Tag: ER vs IR

Extended-Release vs. Immediate-Release Medications: Timing, Risks, and When to Use Each

• Robin Tudge
• February 5, 2026
• 1 Comments

Learn the key differences between extended-release and immediate-release medications, including how they work, their risks, and when each type is safest. Find out why ER formulations improve adherence but require careful handling to avoid overdose.