Prevent Ask others to cover their mouth and nose when coughing or sneezing, wash your hands more often, don't touch your face, don't share toothbrushes and glasses, and avoid direct contact with communicable objects like doorknobs. 50 mg twice a day for 3-5 days, started as soon as the cold symptoms begin. Vitamin C 100 to 250 mg. Flu Symptoms Fever, headache, sore throat, dry cough, runny nose, muscle aches, tiredness and weakness. A cough may continue for several weeks.
Symptoms usually come on very suddenly.
Prevent Ask others to cover their mouth and nose when coughing or sneezing, wash your hands more often, don't touch your face, don't share toothbrushes and other toiletries, and avoid direct contact with communicable objects like doorknobs. 75 mg 2X a day for about 5 days Zinc lozenges have been touted for treating colds, but they have a checkered history. Several metanalyses of zinc lozenges show no effect, possibly because of the contradictory effects from different lozenges. Because of the fast onset of activity seen with zinc tablets, it is highly likely that ionic zinc directly stops the replication of rhinoviruses. We do not recommend taking zinc at doses higher than the MDR of 15 mg a day for more than five days when treating cold symptoms.