Ikinyere cy'umunywanyi, kizwi kandi nka otitis externa, ni indwara yibasira uruhu rwo hanze rw'urukwendo rw'amatwi. Iterwa n'ubwiyongere bw'umwuka n'ubushuhe, bikunze kuvamo kwogera cyangwa kwirambika mu mazi, bikongerera akamaro k'uturemangingo twigufi tw'ibyo. Ibinyere by'umunywanyi bitera ububabare, kwishimagura, kwiyongera kwa sikorori, kandi rimwe na rimwe bikagera no kwumva ibintu bidahari.
Mu gihe indwara yo mu gutwi rimbere, izwi nka otitis media, yibasiye umwanya wa gakondo utwi, cyane cyane urumva rw'amazi rujya mu gutwi, kandi akenshi iterwa n'ibicurane cyangwa allergies. Kuri izo indwara zo mu gutwi rimbere bikunze gutera ububabare, kugabanuka kw'ubumenyi bwo kumva, ndetse rimwe na rimwe bikaba byatera n'ibicurano.
Imperezo z'ibinyere n'indwara zo mu gutwi rimbere ziba zitandukanye. Imperezo z'ibinyere bifite ububabare bwinshi kandi bikenera ibinure byerekana ko ibyo birimo antipyretics na antiseptics bikoreshwa mu guhanagura urukwendo rw'amatwi, mu gihe imperezo z'indwara zo mu gutwi rimbere zifite ibinure by'ibinyabuzima byerekana ko bikoreshwa mu gutera mu gutwi rimbere bikoreshwa mu guhanagura urukwendo rw'amatwi, bikazana ibyuma by'umubiri.
