analgesic
/ænˈæl.dʒɛs.ɪk/Definitions
1. adjective
relieving or intended to relieve pain
“She took an analgesic to alleviate her headache.”
2. noun
a substance or agent that relieves or reduces pain, especially a medication used to alleviate pain
“The doctor prescribed an analgesic to help with the patient’s post-operative discomfort.”