Neonatal Herpes: Can Babies Be Born With Herpes?

Written by Medicover Team and Medically Reviewed by Dr Neha Mukhi , Pediatricians

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1. Causes 2. Find a Doctor 3. Diagnosis 4. Treatment 5. FAQs

Neonatal herpes is a rare but serious viral infection caused by the herpes simplex virus (HSV) that affects newborns, usually within the first few weeks of life. Early diagnosis and prompt treatment are essential to prevent severe complications. Understanding its causes, symptoms, transmission, diagnosis, treatment, and prevention can help protect your baby's health and improve outcomes.

What are the Symptoms of Neonatal Herpes?

Neonatal herpes symptoms can vary widely but often include lethargy, irritability, fever, and difficulty feeding.
The condition may also manifest as skin lesions or affect internal organs. Due to the severity of possible symptoms, early diagnosis is vital.
Diagnosis typically involves laboratory testing of samples taken from lesions, blood, or cerebrospinal fluid to detect HSV.

What Causes Neonatal Herpes?

Neonatal herpes is primarily caused by the herpes simplex virus (HSV), which has two types: HSV-1 and HSV-2. While HSV-1 is commonly associated with oral infections, HSV-2 is typically linked to genital infections. Both types, however, can lead to neonatal herpes if the virus is transmitted to the infant during childbirth. This transmission occurs when a mother with an active herpes infection delivers the baby vaginally. Notably, the risk is higher if the mother acquires the herpes infection for the first time late in pregnancy.

When Should You See a Doctor for Neonatal Herpes?

Seek immediate medical attention from a pediatrician if your newborn develops symptoms that could indicate neonatal herpes. Early diagnosis and prompt antiviral treatment can significantly reduce the risk of severe complications, including brain damage and life-threatening organ infections.

Consult a doctor immediately if your baby has:

Fever or low body temperature
Poor feeding or refusal to feed
Fluid-filled blisters on the skin, eyes, or mouth
Excessive sleepiness or unusual irritability
Difficulty breathing
Seizures or abnormal movements
Yellowing of the skin or eyes (jaundice)
Eye redness or discharge

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How is Neonatal Herpes Diagnosed?

Diagnosing neonatal herpes involves a combination of clinical evaluation, laboratory tests, and imaging studies to confirm herpes simplex virus (HSV) infection and determine the extent of the disease. Early diagnosis is critical to begin antiviral treatment and reduce the risk of serious complications.

Diagnostic tests may include:

HSV PCR (Polymerase Chain Reaction): Detects herpes simplex virus DNA in blood, cerebrospinal fluid (CSF), or lesion samples.
Viral Culture: Identifies the virus from skin blisters or other affected tissues.
Blood Tests: Evaluate infection markers and assess liver function.
Lumbar Puncture (Spinal Tap): Examines cerebrospinal fluid if central nervous system infection is suspected.
Eye Examination: Performed when eye involvement is suspected.
Imaging Studies: MRI or CT scans may be recommended to assess brain involvement in severe cases.

What are the Treatment Options for Neonatal Herpes?

Treatment of neonatal herpes primarily involves antiviral medications, such as acyclovir, which can significantly reduce morbidity and mortality if administered promptly. The treatment duration and approach may vary depending on the severity and location of the infection. In cases involving severe organ involvement, intravenous antiviral therapy is often warranted.

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What are the Complications of Neonatal Herpes?

Neonatal herpes can lead to severe complications if left untreated. These may include encephalitis, which is inflammation of the brain, and disseminated infection affecting multiple organs. Both conditions are life-threatening and require immediate medical intervention. Long-term complications may also arise, such as developmental delays or neurological deficits.

How Can Neonatal Herpes Be Prevented?

Preventing neonatal herpes primarily involves managing maternal herpes infections during pregnancy. Pregnant women with known HSV infections are often monitored closely, and antiviral therapy may be recommended in the later stages of pregnancy to reduce viral shedding. In cases of active genital herpes lesions at the time of labour, a cesarean delivery is typically advised to prevent neonatal transmission.

Understanding the complexity of neonatal herpes underscores the importance of early intervention and preventive strategies. By recognizing the causes, transmission pathways, and symptoms, healthcare providers can better manage and mitigate the risks associated with this condition, ensuring the health and safety of the newborn. For further information or support, consult with a healthcare professional or relevant healthcare authority specializing in neonatal care.

How is Neonatal Herpes Transmitted?

The transmission of neonatal herpes predominantly occurs during the birthing process. The virus can be present in the birth canal, and an infant can contract it while passing through. Less commonly, HSV can be transmitted in utero (congenital herpes) or postnatally, primarily through close contact with a person who has an active herpes infection.