NORWALK - News 12 Connecticut is taking a closer look into the causes and complications of a sore throat.

Doctors say a sore throat is typically caused by a virus, and may dissipate on its own. However, a sore threat may also be symptomatic of strep throat or mononucleosis.

Strep throat can lead to problems with one's heart and kidneys, and should be treated quickly with antibiotics. Mono, on the other hand, usually results in sluggishness and a severe loss of energy.

Health experts say a blood test helps diagnose mono, while strep requires a throat culture test.

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