Blastocystis Hominis Skin Infection

Does blastocystis hominis skin infection go away?

Blastocystis is a condition that is caused by the parasite, Blastocystis ‘hominis.' The parasite lives in the small intestine and is passed out in the feces, surviving in the environment for long periods. Does blastocystis hominis skin infection go away? Blastocystis hominis infection is unpredictable, but does appear to come and go.

Blastocystis is found in every region in the United States and worldwide.

How is Blastocystis hominis contracted?

The Blastocystis hominis infection parasite lives inside the intestines of the host, infecting humans and animals including dogs, cats, horses, cattle, and pigs.

Blastocystis hominis is found in soil, food or water that has been contaminated by the feces of infected animals. It's contracted by being swallowed, usually during the consumption of infected water or unwashed fruit and vegetables. You can also pick up Blastocystis hominis from bathroom fixtures, changing tables, diaper pails or kids toys that have been contaminated.

Symptoms of Blastocystis hominis

A Blastocystis hominis infection produces a number of gastrointestinal symptoms including:

  • diarrhea
  • constipation
  • abdominal pain
  • excessive flatulence or gas
  • greasy stools that are inclined to float
  • stomach upsets and nausea

You may also feel tired and achy and you could also develop a skin infection or rash. The symptoms don't appear until some months or even years following infection. Some people suffer from an acute attack of Blastocystis hominis when the symptoms last for a few weeks only. Others may have indefinite duration symptoms and the condition is classed as ‘chronic'.

Diagnosis and treatment of Blastocystis hominis

If you think you may be infected with Blastocystis hominis, you should consult your doctor immediately. You will be asked to provide a stool sample, which will be analyzed for evidence of the parasite.

Although there is currently no treatment for Blastocystis hominis that is FDA approved, some success has been achieved through the use of a variety of drugs, including Flagyl, which your doctor will prescribe for you. Blastocystis hominis skin infection and rashes can be treated with soothing antibiotic and anti-inflammatory creams.

Some sufferers have had success in treating Blastocystis hominis with colon cleanses or coffee enemas. Blastocystis hominis are adept at burrowing into the mucus that lines the intestines, making the parasites extremely difficult to detect and remove. Enemas and cleansers strip away the old mucus, removing the parasites at the same time.

Many people continue to show symptoms of an infection for many years until the problem resolves itself.

Preventing Blastocystis hominis infections

Blastocystis hominis is transmitted through contaminated water and by fecal-oral transmission. You can take the following steps to prevent infection.

Prevention steps include

Filter all your drinking water and never drink rain water, stream, lake or well water, unless you filter it first.

  1. Do not use ice made from unfiltered water to cool your drinks; use bottled or filtered water instead.
  2. Wash all uncooked fruit and vegetables in filtered water before you eat it.
  3. After using the bathroom, always wash your hands thoroughly with antibacterial soap and water, especially before preparing or eating food.
  4. If you are caring for incontinent adults or children in diapers, always wear gloves and wash your hands thoroughly after you have finished assisting with toileting.
  5. Be sure to wash your hands thoroughly after touching anything that may be contaminated, including garbage cans, cleaning cloths, soil etc.
  6. Wash your hands thoroughly after handling livestock and pets, and be very careful not to put your fingers near your mouth until you've washed. Be sure to wash children's hand too if they have been playing outside in the garden or with pets.

If you or your children are suffering from diarrhea, don't go swimming in public pools or water sources where others are bathing. Before entering recreational water, shower yourself and your children with soap and water, paying particular attention to washing diaper-aged youngsters' bottoms. This will prevent the spread of Blastocystis hominis to others.


Blastocystis hominis is a troublesome parasite that is easily ingested in contaminated water. Follow the guide above to prevent infection, and always consult your doctor if you think you or your children may have been infected.

Last Reviewed:
August 21, 2017
Last Updated:
October 17, 2017
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