- Acetaminophen Extended Release.
E-Z Open Cap! Pain Reliever. For the temporary relief of minor arthritis pain. Lasts up to 8 hours - Patented time-release caplets. Capsule-shaped tablets. What Makes Tylenol Arthritis Pain Extended Relief Caplets Different? Uses a unique, patented bi-layer caplet. The first layer dissolves quickly to provide prompt relief while the second layer is time released to provide up to 8 hours of relief.