How to say "first-aid" in Japanese

• 救急きゅうきゅうCommon
  nounCovers first-aid in a broad sense that extends to emergency aid; being the common word, it is the default choice when talking about emergencies and urgent help.
  救急きゅうきゅう診察しんさつを受うけるにはどこへ行いけばいいですか。↗

  Where should I go to be admitted into the emergency room?
• 応急手当おうきゅうてあて
  nounRefers specifically to first-aid treatment, the actual care given on the spot to an injured person; less common than 救急, it suits descriptions of treatment being administered.
  この講座こうざでは応急手当おうきゅうてあての基本的きほんてきな技能ぎのうを教おしえます。↗

  This course teaches basic skills in first aid.

Use 救急 for first-aid in the broad everyday sense, including emergency aid generally; use 応急手当 when you mean the treatment or measures actually given to an injured person.

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

• 救急きゅうきゅうfirst-aid
• 応急手当おうきゅうてあてfirst-aid (treatment)
• 救急法きゅうきゅうほう(knowledge of) first-aid