Obvious is the neutral workmanlike opposite of subtle. In reality, according to my desk copy of Roget's Thesaurus, the true antonym is unsubtle. Written Aug 16, 2015 Â· View Upvotes.
Without antibiotics, you may be contagious for two or three weeks; most people who take them, however, are no longer contagious 24 hours after the start of treatment. Other people also experience relief from the symptoms of strep once they've started taking antibiotics.
3 doctors agreed: 48 hours: You are not contagious after 48 hours from the start of your antibiotics. In rare instances if you have severe tonsillitis, the contagiousness could last a little longer, or if you develop an abcess.