John Garvey is the Director of Ergonomics at a massive corporation in New England. After being diagnosed with Rheumatoid Arthritis as a teen, he has developed a passion for ergonomics and proper chair support. John reviews office chairs in his blog, hoping to help others in similar situations.
Ulcerative Colitis - When To Call a Doctor. Call a doctor immediately if you have been diagnosed with ulcerative colitis and you have: 1  Fever over 101Â°F (38.3Â°C) or shaking chills. 2  Lightheadedness, passing out, or rapid heart rate.  Stools that are almost always bloody.
Almost any infection can cause a fever, including: Bone infections (osteomyelitis), appendicitis, skin infections or cellulitis, and meningitis. Respiratory infections such as colds or flu -like illnesses, sore throats, ear infections, sinus infections, mononucleosis, bronchitis, pneumonia, and tuberculosis.