spectinomycin hydrochloride /spek′tinōmī″sin/ , an antibiotic. ▪ INDICATIONS: It is prescribed in the treatment of gonorrhea and certain infections in penicillin-allergic patients. ▪ CONTRAINDICATIONS: Known hypersensitivity to this drug prohibits its use. ▪ ADVERSE EFFECTS: The more serious adverse effects are oliguria, urticaria, chills, fever, dizziness, and nausea.