<unk>  may be classified based on the duration of symptoms into hyperacute, acute, and chronic.
Additionally,<unk>  may be classified according to the causality of the inflammation or age groups into several subtypes: infective<unk>  (bacterial and viral), neonatal<unk>  (ophthalmia neonatorum), allergic<unk> , keratoconjunctivitis sicca (dry eye syndrome), superior limbic keratoconjunctivitis, and chemical<unk> .
Conjunctivitis classification
Vertigo classification
Laryngitis classification
Pharyngitis classification
Rhinitis classification
Impetigo classification
Dermatophytosis classification
Mastoiditis classification