He was hospitalized for cholecystitis.

He was diagnosed with prostatitis.

He is suffering from the heat.

This curtain is made of fire-retardant material.

He likes to take a walk in the park at dusk.

My grandfather is suffering from arthritis.

My younger brother had an appendectomy yesterday.

My younger sister is missing school because of tonsillitis.

I went to the doctor because of sinusitis.

My father was diagnosed with uveitis.