Mycosis imatanthawuza matenda oyambitsidwa ndi bowa wa microscopic: timalankhulansomatenda a mafangasi. Matenda a yisiti ndi amodzi mwa matenda akhungu.

Ngakhale zambiri zimakhudza khungu ndi mucous zimagwira ntchito zosiyanasiyana, matenda mafangasi zingakhudze ziwalo zamkati (makamaka m`mimba thirakiti, komanso mapapo, mtima, impso, etc.) ndipo kawirikawiri amanjenje dongosolo ndi ubongo. Awa ndi matenda owopsa kwambiri, mitundu ina ya matenda oyamba ndi fungus, otchedwa invasive, omwe amatha kupha.

Kuopsa kwa matenda a fungal kumawonjezeka mwa anthu omwe ali ndi chitetezo chofooka.