Frogs can be completely killed by boiling them in boiling water for 5 minutes, so that there will be no parasites in the cooked frogs.

The eggs of the parasite Sparganoma mansoni are swallowed by water fleas, and the water fleas carrying the parasites are then swallowed by tadpoles, or the eggs are directly swallowed by tadpoles, and then grow up with the tadpoles at the same time. Sparganoides often migrate to the muscles of frogs, especially in the thighs and calves. They have strong vitality and will not die under ordinary stir-frying.

Accidental ingestion of these parasites can cause sparganosis mansoni. The most common clinical condition is ocular sparganosis, which manifests as eyelid redness and swelling, conjunctival congestion, photophobia, tearing, slight pain, extreme itching or Feeling like crawling insects. Sometimes spargan parasites invade the eyeball, causing exophthalmos, eye movement disorders, severe corneal ulcers, and even cataracts, leading to blindness. The most serious form is cerebral sparganosis, which clinically resembles a brain tumor and can lead to paralysis.

Extended information

For the prevention of parasites, we must prevent "diseases from entering the mouth" and cannot take chances. Even if you do not drink raw water for a long time, as long as you drink raw water Water, eating undercooked snake meat, frogs, etc. may be at risk of being infected with parasites, because these animals are the most suitable for parasites to lodge.

“Cooking food rather than eating it raw is the most effective and convenient way to deal with parasites.” Generally, patients infected with parasites are related to eating raw or undercooked food. As long as you ensure that food is cooked and cooked thoroughly, you can effectively avoid parasitic infections.

China Ningbo Net - There are sparganas in frogs (the last sentence of the fifth paragraph from the bottom is the main answer)

People's Daily - Eat raw or undercooked food, be careful of parasites "coming to your door" ”