Patients with itchy eyes, sneezing, runny nose and other uncomfortable symptoms may be caused by allergies, but also may be caused by two diseases together, such as the common cold complicating conjunctivitis. Some patients due to the body is more special, to pollen, dust, dust mites and other substances are prone to allergic reactions, if you do not usually do a good job of protection, resulting in these allergenic substances invade the nasal cavity, eyes and other parts of the patient allergic reaction, resulting in itchy eyes, sneezing, runny nose and other uncomfortable symptoms. In addition, itchy eyes sneezing runny nose this phenomenon may be the result of two diseases, such as when viruses or bacteria invade the human body triggered by the common cold, the onset of the early onset of sneezing runny nose and other phenomena may occur, if it happens to be stained with germs rubbing the eyes of the hand, may cause conjunctivitis, leading to the patient to appear in the eyes itchy symptoms. It is recommended that patients with significant ocular discomfort consult a doctor to evaluate their condition and follow the doctor’s instructions for treatment.