When antibiotics are given, most of the resident bacteria are killed. With fewer bacteria to compete with, the normally harmless Clostridia difficile grow rapidly and produce toxins.

Yes, Allegra is an antibiotic that is prescribed for the relief of symptoms associated with seasonal allergic rhinitis .

Clindamycin

It means that it may not be a true ulcerative colitis but may be colitis related to some infection or antibiotic induced colitis

Gastrocolitis is a medical condition that causes inflammation of the stomach and colon. This medical condition is often referred to as colitis. It is believed that a diet that is high in protein but lacks fruits and vegetables or other fibrous foods can cause the symptoms associated with gastrocolitis.