What are the diagnosis for dengue?

Dengue diagnosis is based on the patient's symptoms, physical examination, and laboratory tests. The following are some of the diagnostic criteria for dengue:

Symptoms:

- Fever

- Headache

- Muscle aches

- Joint aches

- Nausea and vomiting

- Skin rash

Physical examination:

- Swollen lymph nodes

- Reddened eyes

- Flushed face

- Bleeding from the nose or gums

- Skin rash

Laboratory tests:

- Complete blood count (CBC) with differential

- Platelet count

- Hematocrit

- Blood chemistry tests

- Viral serology tests (IgM and IgG antibodies)

- Polymerase chain reaction (PCR) test

Imaging studies:

- Ultrasound of the abdomen

- Chest X-ray

The diagnosis of dengue can be challenging, as it can mimic other illnesses such as malaria, typhoid fever, and leptospirosis. Laboratory tests are essential for confirming the diagnosis of dengue and for ruling out other possible causes of the symptoms.