Signs that it's time to deworm.

In adults, parasitic worm infections can be asymptomatic for extended periods, manifesting only with vague symptoms such as bloating, nausea, or unexplained weight loss.

Doctors remove numerous worms from the intestines of a child patient in Ho Chi Minh City. Photo: Provided by the hospital .

According to Biologyinsight , for adults, the frequency of deworming depends on the risk of parasitic infection, living environment, and health signs, rather than being based on a fixed timeframe.

How often should adults be dewormed?

The frequency of deworming in adults depends on where they live and their individual risk level. The World Health Organization (WHO) and many public health agencies only recommend routine deworming for communities living in areas with a high prevalence of soil-transmitted helminth infections.

Specifically, if the infection rate in the community exceeds 20%, deworming can be done once a year; if it is 50% or higher, the frequency can be increased to twice a year, or approximately every 6 months.

Besides living environment, the risk of parasitic infections in adults is also related to occupation and eating habits. People working in agriculture, livestock farming, sanitation, or those who frequently come into contact with soil are at higher risk of exposure. Eating raw or undercooked meat and fish can also increase the risk of parasitic infections such as tapeworms or roundworms.

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For individuals who frequently travel to or temporarily reside in areas where parasites are endemic, a doctor may consider prescribing prophylactic deworming. However, this is an individualized decision, based on exposure circumstances, medical history, and specific symptoms.

Warning signs that require early examination and treatment.

Many cases of parasitic worm infections can be asymptomatic and go unnoticed. However, there are signs that indicate a person needs deworming or even a medical check-up early, rather than delaying treatment.

Persistent digestive symptoms are among the most common signs, including chronic diarrhea, bloating, gas, nausea, or abdominal pain that doesn't improve after about two weeks. If worms or tapeworm segments are visible in the stool, this is almost certainly evidence of an active parasitic infection.

In addition to gastrointestinal manifestations, some systemic symptoms can also suggest parasitic infections, such as unexplained weight loss despite normal eating habits, or anemia caused by prolonged parasitic blood poisoning.

Specifically for pinworm infection – a fairly common parasite worldwide – the typical symptom is anal or perianal itching, especially intense at night, when the female worms migrate out to lay eggs.

Patients should also seek medical attention if they experience persistent itchy red rashes that appear as winding lines or resemble "worm-like" tracks under the skin. This could be a sign of hookworm larvae migrating under the skin, a condition that requires proper diagnosis and treatment.

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Source: https://znews.vn/dau-hieu-den-luc-can-xo-giun-post1663011.html