High Fever, Red Eyes and Cracked Lips: Could It Be Kawasaki Disease?

“My child has had a fever for several days and the eyes are red. Could this be Kawasaki disease?”

Kawasaki disease is an inflammatory condition affecting blood vessels that mainly occurs in infants and young children. It is uncommon, but recognising it early is important because timely treatment can reduce the risk of heart complications.

What Should Parents Look Out For?

Doctors may become concerned when a child has persistent fever, particularly for 5 days or more, together with some of the following features:

Red Eyes

Red eyes without discharge.

Changes Around the Mouth

Red or cracked lips and a strawberry tongue.

Skin Rash

A rash may appear on the body.

Hands and Feet

Swelling or redness of the hands and feet.

Enlarged Neck Gland

An enlarged neck gland, usually on one side.

Behaviour Changes

A child may be very irritable, eat less, or seem unusually uncomfortable.

Not every child will have all of these features, and they may not appear at the same time.

“Can It Look Like a Viral Infection?”

Yes.

In the early stage, Kawasaki disease can resemble a viral fever, sore throat, rash illness or even hand-foot-mouth disease. This is why persistent fever and the overall pattern of symptoms are important clues.

Why Is Early Diagnosis Important?

The main concern is inflammation of the coronary arteries, the blood vessels that supply the heart.

Early treatment, usually with intravenous immunoglobulin (IVIG) and other medications when indicated, can greatly reduce the risk of coronary artery complications.

“Should I Wait for All the Signs to Appear?”

No.

Some children do not develop every classic feature at the same time. If your child has persistent fever and features that could be associated with Kawasaki disease, medical assessment should not be delayed while waiting for all the signs to appear.

What Happens During the Assessment?

The paediatrician may perform:

Physical Examination

A detailed physical examination to look for features associated with Kawasaki disease.

Blood Tests

Blood tests to look for inflammation and other changes.

Urine Testing

Urine testing may be performed as part of the assessment.

Echocardiography

A heart ultrasound may be performed when Kawasaki disease is suspected.

The diagnosis is based on the child's overall clinical findings and investigation results. There is no single test that confirms Kawasaki disease in every child.

What About Treatment?

Treatment depends on the child's age, symptoms, examination findings and test results.

Children suspected of having Kawasaki disease often require hospital assessment and monitoring, particularly because of the potential risk of heart complications.

Seek Prompt Medical Review If Your Child Has:

Fever for 5 days or more
Red eyes without discharge
Red or cracked lips
Rash with persistent fever
Swollen or red hands and feet
Unusual irritability or lethargy
Persistent fever with several of these features

💡 Take-Home Message

A persistent fever with red eyes, red lips, rash, or swollen hands and feet should not be dismissed as “just another viral fever.” Early paediatric assessment is important because timely recognition and treatment can help reduce the risk of heart complications.

Frequently Asked Questions

Does Kawasaki disease always cause a fever for 5 days?

Persistent fever is a major feature, but children may be assessed before all the typical features have appeared. Do not wait for every sign if your child is becoming increasingly unwell.

Is Kawasaki disease contagious?

No. Kawasaki disease is an inflammatory condition and is not considered a contagious infection.

Can Kawasaki disease be mistaken for a viral infection?

Yes. Early Kawasaki disease can resemble common viral illnesses, especially when fever is accompanied by rash, red eyes or changes around the mouth.

Does Kawasaki disease affect the heart?

It can affect the coronary arteries, which is why early recognition and treatment are important. Some children may require echocardiography and follow-up to monitor the heart.

Does my child need to go to hospital?

Children suspected of having Kawasaki disease often require hospital assessment because investigations, treatment and heart monitoring may be needed.

Concerned About Your Child's Persistent Fever?

If your child has persistent fever together with red eyes, changes around the lips or tongue, rash, swollen hands or feet, or unusual irritability, prompt paediatric assessment is important.

Southern Child Specialist Clinic in Johor Bahru provides paediatric assessment for persistent fever and other childhood illnesses.

Book a Paediatric Consultation