liniment

embrocation, lotion, ointment, potion, poultice, salve

cure, drug, medicament, medication, medicinal, medicine, pharmaceutical, physic, remedy, specific

cure-all, nostrum, panacea

botanical, patent medicine, prescription, prescription drug

cordial, potion, tonic

miracle drug, wonder drug

cap, capsule, pill, tablet

injection, shot

syrup (also sirup), tincture

antibiotic, antiseptic, serum

cathartic, purgative