Slapped Cheek Syndrome (Fifth Disease): Symptoms, Causes, and Treatment

Slapped cheek syndrome, or Fifth Disease, is a mild viral infection caused by parvovirus B19. It’s most common in children aged 5-15 and causes a bright red rash on the cheeks. The infection spreads through coughs or sneezes and usually resolves on its own. While most cases are mild, pregnant women and people with weakened immune systems may face complications.

In plain words

Slapped cheek syndrome, also called Fifth Disease, is a mild viral infection common in kids. It causes a bright red rash on the cheeks, like a slap mark. The virus spreads through coughs or sneezes. Most cases are mild and go away on their own. While kids aged 5-15 are most likely to get it, adults can too. Pregnant women and people with weak immune systems should be careful because they can have complications.

What is Slapped Cheek Syndrome (Fifth Disease): Symptoms, Causes, and Treatment?

Symptoms

Early symptoms

Low-grade fever: A mild fever, usually under 101°F, that lasts for a few days before the rash appears. (2) (3)
Headache: Mild to moderate headaches that often accompany flu-like symptoms. (2) (3)
Runny nose: A runny or stuffy nose that resembles a common cold. (2) (3)
General fatigue: Feeling tired or sluggish, especially in the early stages of the infection. (2) (3)

Serious or emergency symptoms

Severe anemia: In individuals with weakened immune systems or chronic anemia, parvovirus B19 can cause severe, prolonged anemia. Seek immediate medical attention if pale skin, extreme fatigue, or shortness of breath occurs. (7)
Fetal complications in pregnancy: Pregnant women infected with parvovirus B19 may face risks like miscarriage or severe fetal anemia. Pregnant women exposed to the virus should contact their healthcare provider immediately. (7)

Causes

Primary causes

Parvovirus B19: The virus causes slapped cheek syndrome and spreads through respiratory droplets from coughs or sneezes. (1)

Risk factors

Age (5-15 years)

Children aged 5-15 are most likely to contract the virus, especially in school or childcare settings. (1)

Pregnancy

Pregnant women who haven’t previously been exposed to parvovirus B19 are at risk of complications. (1)

Weakened immune system

People with compromised immune systems are more likely to develop complications from the virus. (1)

Diagnosis

Doctors usually diagnose slapped cheek syndrome based on the characteristic rash. In atypical cases or for high-risk individuals, blood tests can confirm parvovirus B19 infection by detecting specific antibodies.

Clinical evaluation of rash

The distinctive appearance of bright red cheeks and a lacy rash on the body is often enough for diagnosis. (6) (5)

Blood test for parvovirus B19 antibodies

This test confirms recent infection (IgM antibodies) or past exposure/immunity (IgG antibodies). (6)

Treatment

Medication options

Pain relievers

Reduces fever and discomfort associated with the infection. (4)

Antihistamines

Helps relieve itching associated with the rash. (4)

Lifestyle and self-care

Rest and hydration: Encouraging plenty of rest and fluids helps the body recover. (4) (8)
Cool compresses: Applying cool, damp cloths can soothe itchy rashes. (4)
Avoiding heat exposure: Heat can worsen the appearance of the rash, so staying cool is helpful. (8)

Always discuss dosing and treatment changes with your own prescriber.

Possible complications

Joint pain and swelling: Adults, especially women, may experience joint pain that lasts for weeks or months. (1)
Fetal anemia in pregnancy: Parvovirus B19 can affect the fetus, leading to severe anemia or hydrops fetalis. (7)
Persistent anemia in immunocompromised individuals: People with weakened immune systems may develop chronic anemia requiring medical intervention. (1)

When to see a doctor

Routine follow-up

If you or your child develops the characteristic rash or flu-like symptoms, consult a healthcare provider for confirmation. (3) (2)
Pregnant women exposed to someone with Fifth Disease should seek medical advice promptly. (7)

Seek emergency care

Seek immediate care if severe anemia symptoms develop, such as extreme fatigue, pale skin, or shortness of breath. (7)
Pregnant women with confirmed parvovirus B19 infection should undergo close fetal monitoring. (7)

Frequently asked questions

What is Slapped Cheek Syndrome?

Slapped cheek syndrome, also known as Fifth Disease, is a mild viral infection caused by parvovirus B19. It’s most common in children and causes a distinctive red rash on the cheeks. (1) (3)

What are the first signs of Slapped Cheek Syndrome?

Early symptoms include low-grade fever, headache, runny nose, and general fatigue. These flu-like symptoms appear before the characteristic rash develops. (2) (3)

What causes Slapped Cheek Syndrome?

The condition is caused by parvovirus B19, which spreads through respiratory droplets from coughs or sneezes. (1)

How is Slapped Cheek Syndrome treated?

Treatment focuses on relieving symptoms with rest, fluids, and over-the-counter pain relievers. No antiviral medications are available. (4) (8)

Can Slapped Cheek Syndrome be cured?

The infection typically resolves on its own without specific treatment. Most people develop immunity after infection. (1) (3)

References

CDC — Parvovirus B19 and Fifth Disease source 1
CDC — Symptoms of Fifth Disease source 2
NHS — Slapped cheek syndrome source 3
NHS — Slapped cheek syndrome treatment source 4
MedlinePlus — Fifth disease source 5
CDC — Diagnosis of Fifth Disease source 6
CDC — Fifth Disease and Pregnancy source 7
Children's Hospital of Philadelphia — Fifth Disease source 8