Fig 1 (Fig 1)
The text describes a chart showing the concentration of Tramadol, a medication used to relieve moderate to severe pain, in ng/mL over time. Two types of tablets are compared: Tramadol Hydrochloride Extended-Release Tablets (200 mg q.d) and Tramadol Hydrochloride Tablets (50 mg g6h). The chart displays concentrations ranging from 50 ng/mL to 350 ng/mL and times ranging from 0 to 24 hours.*