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PubMed This is a summary of 14 peer-reviewed journal articles Updated
Pediatric Infectious Disease

Long-Term Survivorship: What to Expect After Birth

At a Glance

Children born with congenital toxoplasmosis require long-term medical surveillance, even if they have no symptoms at birth. Care involves a full year of medication and ongoing monitoring by specialists to catch and treat any late-appearing eye, neurological, or hearing issues.

For parents of a baby with congenital toxoplasmosis, the first year is often focused on active treatment. However, the medical journey continues well beyond that initial year. While many children grow up healthy and meet all their developmental goals, long-term monitoring is the standard of care to ensure any late-appearing issues are caught and managed early [1][2].

Even babies who have no symptoms at birth (asymptomatic) require regular check-ups and a full year of treatment because the parasite can remain “dormant” in the body and may cause severe eye or neurological issues years later if left untreated [1].

The Core Specialty Team

Managing your child’s health is a team effort. You should expect to work closely with three primary types of specialists:

  1. Pediatric Infectious Disease Specialist: Usually the “lead” doctor who manages the medication dosages and monitors the overall progress of the infection [3].
  2. Pediatric Ophthalmologist: A doctor specialized in children’s eye health. They look for signs of retinochoroiditis (inflammation and scarring of the retina) [1][4].
  3. Pediatric Neurologist: A specialist who monitors the brain and nervous system, especially if there were signs of hydrocephalus (fluid buildup) or calcifications during pregnancy [5][6].

Ocular Health: Protecting the Vision

The most common long-term concern is retinochoroiditis. This occurs when the parasite causes inflammation in the back of the eye, which can lead to scarring and vision changes [1].

  • Late Onset: These lesions can appear for the first time months or even years after birth, even in children who were treated as infants [4].
  • Surveillance: This is why eye exams are so frequent. Regular check-ups allow doctors to identify new lesions early and start treatment to protect the child’s vision [7][8].

Growth and Development

Monitoring your child’s developmental milestones—such as when they first sit up, crawl, talk, and interact—is a vital part of long-term care.

  • Neurological Milestones: Some children may experience delays in motor skills or cognitive development, especially if the infection was severe at birth [9][10].
  • Hearing Screening: There is a potential link between congenital toxoplasmosis and sensorineural hearing loss. Standard care often includes at least one formal hearing test in the first year to ensure the child’s hearing is developing normally [11].

What Surveillance Looks Like

While every hospital has its own specific schedule, you can generally expect a rhythm like this:

  • First Year: Monthly blood tests (if on medication), eye exams every 3 to 6 months, and regular developmental screenings with your pediatrician [1][12].
  • Childhood and Adolescence: Annual or bi-annual eye exams are typically recommended throughout childhood, as the risk of new eye lesions persists into adulthood [1][7].

It is completely normal to feel “surveillance fatigue” or anxiety leading up to these appointments. Remember that each check-up is a tool to ensure your child remains healthy. By staying consistent with these visits, you are giving your child the best possible opportunity for a thriving, healthy future [13][14].

Common questions in this guide

Who manages a child's care for congenital toxoplasmosis?
Care is typically managed by a team of pediatric specialists. A pediatric infectious disease specialist leads the medication management, while a pediatric ophthalmologist and pediatric neurologist monitor long-term eye and brain development.
Why do babies without symptoms still need treatment for congenital toxoplasmosis?
Even asymptomatic babies require a full year of treatment because the parasite can remain dormant in the body. If left untreated, the dormant infection can cause severe vision or neurological complications months or years later.
What eye problems can occur later in life from congenital toxoplasmosis?
The most common long-term concern is retinochoroiditis, which is inflammation and scarring of the retina. Because these lesions can appear for the first time years after birth, regular eye exams are critical to protect your child's vision.
How often will my baby need medical check-ups in the first year?
During the first year, you can expect monthly blood tests if your child is on medication, eye exams every 3 to 6 months, and regular developmental screenings. Your child will also likely need at least one formal audiology exam to screen for hearing loss.
Will my child need eye exams after their first birthday?
Yes, annual or bi-annual eye exams are typically recommended throughout childhood and into adulthood. This ongoing surveillance is necessary because the risk of new retinal lesions persists as the child grows.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.Who will be the 'lead' coordinator for our child's care—the infectious disease specialist or our pediatrician?
  2. 2.How often should we schedule eye exams with the pediatric ophthalmologist during the first year, and then throughout childhood?
  3. 3.What specific developmental milestones should we be watching for that might indicate a need for a neurology consult?
  4. 4.Since hearing loss can be a risk, when should we schedule the first formal hearing test (audiology exam)?
  5. 5.Are there specific 'eye-related' symptoms (like unusual eye movements or redness) that should trigger an immediate call to the office?

Questions For You

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References

References (14)
  1. 1

    Ocular Outcome of Brazilian Patients With Congenital Toxoplasmosis.

