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.
If you come into contact with strep, it will take 2 to 5 days before you start to have symptoms. Your doctor will do a physical exam, ask you about your symptoms and past health, and do a lab test such as a throat culture or rapid strep test.