Benylin Cold &flu symptoms, fatigue and drowsiness.Dosage: Take 2 Day time capsules every 4-6 hours during the daytime. Take 2 Night time capsules at bedtime. Do not take more than 8 capsules in 24 hours. Swallow whole with water, do not chew. Do not give to children under 12 years of age and do not exceed the stated dose.