Before receiving Rituxan, tell your doctor if you: 1  Have had a severe infusion reaction to Rituxan in the past. 2  Have a history of other medical conditions including: Heart problems. Irregular heartbeat. 3  Have had an infection, currently have an infection, or have a weakened immune system.
Usurpation. The illegal encroachment or assumption of the use of authority, power, or property properly belonging to another; the interruption or disturbance of an individual in his or her right or possession.
Definition of Constipation. 1  irregular and infrequent or difficult evacuation of the bowels; can be a symptom of intestinal obstruction or diverticulitis.  the act of making something futile and useless (as by routine)