Is strep throat contagious before symptoms appear?

Thanks for your question. Strep throat (an infection of the throat caused by group A streptococcus bacteria, also called Streptococcus pyogenes) is most contagious starting a few days before symptoms show up and decreases after a person has been on antibiotics for at least 24 hours.Nov 29, 2010 read more

2 - 5 Days. "Strep throat" is caused by a bacterial infection with Group A Streptococcus. The period between intial infection with bacteria and appearance of symptoms is 2 to 5 days. read more

Strep throat contagious period starts from 2-5 days before symptoms appear and can last for 2-3 weeks. But it'll be much shorter with antibiotics. Learn some prevention tips! read more

Strep throat is a bacterial infection of the throat. Signs and symptoms of strep throat include headache, nausea, vomiting, sore throat, and fever. Strep throat symptoms in infants and children are different than in adults. Strep throat is contagious and is generally passed from person-to-person. Treatment for strep throat symptoms include home remedies and OTC medication; however, the only cure for strep throat are antibiotics. read more