    Lago EG, Endres MM, Scheeren MFDC, Fiori HH

    The Pediatric infectious disease journal 2021; (40(1)):e21-e27 doi:10.1097/INF.0000000000002931.

    PMID: 33060522
  2. 2

    Congenital Toxoplasmosis: A Review.

    Hampton MM

    Neonatal network : NN 2015; (34(5)):274-8 doi:10.1891/0730-0832.34.5.274.

    PMID: 26802827
  3. 3

    Maternal and Congenital Toxoplasmosis: Diagnosis and Treatment Recommendations of a French Multidisciplinary Working Group.

    Peyron F, L'ollivier C, Mandelbrot L, et al.

    Pathogens (Basel, Switzerland) 2019; (8(1)) doi:10.3390/pathogens8010024.

    PMID: 30781652
  4. 4

    [Ocular toxoplasmosis in infants 0 to 12 months of age with congenital toxoplasmosis].

    González V L, Cardozo S O, Samudio A M, Mesquita R M

    Revista chilena de infectologia : organo oficial de la Sociedad Chilena de Infectologia 2022; (39(3)):265-272 doi:10.4067/s0716-10182022000200265.

    PMID: 36156688
  5. 5

    Congenital toxoplasmosis with severe neurological disease in a referral hospital in Peru.

    Maquera-Afaray J, Luna-Vilchez M, Salazar-Mesones B, et al.

    Revista peruana de medicina experimental y salud publica 2022; (39(2)):208-213 doi:10.17843/rpmesp.2022.392.10897.

    PMID: 36477322
  6. 6

    Outcomes of hydrocephalus secondary to congenital toxoplasmosis.

    McLone D, Frim D, Penn R, et al.

    Journal of neurosurgery. Pediatrics 2019; (24(5)):601-608 doi:10.3171/2019.6.PEDS18684.

    PMID: 31491752
  7. 7

    Risk factors for recurrences and visual impairment in patients with ocular toxoplasmosis: A systematic review and meta-analysis.

    Cifuentes-González C, Rojas-Carabali W, Pérez ÁO, et al.

    PloS one 2023; (18(4)):e0283845 doi:10.1371/journal.pone.0283845.

    PMID: 37011101
  8. 8

    Asymmetric eye size in an infant.

    Edwards BD, Vayalumkal JV, Chawla R, et al.

    Journal of the Association of Medical Microbiology and Infectious Disease Canada = Journal officiel de l'Association pour la microbiologie medicale et l'infectiologie Canada 2020; (5(3)):187-192 doi:10.3138/jammi-2020-0006.

    PMID: 36341312
  9. 9

    Mesial Temporal Lobe Epilepsy in Congenital Toxoplasmosis: A Case Report.

    Jeong WK, Joo BE, Seo JH, et al.

    Journal of epilepsy research 2015; (5(1)):25-8 doi:10.14581/jer.15007.

    PMID: 26157672
  10. 10

    Microcephaly Resulting From Congenital Toxoplasmosis: What the Radiologist can Expect to See? A Case Report.

    Salma M, Soumia EG, Ihssan HH, et al.

    Radiology case reports 2024; (19(12)):6657-6661 doi:10.1016/j.radcr.2024.09.079.

    PMID: 39430228
  11. 11

    Hearing Disorders in Congenital Toxoplasmosis: A Literature Review.

    Corrêa CC, Maximino LP, Weber SAT

    International archives of otorhinolaryngology 2018; (22(3)):330-333 doi:10.1055/s-0037-1605377.

    PMID: 29983776
  12. 12

    High Frequency of Bone Marrow Depression During Congenital Toxoplasmosis Therapy in a Cohort of Children Identified by Neonatal Screening in Minas Gerais, Brazil.

    Carellos EVM, de Andrade JQ, Romanelli RMC, et al.

    The Pediatric infectious disease journal 2017; (36(12)):1169-1176 doi:10.1097/INF.0000000000001561.

    PMID: 28151845
  13. 13

    One severe case of congenital toxoplasmosis in China with good response to azithromycin.

    Li J, Zhao J, Yang X, et al.

    BMC infectious diseases 2021; (21(1)):920 doi:10.1186/s12879-021-06619-1.

    PMID: 34488656
  14. 14

    Evaluation of the impact of the first evidence-based guidelines for congenital toxoplasmosis in Armenia (Quindío) Colombia: An observational retrospective analysis.

    Mejia-Oquendo M, Marulanda-Ibarra E, Gomez-Marin JE

    Lancet regional health. Americas 2021; (1()):100010 doi:10.1016/j.lana.2021.100010.

    PMID: 36776756

This page provides educational information about long-term monitoring for congenital toxoplasmosis. Always consult your child's pediatrician and specialist team for specific medical guidance and surveillance schedules.

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