Can You Tell What These Pills Are Used For? Try This Quick QuizThis blue-and-white capsule is often a basic antibiotic.55%Next Correct Incorrect Blue-and-white capsules often contain antibiotics effective against multiple bacteria. This blue-and-white capsule is often a basic antibiotic. Probiotic Antifungal Capsule Anti-nausea Capsule Broad Spectrum Antibiotic 55%