Some reasons for having excess amounts of mucus, or snot, in the nose are colds and allergies. Although the lining of the nose and sinuses produce mucus continually, the flow, consistency and color tend to change, especi... More » Health Conditions & Diseases

Mucus is a sticky substance inside the body and nasal cavities that consists of antibodies, enzymes, protein and a variety of cells, according to WebMD. Mucus can be a green, yellow or clear gooey substance. More » Health Conditions & Diseases Cold & Flu

Dry, crusty mucus in the nose can be caused by upper respiratory infections, the common cold or rhinitis, which is inflammation in the nasal cavity lining, according to the Children's Health Network. Allergies, both seas... More »

The initial symptoms of measles are having a fever, coughing, painful throat, eyes that are red and excess mucus from the nose area. Approximately 3 days after these initial symptoms, white spots form inside the mouth an... More » Health Conditions & Diseases

A sore inside the nose can be caused by a common cold, a viral infection or nasal allergies, according to WebMD. An injury to the nose caused by a blow to the area or nose trimming can also cause sores inside the nostril... More » Health Conditions & Diseases

The symptoms of mold exposure resemble symptoms of other upper respiratory allergies, and include coughing, wheezing, watery eyes, runny nose and itchy eyes, nose and throat, says Mayo Clinic. The symptoms of mold exposu... More » Health Conditions & Diseases

Excess mucus draining down the back of the throat may be caused by a cold, the flu, allergies, a sinus infection or certain medications, according to WebMD. A small amount of mucus is always present in the throat, but co... More »