Medikoff Cold and Cough Relief 7.6 mg Strength Lozenge 600 per Jar - 1200 Count CaseCold and Cough Relief Medikoff 7. 6 mg Strength Lozenge 600 per Jar 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, plus eucalyptus. Compare active ingredient to Halls Cough & Throat