Tukol Max Action Severe Multi-symptom relief with expectorant cough suppressant and nasal decongestant in a pleasant fruit-flavored syrup. Key benefits for your bothersome cold symptoms Dextromethorphan HBr 20 mg and Guaifenesin 400 mg provide powerful cough and chest congestion relief. Phenylephrine HCl 10 mg helps relieve nasal and sinus congestion and sinus pressure. Not for children under 12 years of age.