An enlarged spleen isnât always a sign of a problem. Sometimes the spleen becomes overactive at removing red blood cells, which is known as hypersplenism. Other illnesses can cause the spleen to become many times its normal size. Conditions that may cause this include: 1  Viral infections like glandular fever (viral mononucleosis or âmonoâ). 2  Cirrhosis and other liver disease. 3  Blood cancers such as lymphoma and leukaemia. 4  Parasitic infections such as toxoplasmosis.
nasal decongestant - a decongestant that provides temporary relief of nasal symptoms of the common cold and rhinitis and upper respiratory infections. Actifed - trade name for a drug containing an antihistamine and a decongestant; used to treat upper respiratory conditions and minor allergies.
The nasal cycle is the often unnoticed alternating partial congestion and decongestion of the nasal cavities in humans and other animals. It is a physiological congestion of the nasal concha, also called the nasal turbinate, due to selective activation of one half of the autonomic nervous system by the hypothalamus.