- Nasal congestion
Nasal congestion is a stuffy nose, and can be accompanied by blocked ears, sore throat, and more.
- Hay fever
Hay fever, an allergic reaction to outdoor pollens and molds, causes nasal congestion, itchy eyes, and more.
- Acute sinusitis
Acute sinusitis, an inflammation of the sinuses, causes sinus pain and tenderness, facial redness and more.
- Indoor allergens
Indoor allergens are the things that cause an allergic reaction: dust, dust mites, mold, pet hair and more.
- Irritable bowel syndrome
Irritable bowel syndrome is a common condition that causes painful spasms and cramping in the large intestine.
- Dietary changes
Symptoms of dietary changes vary depending on the problem, they include constipation, diarrhea, and more.
- Gastroenteritis
Gastroenteritis is inflammation of the stomach and intestine that causes diarrhea and vomiting.
- Nasal polyps
Nasal polyps, sacs of inflamed tissue in the nasal passages, can cause cold symptoms, snoring, and more.
- Nonallergic rhinitis
Non-allergic rhinitis causes congestion, sneezing, runny nose, or itchy red eyes for no apparent reason.
- Respiratory syncytial virus
Respiratory syncytial virus (RSV) is a virus that causes symptoms similar to the common cold.
- Foreign object in the nose
Symptoms of a foreign body in the nose include trouble breathing, pain, discharge, and bleeding.
- Colon cancer
Colon cancer is often asymptomatic, but it can cause constipation, bowel obstruction, bloody stool and more.
- Whooping cough
Whooping cough, a contagious respiratory infection, causes a runny nose, a mild fever, and a severe cough.
- Ricin poisoning
Ricin is a dangerous poison in castor beans, and causes trouble breathing, nausea, fever and sweating.
