An analgesic is a drug that reduces pain. Paracetamol, ibuprofen, and stronger hospital medicines can all be analgesics. In ordinary talk, English speakers usually just say painkiller; analgesic sounds more like a doctor or a packet leaflet.

An analgesic is a drugAnalgesic是一種藥物 that reduces pain可以減輕疼痛。Paracetamol, ibuprofen, and stronger hospital medicinesParacetamol（普拿疼）、ibuprofen（布洛芬）和更強的醫院用藥 can all be analgesics都可以是analgesic。In ordinary talk在日常說法裡，English speakers usually just say painkiller英語使用者通常只會說painkiller（止痛藥）；analgesic sounds more like a doctor or a packet leafletanalgesic聽起來比較像醫生或藥品說明書上會用的字。

As an adjective it means “that reduces pain”: analgesic cream, an analgesic effect.

As an adjective當形容詞用時 it means "that reduces pain"意思是「可以減輕疼痛的」：analgesic creamanalgesic cream（止痛藥膏）、an analgesic effectan analgesic effect（止痛效果）。

Though actually not every medicine that makes you feel better is an analgesic: antibiotics fight germs, and an anaesthetic is a different job (stopping feeling, or making you sleep). Some analgesics are mild and you can buy them in a shop; some are strong and tightly controlled.

Though actually不過其實，not every medicine that makes you feel better is an analgesic不是每種讓你感覺好一點的藥都是analgesic：antibiotics fight germsantibiotics（抗生素）是對付細菌的，and an anaesthetic is a different jobanaesthetic（麻醉劑）做的是另一件事（stopping feeling, or making you sleep讓你失去知覺，或讓你睡著）。Some analgesics are mild and you can buy them in a shop有些analgesic藥性溫和，在店裡就買得到；some are strong and tightly controlled有些則很強，管制嚴格。