Learn about side effects, drug interactions, dosages, warnings, and more. every 3 days up to 50-100 mg orally every 4-6hr as needed; not to exceed 400 mg/ (CrCl less than 30 mL/min): Immediate release, 50-100 mg orally every 12hr; Do not take Ultram, Ultram ER, Ryzolt or ConZip if you are...