms of dengue fever range from mild symptoms to death if not treated promptly.

Currently, dengue fever is a public health and medical problem in Thailand. Because each year there are many patients from all regions Most of them are children under 15 years old and this disease often spreads a lot in the rainy season because there are a lot of mosquitoes. โปรโมชั่น ufabet

Symptoms of dengue fever can be divided into 3 stages:

Stage 1: High Fever:

The patient will have a sudden onset of high fever, and the fever will rise all the time for about 2-7 days. The fever will not decrease with the use of antipyretic drugs, red face, red eyes, muscle aches, headache, and thirst. Loss of appetite, vomiting, lethargy. Some cases may have abdominal pain under the epigastric region or right ribcage or general abdominal pain. and may also have constipation or loose stools Most of the time, there is no nasal congestion. Runny nose or cough a lot, but some people may have a sore throat. Red throat and a slight cough about the 3rd day may have a red rash that does not itch on the limbs and body for 2-3 days. Face, limbs, axillary, in the mouth, and may feel the enlarged liver. Pressing pain can occur. At this stage, if the symptoms are severe, the second stage will appear.

Stage 2: shock and bleeding Symptoms usually occur between the 3rd and 7th day of the disease,

which is considered critical. The fever subsides rapidly, but the patient often has severe deterioration and shock occurs, ie restlessness, sweating, cold body, cold hands and feet, and less urination. The pulse is light but fast. Low blood pressure, lethargy. There may also be bleeding under the skin or cyanotic blotches. Nosebleeds, vomiting, and fresh bloody stools or coffee color This phase lasts about 24 – 48 hours. If not treated promptly, it can be life-threatening. But if the patient can get through this critical period, it will enter the third phase.

Stage 3 symptoms, recovery period, in cases that receive correct and timely treatment In mild shock, symptoms will begin to improve. 

And the symptoms that show that the patient is better are starting to eat, able to sit up and the body will gradually recover to normal condition. This phase may last for 2-3 days, including 7-10 days of uncomplicated dengue fever. 

Some patients just have a high fever. When the fever is reduced, you can go home. But some patients have severe symptoms. Depending on the infection received and the patient’s own immunity As a result, the severity of dengue fever symptoms in each person is different.