Nam Cold Fx Tablet belongs to the class of medications called ‘cough and cold preparations’ used in the treatment of the common cold and allergic symptoms such as the runny nose, sneezing, itchy or watery eyes and blocked nose. The common cold is a respiratory illness of the nose and throat caused by ‘rhinoviruses’. Allergies are immune system reactions to foreign bodies or allergens such as certain foods, chemicals, pet dander, or pollen.