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Is Tonsillitis Contagious?
Tonsillitis is contagious. Tonsillitis is spread mainly by droplets from direct contact (kissing) or airborne droplets (cough).
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.
Joseph Lauro, MD
Erik D Barton, MD, MS
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