Cough medicine: a drug or preparation used to suppress coughing. Common forms include tablets, syrups, and lozenges.
昨夜は咳がひどくて、咳止めを飲んだ。
My cough was bad last night, so I took a cough medicine.
子ども用の咳止めは用法・用量を守ってください。
Please follow the directions and dosage for children's cough medicine.
薬局で咳止めシロップを買ってきた。
I bought a cough syrup at the pharmacy.