Medikoff Cold and Cough Relief 7.6 mg Strength Lozenge 72 per Box - 1800 Count CaseCold and Cough Relief Medikoff 7. 6 mg Strength Lozenge 72 per Box Cough drops relieve coughs, soothe sore throats and cool nasal passages. Menthol activates cold sensitive receptors (TRPM8) in the throat and nasal passages, creating a cooling effect that tricks the brain into feeling relief. Eucalyptus is a natural decongestant: It opens nasal passages and reduces swelling in the throat, making breathing easier. Each drop contains 7. 6 mg of menthol,