How to Say "Conjunctivitis" in Japanese

結膜炎

ketsumakuen[ke̞t͡sɨma̠kɯ̟ẽ̞ɴ]

The English phrase conjunctivitis is translated into Japanese as 結膜炎 (ketsumakuen).

結膜炎 is the term used to describe the inflammation of the conjunctiva.

Meaning: inflammation (noun)

How do you pronounce it?

ketsumakuen

When reporting 結膜炎 at a Japanese school, students may be issued a 'certificate of infectious disease' to justify their absence, as it is treated with strict public health protocols.
In a medical context, the character 炎 (en) is used for 'inflammation' because it visually represents a flame, suggesting the heat and redness of the condition.
The first part of the word, 結膜, describes the conjunctiva as a 'binding membrane', using the character 結 which also means 'to tie' or 'to knot'.

よく結膜炎を起こします。
I often get conjunctivitis.
This sentence is useful for saying that you often get 結膜炎.
Tatoeba #192784 by bunbuku, translation #29950 by CM
結膜炎のせいで目が痒い。
My eyes are itching because of conjunctivitis.
This sentence is useful for explaining that your eyes itch because of 結膜炎.
Tatoeba #9699045 by Sim5634, translation #9986849 by tsp_2
申し訳ありませんが、結膜炎（けつまくえん）の症状が出ており、診察をお願いしたいのですが。
I'm sorry, but I have symptoms of conjunctivitis and would like to request an examination.
結膜炎はとても痛いです。
Ketsumakuen wa totemo itai desu.
Conjunctivitis is very painful.

A man asks a woman about her eye condition.

大翔 Hiroto

陽葵さんの目はどうしたんですか？
Himari-san no me wa doushita n desu ka?
What happened to your eye, Himari?
陽葵 Himari

結膜炎になってしまいました。
Ketsumakuen ni natte shimaimashita.
I have developed conjunctivitis.
大翔 Hiroto

それは大変ですね。お大事に。
Sore wa taihen desu ne. Odaiji ni.
That sounds tough. Please take care.
陽葵 Himari

ありがとうございます。
Arigatou gozaimasu.
Thank you.

Sources

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