an illness, often a minor one

病気(びょうき), 疾患(しっかん)
severe physical or mental pain

苦痛 (くつう), 苦悶 (くもん)
a group of medical signs that indicate a person is suffering from a particular disease or condition

症候群 (しょうこうぐん), シンドローム
characterized by severe intensity or seriousness

急性の, 鋭い
(of an illness) difficult to cure and long-lasting

慢性の, 持続性の
(of a disease) transmittable from one person to another through close contact

感染性の, 伝染性の
unable to breathe easily

息切れの, 息を呑むような
unable to keep one's balance and feeling as though everything is circling around one, caused by an illness or looking down from a high place

めまいのする (memai no suru), ふらふらする (furafura suru)
resulting in death

致命的な, 死亡をもたらす
having or caused by a fever

発熱している, 熱のある
(of a part of the body) unusually large, particularly because of an injury or illness

腫れた(はれた), 腫 swollen(はれ swollen)
a disease that causes shortness of breath and difficulty in breathing

喘息(ぜんそく), アスベスト(あすべすと)
a dangerous disease among birds, especially poultry, that can be transmitted to humans and sometimes kill them

鳥インフルエンザ, 鳥のインフルエンザ
an infectious disease caused by a type of virus called coronavirus that causes fever, tiredness, a cough, etc., and in some cases can kill, originated in China and later became a pandemic

コロナウイルス感染症(COVID-19), COVID-19(コロナウイルス感染症)
a medical condition in which body waste turns to liquid and comes out frequently

下痢(げり), 軟便(なんべん)
an illness that causes a runny nose and watery eyes, caused by dust from plants that come into the body through the air

花粉症(かふんしょう), アレルギー性鼻炎(アレルギーせいびえん)
the virus that causes a very dangerous disease called AIDS, transmitted through blood or sexual activity

HIV(エイチアイブイ), ヒト免疫不全ウイルス(ひとめんえきふぜんウイルス)
a contagious disease that causes high fever and small red spots on the body, common in children

麻疹(はしか), 麻疹(ましん)
a dangerous disease spread by rats that causes fever and swellings, often kills if infected

ペスト, 疫病
a dangerous condition in which a person loses consciousness as a result of a blood vessel breaking open or becoming blocked in their brain, which could kill or paralyze a part of their body

脳卒中(のうそつちゅう), 脳血管障害(のうけっかんしょうがい)
a swollen area on the skin filled with liquid, caused by constant rubbing or by burning

水疱(すいほう), 膨疹(ぼうしん)
a swollen area under the skin, usually caused by a sickness or injury

こぶ, 腫れ(はれ)
a part of one's skin covered with red spots, which is usually caused by a sickness or an allergic reaction

発疹(はっしん), 湿疹(しっしん)
a mark that is left on one's skin after a wound or cut has healed

傷跡 (きずあと), 瘢痕 (はんこん)
an area of one's body that has become unusually larger, caused by an injury or sickness

腫れ (はれ), 膨張 (ぼうちょう)
a situation in which a person suddenly falls down or loses consciousness because of tiredness or an illness

崩壊 (ほうかい), 失神 (しっしん)
a feeling of extreme tiredness that is usually caused by physical or mental overwork or exercise

疲労(ひろう), 疲れ(つかれ)
a crack or break in a bone or other hard substance

骨折 (こっせつ), ひび
to regain health after an illness or become successful again after facing difficulties

立ち直る, 復活する
to state that one feels ill or one's body part is in pain

訴える (うったえる), 苦しむ (くるしむ)
to suddenly lose consciousness from a lack of oxygen in the brain, which is caused by a shock, etc.

気絶する, 失神する
to transmit a disease to a person, animal, or plant

感染させる, 伝染させる
someone who cannot stop taking, using, or smoking a substance

依存症者 (いぞんしょうしゃ), 中毒者 (ちゅうどくしゃ)
a person or animal that carries a disease, without suffering from it themselves, and transmits to other people or animals

保菌者(ほきんしゃ), キャリア
the rapid spread of an infectious disease within a specific population, community, or region, affecting a significant number of individuals at the same time

流行病(りゅうこうびょう), 疫病(えきびょう)
a disease that spreads across a large region or even across the world

パンデミック, 疫病
the unexpected start of something terrible, such as a disease

発生, 流行
(biology) a small organism that lives on or inside another organism, called a host, and is dependent on it for nutrition and growth

寄生虫 (きせいちゅう), 寄生生物 (きせいせいぶつ)
a brief shaking movement of one's body as a result of fear or being cold

震え(ふるえ), シヴァー(しぶぁー)
exhausted because of too much physical work

疲れ切った (つかれきった), ヘトヘトな (へとへとな)
having difficulty breathing through one's nose, often due to a cold or allergy

鼻詰まりの, 通鼻困難な
