Fever, dengue and when to seek urgent assessment

What symptoms and history should I describe?

Record when the fever began, the highest measured temperature, vomiting, cough, pain, rash and how much you are drinking and passing urine. Bring reports with the day of illness on which each test was done.

Tell the clinician about pregnancy, diabetes, other chronic illness, recent travel and medicines already taken. Some people need assessment sooner because of their health or age. Do not use leftover antibiotics to treat an undiagnosed fever.

Guidance: WHO: Dengue and severe dengue

How is the problem assessed?

Testing is chosen according to the suspected cause and timing. A negative or positive test needs interpretation in the context of symptoms and the day of illness. Ask whether repeat assessment is needed if the illness changes.

In suspected dengue, clinicians assess warning signs and hydration as well as laboratory trends. The condition can worsen even when fever begins to settle. It is more useful to know which changes need immediate care than to focus on a single platelet threshold.

Guidance: WHO: Dengue and severe dengue

What treatment and follow-up might be discussed?

Treatment depends on the cause. Discuss suitable symptom relief, fluids and whether medicines should be avoided for the suspected illness. WHO advises avoiding ibuprofen and aspirin in dengue because they can increase bleeding risk.

Ask what you should monitor at home, how to recognise dehydration and when the next review is due. If you cannot keep fluids down or feel progressively weaker, do not rely only on a routine follow-up date.

For recurring or prolonged symptoms, bring the earlier assessment and test results so the clinician can evaluate the course. An improving temperature is one part of recovery; drinking, alertness and breathing also matter.

Guidance: WHO: Dengue and severe dengue

Questions to ask at the appointment

• Which causes fit the history and examination?
• Does the timing of illness change which test is useful?
• What should I watch for while recovering at home?
• When should I return sooner than the planned review?

Take a short written list and begin with your most important concern. If a test or treatment is recommended, ask what decision it will help make and how the result will be communicated. Bring the plan back at follow-up so you can discuss what improved and what remains unresolved.