Acute tonsillitis can either be bacterial or viral in origin. Subacute tonsillitis is caused by the bacterium Actinomyces . Chronic tonsillitis, which can last for long periods if not treated, is mostly caused by bacterial infection.
Is the inflammation of the pharynx called sore throat that can be acute or chronic due to causative factors affecting it. It is usually precedes illness of colds and flu that doesn’t require antibiotics unless otherwise caused by bacterial infection because most disappear by their own in weeks or less.
Is the inflammation of the pharynx and tonsils due to infectious (bacterial & viral) and non-infectious (pollens, dust, mist, sandstorms) factors affecting it that can be acute, sub-acute, and chronic.
Is the inflammation of the larynx (voice box) due to overuse, irritation, infection (bacterial & viral), and non-infectious agents (mist, pollens, dews, sandstorms, dust, chemicals, smokes) that can be acute, sub-acute, and chronic.