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Inflammation of the pharynx (pharyngitis) or tonsils (tonsillitis) result in what is commonly referred to as a sore throat. It can be a symptom of many medical disorders. The throat, with its ring of lymph tissue, is the first line of defense against external troublemakers whether they are environmental, physical or microbial. Viral and bacterial infections cause the majority of problems.
Viral |
Bacterial |
Other Causes |
| Most common for all ages and all seasons. | Most common bacterial cause is streptococcus (Strep)infection. | Allergies: the same pollens, molds and danders that irritate the nose and eyes can irritate the throat. |
| Highly contagious and spreads quickly. | It accounts for ~10% of infectious sore throats in adults. | Drainage from above: postnasal drip from colds or bacterial sinus infections. |
| Often accompanied by a stuffy/runny nose, cough, and fever <102°. | Onset is usually sudden. Often accompanied by fever >101°, pus on the tonsils and swollen neck glands. Usually no cough or nasal symptoms. | Irritation from below: reflux of acid from the stomach. |
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Most frequent causes:
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Other bacterial causes:
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Dryness: indoor air especially in the winter can irritate the throat as can mouth breathing due to nasal congestion. |
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Can be part of the presentation of:
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Generally respond to antibiotics that can shorten the illness. | Pollution: outdoor and indoor pollutants such as smog and smoke. |
| No specific antiviral treatment is effective. | Smoking: tobacco or other substances. | |
| Strain: prolonged yelling or coughing. |
For most sore throats there is no specific treatment that will cure the problem. Bacterial infections are an exception. Always finish the entire prescription of antibiotics. The last few pills kill the toughest germs.
Sore throats due to allergy usually respond to antihistamines (loratadine=Claritin and diphenhydramine=Benadryl are over-the counter versions) or steroid nasal sprays (prescription medications).
Viral sore throats respond only to time. The inappropriate use of antibiotics is fueling the increase in drug-resistant bacteria.