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Toxoplasmosis - Signs & Symptoms

Written by Dr. Sangamithra, MBBS | Medically Reviewed by Dr. Sunil Shroff, MBBS, MS, FRCS (UK), D. Urol (Lond) on Dec 08, 2016
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Symptoms & Signs

Toxoplasmosis passes from animals to humans, sometimes without causing any symptoms. When kids do have symptoms, they vary depending on the child's age and the immune system's response to the infection.


Congenital Toxoplasmosis:

Children born with congenital toxoplasmosis have no symptoms early in infancy, but a large percentage will show signs of infection months to years later. Some of the symptoms are:

  • Fever
  • Swollen glands
  • Jaundice
  • Unusually large or small head
  • Unusually small at birth
  • Rash
  • Bruises or bleeding under the skin
  • Anemia
  • Enlarged liver or spleen
  • Brain and nervous system abnormalities
  • Feeding difficulties
  • Hearing loss
  • Impaired vision

A healthy child who becomes infected with toxoplasmosis may have no symptoms of infection or only have a few swollen glands that usually appear in the child's neck which can be tender to the touch. This may either become larger or reduce in size over several months

Toxoplasmosis in a child with a weakened immune system:

Children whose immune system is weakened due to AIDS, cancer or medications taken after organ transplants are at high risk for severe toxoplasmosis infections. It can also result in toxoplasmic encephalitis (i.e., inflammation of the brain). Other symptoms include:

  • Fever
  • Seizures
  • Feadache
  • Psychosis (severe mental illness)
  • Problems with vision, speech, movement, or thinking

Toxoplasmosis in pregnancy

Toxoplasmosis in immunocompromised individuals and pregnant woman can result in various complications such as

  • Blindness or severe visual disability
  • Severe mental retardation
  • Other neurological manifestations
  • Learning disorders
  • Recurrence of the disease

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I have this stupid ,mfking thing for more than 6 years. Unfortunatly we live in this universe and the universal laws apply at all the levels. What can b done? if we can get in the cyst, with poison strong enogh , we can get rid of tht mfking bunch of organisms tht don't want anything alse , just to survive and reproduce. Is all bout transfering the energy, from me to them, or from outside enviroment to me to survive! Good luck apply 2!


I am healthy 37yr women, I first got toxoplasmosis in my left eye in 2005 then again in 2006 and is currently being treated for it again since June 2011.on all three occasions was treated with antibioctic and eye drops. I was first told that could return up to three times in my life, now it has return for the third time I have been told that it can return as many times as it likes, this concerns me as it has already affected my vision and I am worried i may lose my sight if it returns again . I have learnt more about it on google than I have from my eye specialist and doctor.not sure if I should get a blood test done or other test but no one has recommended that I do. now it's in the paper that it may be connected to brain cancer,dont know if it can spread from eye to brain..hope not.Had a lot of cats as a child thats seems to be when I may of come incontact with it. Rachel


Hi Rachel....I am a 43 year old woman with toxoplasmosis in my eye. It has happened twice also and I have no other real symptoms except extreme stress and aniety from a crazy divorce. I hate reading the things online because they sound so hopeless..... Did you get your whole eyesight back?

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