突とっ発ぱつ性せい発ほっ疹しん

と

っ

ぱ

つ

せ

い

ほ

っ

し

ん

Meanings

roseola; exanthem subitum; sixth disease

Medical term for a common childhood illness causing high fever followed by a rash. Also known as roseola infantum or three-day fever.

に

よく

見み

られる

ウイルス

性せい

の

病びょう

気き

です

。

Roseola is a viral illness commonly seen in infants and young children.

高こう熱ねつが下さがった後あとに、突とっ発ぱつ性せい発ほっ疹しんの特とく徴ちょう的てきな発ほっ疹しんが現あらわれました。

After the high fever subsided, the characteristic rash of roseola appeared.

風ふう疹しん
風疹 (rubella) is a different viral infection with a rash, preventable by vaccine. 突発性発疹 is caused by human herpesvirus 6/7 and is not vaccine-preventable.
麻ま疹しん
麻疹 (measles) is a more severe viral illness with cough, coryza, conjunctivitis, and a rash, preventable by vaccine. 突発性発疹 is generally milder and occurs in younger children.

突発性発疹
- とっぱつせいほっしん
  Standard medical term; the reading とっぱつせいほっしん is most common.
- とっぱつせいはっしん
とっぱつせいはっしん

Compound of 突発性 (sudden onset) + 発疹 (rash), describing the abrupt appearance of the rash after fever. The term is a modern medical coinage.