Syphilis treatment journey in children

Overview

Syphilis is a bacterial infection that can be passed from one person to another during sex. In children, it is most often passed from a mother to her baby during pregnancy (congenital syphilis). It can also be spread through sexual abuse. The infection can affect many parts of the body and, if not treated, can cause serious health problems. The good news is that syphilis can be cured with the right medicine.

Syphilis in children is not common, but it still happens, especially when a mother has untreated syphilis during pregnancy. Many countries have programs to test pregnant women to prevent this.

This condition affects children of all ages, but most cases are in newborns from mothers with syphilis. Older children can get it through sexual abuse or, rarely, through close contact with an infected person's sores.

Symptoms

Common symptoms

• Painless sores (chancres) on the skin or mouth
• Rash, often on the palms of hands or soles of feet
• Fever, tiredness, and swollen lymph nodes

Symptoms in children

• In newborns: rash, fever, swollen liver and spleen, jaundice (yellow skin/eyes), and failure to gain weight
• Older children: similar to adults – sores, rash, and flu-like symptoms
• If not treated, later symptoms can include bone pain, vision problems, and difficulty coordinating movements

Symptoms in older adults

• Rare in older adults, but can occur
• Often presents with a rash, fever, or neurological symptoms like confusion or difficulty walking

Causes

Main causes

• Bacteria called Treponema pallidum
• Passed from an infected mother to her baby during pregnancy (congenital syphilis)
• Spread through sexual contact (in cases of sexual abuse)

Risk factors

• Mother having untreated syphilis during pregnancy
• Not getting prenatal care or syphilis testing during pregnancy
• Living in areas where syphilis is more common

When to see a doctor

See a doctor urgently if:

• If your child has a sore or rash that looks like a chancre (painless sore), especially if you know the mother had syphilis or if there is concern about sexual abuse
• If a newborn has jaundice, fever, or is not feeding well

Book a routine appointment if:

• If your child has any skin sores that do not heal after a week
• If you think your child may have been exposed to syphilis (e.g., through sexual contact)

Diagnosis

Doctors usually start by asking about symptoms and doing a physical exam. They will look for sores, rash, and other signs. Then they use blood tests to confirm the infection.

Tests that may be done

• Blood test to look for antibodies against the syphilis bacteria
• Testing fluid from sores (if present) to look for the bacteria under a microscope
• In newborns, sometimes a test of the spinal fluid (called a lumbar puncture) to check if the infection has spread to the brain

What to expect at your appointment

The blood test may need to be done twice – first a screening test, and if positive, a confirmatory test. The doctor may also order tests for other infections (like HIV) because people with syphilis can have other infections too. Results usually come back in a few days.

Treatment

Syphilis is treated with antibiotics. The type and length of treatment depend on the child's age, weight, and how long they have had the infection. Treatment is very effective, especially in early stages.

Self-care at home

• Make sure the child takes all the medicine exactly as prescribed, even if they start feeling better
• Keep sores clean and covered to prevent spreading the infection to others
• Avoid close contact with anyone until the sores are completely healed and treatment is finished

Medical treatments

Treatment involves antibiotics given as a shot (injection) or through a vein (IV). For newborns, the medicine is given through a vein for up to 14 days. For older children, a single shot may be enough for early-stage syphilis. The doctor will decide which antibiotic and how many doses based on the child's specific situation. Sometimes a child may need a second course of treatment if the infection is severe or has been present for a long time.

When is surgery considered?

Surgery is not used to treat syphilis itself. In rare cases, children with late-stage syphilis may need other procedures for complications (like fixing heart valves if the infection has damaged them), but this is not part of the standard treatment journey.

Living with this condition

While on treatment, the child should rest and eat well. Most children feel better within a few days of starting medicine. It's important to finish all the medicine and go to all follow-up appointments to make sure the infection is gone.

Lifestyle tips

• Keep all doctor appointments – blood tests will check that the infection is cured
• Teach older children about safe sex to prevent future infections
• If the child has a chronic condition (like vision or hearing loss from congenital syphilis), they may need extra support at school and home

Diet and exercise

No special diet is needed. A balanced diet with plenty of fruits, vegetables, and water helps the body fight infection. Gentle activity is fine as long as the child feels well.

Mental health and emotional wellbeing

A syphilis diagnosis can be scary for both the child and family. Children may feel different or worried, especially if they have visible sores or need to miss school. It's normal to feel anxious or upset. Talking to a counselor or support group can help.

Prevention

Yes, syphilis can be prevented. The best way is to make sure all pregnant women get tested for syphilis early in pregnancy. If a mother tests positive, she can be treated right away to protect her baby. For older children, teaching about safe sex and avoiding sexual abuse are important.

Screening programmes

Pregnant women should be screened for syphilis at their first prenatal visit. In some countries, this is standard practice. For children who may have been exposed (through sexual contact or to a mother with untreated syphilis), doctors may recommend testing even without symptoms.

Complications

If left untreated

• In newborns: severe anemia, blindness, deafness, or developmental delays
• In older children: damage to the heart, brain, nerves, or bones
• Increased risk of spreading the infection to others

Long-term outlook

With prompt treatment, most children with syphilis make a full recovery and go on to live healthy lives. The key is to catch it early and complete the full course of medicine. Even if there are some lasting effects, many children do well with proper medical care and support.

Find support

Local organisations

• Your local hospital or public health department · International

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