What are the description stage of dengue fever?

Stage 1: Febrile stage

Symptoms:

- High fever (104°F or higher)

- Headache

- Muscle and joint aches

- Nausea and vomiting

- Diarrhea

- Rashes may develop on the face and body

- Fatigue

- Loss of appetite

- Pain in the eyes

- Swollen lymph nodes

Duration:

The febrile stage usually lasts for 2-7 days.

Stage 2: Critical stage

Symptoms:

- The fever may drop suddenly

- The patient may feel better

- The pulse can become rapid and weak

- The blood pressure can drop

- The skin may become cold and clammy

- Bleeding may occur from the nose, gums, or other sites

Duration:

The critical stage can last for 24-48 hours.

Stage 3: Convalescent stage

Symptoms:

- The fever gradually comes down

- The patient starts to feel better

- The appetite improves

- The rash fades

- Weakness and fatigue may persist

Duration:

The convalescent stage can last for 2-4 weeks.