<unk>  is a topical analgesic that is FDA approved for the treatment of for the temporary relief of minor aches and pains of muscles and joints associated with arthritis, simple backache, strains and sprains.   Common adverse reactions include erythema, rash, pruritus, nausea.
Capsaicin
Zucapsaicin
Allergen
Aflatoxin
Dextrin
Neurotoxin
Chlorotoxin
Kerosene