Dengue is more than just a seasonal fever. It can become serious if warning signs are missed or treatment is delayed. Knowing the symptoms, understanding when testing is needed, and taking simple preventive steps can help protect your entire family.

In this guide, PS Path Lab explains how to recognize dengue, which tests are commonly used, when to seek medical attention, and how to reduce the risk of dengue at home.

What Is Dengue?

Dengue is a viral infection mainly transmitted through the bite of infected Aedes mosquitoes. These mosquitoes commonly bite during the daytime and can breed in small amounts of stagnant water around homes, offices, schools, and other places.

Dengue can affect children and adults. While many people recover with proper medical care, some cases can progress to severe dengue and require urgent treatment.

Common Symptoms of Dengue

Dengue symptoms usually develop several days after infection and may include:

• High fever
• Severe headache
• Pain behind the eyes
• Muscle and joint pain
• Extreme tiredness or weakness
• Nausea or vomiting
• Skin rash
• Loss of appetite

Not everyone experiences the same symptoms. Early symptoms can also resemble other viral infections, which is why medical evaluation and appropriate testing can be important.

Dengue Warning Signs: Don't Ignore These Symptoms

Some symptoms may indicate that dengue is becoming more serious.

Seek urgent medical attention if a person develops:

• Severe abdominal pain
• Persistent vomiting
• Bleeding from the nose or gums
• Blood in vomit or stool
• Unusual or excessive bleeding
• Extreme weakness, restlessness, or drowsiness
• Difficulty breathing
• Pale, cold, or clammy skin
• A sudden worsening of symptoms, particularly around the time the fever starts to come down

Severe dengue can progress quickly. Do not wait for symptoms to become severe before contacting a doctor.

Which Tests Are Used to Diagnose Dengue?

A doctor may recommend different dengue tests depending on the day of illness, symptoms, and clinical condition.

Commonly used tests include:

1. Dengue NS1 Antigen Test

The NS1 antigen test can help detect dengue infection during the early phase of illness. It is generally more useful during the first several days of fever.

2. Dengue IgM Antibody Test

IgM antibodies develop after the immune system responds to the infection. An IgM test may therefore be useful later in the course of illness.

3. Dengue IgG Antibody Test

IgG can indicate previous exposure to dengue and may also be used alongside other tests depending on the clinical situation.

4. CBC Test

A Complete Blood Count (CBC) may be recommended to monitor blood counts during dengue illness. Platelet count and other blood parameters may change during the course of the infection.

Important: A platelet count alone does not confirm or rule out dengue. Test interpretation should be done by a qualified healthcare professional in combination with symptoms and other findings.

When Should You Get a Dengue Test?

If you develop a high fever or symptoms suggestive of dengue—especially during a dengue outbreak—contact a doctor about whether testing is appropriate.

The most suitable dengue test can depend on how many days you have had symptoms. Your healthcare professional can recommend the appropriate test based on your condition and illness duration.

What Happens to Platelets in Dengue?

A common concern during dengue is a falling platelet count.

However, platelet count should not be considered in isolation. Doctors may monitor platelet levels, hematocrit and other clinical parameters along with symptoms and overall condition.

A low platelet count does not automatically mean severe dengue, and a person with dengue should not self-manage based only on a platelet number.

How to Protect Your Family From Dengue

Prevention is one of the most effective ways to reduce dengue risk.

1. Remove Stagnant Water

Check your home regularly for places where water can collect:

• Flower pots and trays
• Buckets
• Coolers
• Water tanks
• Plant containers
• Discarded tyres
• Bottles and cans
• Roof gutters and drains

Empty, clean, or cover water containers regularly.

2. Use Mosquito Protection

To reduce mosquito bites:

• Use mosquito screens where possible.
• Wear clothing that covers arms and legs.
• Use mosquito repellents according to label instructions.
• Use mosquito nets, particularly for people resting during the day.
• Keep doors and windows screened where practical.

3. Don't Forget Daytime Protection

Aedes mosquitoes can bite during the day, so mosquito protection should not be limited to nighttime.

4. Protect Someone Who Has Dengue

A person with dengue can contribute to transmission if mosquitoes bite them and subsequently bite other people.

Therefore, someone with suspected or confirmed dengue should take measures to avoid mosquito bites while they are ill.

Dengue and Children: What Parents Should Know

Children may not always clearly describe how they are feeling. Parents should pay attention to:

• Persistent fever
• Reduced food or fluid intake
• Repeated vomiting
• Unusual sleepiness or irritability
• Abdominal pain
• Bleeding
• Reduced urination
• Sudden worsening after the fever appears to improve

If you are concerned about a child's symptoms, consult a pediatrician promptly.

Can Dengue Be Treated at Home?

There is no specific antiviral treatment that cures dengue in every case. Management generally focuses on appropriate medical care, adequate fluids, monitoring, and treating symptoms as advised by a healthcare professional.

Do not self-medicate with medicines such as aspirin or ibuprofen unless specifically advised by a doctor, because they can increase bleeding risk in dengue.

If dengue is suspected, speak with a doctor about appropriate fever management and monitoring.

Dengue Prevention Checklist for Every Family

Use this simple weekly checklist:

☐ Empty stagnant water around the house
☐ Clean coolers and water containers
☐ Keep water tanks properly covered
☐ Check plant pots and trays
☐ Remove discarded containers and tyres
☐ Use mosquito protection during the daytime
☐ Keep children protected from mosquito bites
☐ Don't ignore persistent fever
☐ Consult a doctor if dengue symptoms develop
☐ Get recommended tests when advised by a healthcare professional

Frequently Asked Questions About Dengue

What are the first symptoms of dengue?

Common symptoms include sudden fever, headache, pain behind the eyes, muscle and joint pain, weakness, nausea, vomiting, and sometimes a skin rash.

Which test confirms dengue?

Dengue diagnosis may involve tests such as NS1 antigen and dengue antibody tests, depending on the stage of illness. A doctor may also recommend a CBC to monitor blood counts.

Is CBC enough to diagnose dengue?

No. A CBC can provide important information about blood counts, but it does not by itself confirm dengue. Dengue-specific testing and clinical assessment may be needed.

Does dengue always cause low platelets?

No. Platelet levels can remain normal initially and may change as the illness progresses. Doctors interpret platelet counts together with symptoms and other laboratory findings.

Can dengue be prevented?

Yes. Reducing mosquito breeding sites and preventing mosquito bites can significantly reduce exposure to dengue-carrying mosquitoes.

Can dengue happen without severe symptoms?

Yes. Many dengue infections are not severe, but symptoms should still be monitored and medical advice should be sought when appropriate.

When should I see a doctor for dengue?

Consult a healthcare professional if you develop persistent or high fever with symptoms such as severe headache, body aches, vomiting, rash, or weakness. Seek urgent medical care if warning signs such as severe abdominal pain, persistent vomiting, bleeding, breathing difficulty, or sudden worsening occur.

Protect Your Family: Don't Ignore Persistent Fever

Dengue can be difficult to distinguish from other infections based on symptoms alone. Early medical evaluation, appropriate testing, monitoring, and mosquito prevention can help protect your family.

If you or a family member develops symptoms that could indicate dengue, consult a qualified healthcare professional about the appropriate tests and treatment.

PS Path Lab — Supporting Your Family's Diagnostic Needs

PS Path Lab provides diagnostic laboratory services to help you and your family stay informed about your health.

If dengue is suspected, speak with your doctor about which tests are appropriate based on your symptoms and the duration of illness.

Stay alert. Stay protected. Save your family from dengue.