Complex sentence: Prednisone, a corticosteroid, is commonly used as an anti-inflammatory to reduce symptoms of throat pain or enlarged tonsils, although its use remains controversial due to the rather limited benefit and the potential for side effects.
Split into simpler sentences: Prednisone, a corticosteroid, is commonly used as an anti-inflammatory to reduce symptoms of throat pain or enlarged tonsils. Corticosteroid use remains controversial due to the lack of evidence that it is effective and the potential for side effects.