Colds and hay fever almost have the same symptoms that we usually maltreat. Runny nose, swelling of the eyes, head ache and sneezing are the symptoms of the two but the difference is in spite the name of hay fever,” fever” is not included in it. People thought that the main cause of hay fever is pollen but the truth is it was caused by hay. We should recognize the difference of the two so we could deal it with the right medicine.