Blastocystis Hominis, a tiny single-celled intestinal parasite, has been a subject of debate regarding its potential to cause illness in humans. This organism can be found in both individuals with healthy digestive systems and those who experience gastrointestinal symptoms. Apart from humans, Blastocystis also resides in various animals such as amphibians, mammals, and birds. Although the parasite is prevalent worldwide, developing countries tend to have a higher incidence rate. Certain studies suggest that specific types of Blastocystis are more likely to induce symptoms.
Blastocystis Hominis Symptoms
When infected with blastocystis, some individuals may experience a range of gastrointestinal symptoms. These symptoms may include watery diarrhea, vomiting, abdominal pain, nausea, fatigue, loss of appetite, bloating, and excessive gas. Additional symptoms that may be present include weight loss, constipation, and anal itching. It is important to note that there are instances where individuals with blastocystis in their stool may be exhibiting symptoms that are actually caused by another underlying condition.
Complications of Blastocystis Hominis Infection
Blastocystis hominis infection typically results in self-limiting diarrhea. However, diarrhea can lead to dehydration as the body loses vital fluids, minerals, and salts, especially in children. Dehydration can be identified by various signs in adults, including excessive thirst, minimal or no urination, dark-colored urine, dry mouth or skin, lightheadedness, dizziness, weakness, and fatigue. In children and infants, symptoms may include a dry mouth and tongue, sunken eyes, cheeks, or abdomen, crying without tears, a fever above 102°F, a dry diaper for three or more hours, and irritability, unresponsiveness, or drowsiness.