How to say "hypertension" in Japanese

• 高血圧こうけつあつCommon
  nounThe general word for high blood pressure: hypertension as a condition of elevated blood pressure, without framing it as a disease. Use it when simply saying that someone's blood pressure is high.
  塩分えんぶんの高たかい食事しょくじをとると、高血圧こうけつあつの原因げんいんになるかもしれない。↗

  Maintaining a high salt diet may contribute to high blood pressure.
• 高血圧症こうけつあつしょうCommon
  nounTreats hypertension explicitly as an illness rather than just a state of high blood pressure; it is the natural choice in medical contexts, when the condition is being diagnosed or treated as a disease.

Both words mean hypertension: use 高血圧 for high blood pressure as a condition, and 高血圧症 when you mean it specifically as an illness, the framing used in medical diagnosis and treatment.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 高血圧こうけつあつhigh blood pressure
• 高血圧症こうけつあつしょうhigh blood pressure (as an illness)