Diclofenac potassium liquid-filled capsules: 25 mg orally 4 times a day Diclofenac free acid capsules: 18 mg or 35 mg orally 3 times a day Diclofenac potassium immediate-release tablets: 50 mg orally 3 times a day; an initial dose of 100 mg orally followed by 50 mg oral doses may provide better...