The phrase 약을 먹다 means “to take medicine” or “to consume medication.”
Breakdown:
약 (yak) → “Medicine”
을 (eul) → Object marker
먹다 (meokda) → “To eat” or “To take”
Even though 먹다 typically means “to eat,” in this case, it refers to the act of taking medicine, whether in pill, liquid, or other forms.
Example Sentences:
약을 먹어야 해요. → You need to take medicine.
감기 때문에 약을 먹었어요. → I took medicine because of a cold.
약을 먹고 나서 좀 나아졌어요. → After taking medicine, I felt better.