Antihistamines or histamine drug-resistant is another group that has a very high rate in the country. By antihistamines that are most popular is chlor pheniramine (chlorpheniramine), also called yellow pigment allergy medication. Sometimes called the brief that the CPM is ideal for allergy sufferers in nasal allergic disease, especially for regularly include nasal congestion, sneezing, itchy nose and runny nose which is greater or more frequently. When faced with a substance such as pollen, dust mites we are allergic to mold spores, etc. One of the reasons that antihistamines yellow pigments are known and popular, this type of drug consumption, it is affordable (cheap). The disadvantage of this drug that is commonly known, is a sleepy, so. This medication must alert drug users should beware of banning driving or working machinery to cause an accident.