Koreans use it when they have a headache or feel pain in their head and need to explain their condition.
Yes. "머리가 아파요 (meoriga apayo)" is polite and natural. You can also say "머리가 아파 (meoriga apa)" casually.
You can say "My head hurts" — 머리가 아픕니다 (meoriga apeumnida).
머리가 아파요 means "My head hurts" / "I have a headache." 머리 (meori) = head, 가 (ga) = subject marker, 아프다 → 아파요 (apeuda → apayo) = to hurt → polite form. Very common at hospital, pharmacy, or talking to friends/family.
1. At hospital: Explain symptom to doctor.
2. Daily life: Tell friends you have headache.
3. Pharmacy: Ask for headache medicine.
My head hurts. Since this morning.
My head hurts. Do you have headache medicine? (Formal)
My head hurts. I want to rest a bit. (Casual)
My head hurts so much. I also have a fever.
• 두통이 있어요 (dutongi isseoyo) - I have a headache
• 배가 아파요 (baega apayo) - My stomach hurts
• 어지러워요 (eojireowoyo) - I feel dizzy