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Is Tonsillitis Contagious?
Viral caused tonsillitis is often contagious for about 7–10 days while untreated bacterial caused disease may be contagious for about 2 weeks.
However, bacterial caused tonsillitis can be treated with antibiotics and the patient usually is not contagious 24–48 hours after starting antibiotics.
When to Seek Medical Care
The majority of people that develop tonsillitis recover without medical care. Call a doctor for advice if you a person has some of the following symptoms:
Tonsillitis can develop into more serious medical conditions in some people. Anyone with tonsillitis who is drooling, unable to eat or drink, or has any breathing difficulty needs to go to a hospital's Emergency Department immediately for evaluation.
Sometimes the tonsils may swell or form a Abscess resulting in intermittent blockage of the feeding and breathing pathways. If the affected person may have difficulty breathing or eating, they should seek medical care.
Medically Reviewed by a Doctor on 11/14/2014
Joseph Lauro, MD
Erik D Barton, MD, MS
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