Get temporary relief from minor arthritis pain with DG Health 8 HR Arthritis Pain Relief. Each extended-release caplet contains 650 mg of acetaminophen, a pain reliever and fever reducer, and is formulated to provide up to 8 hours of relief. The capsule-shaped tablets are easy to add to your medicine cabinet for dependable relief when arthritis pain strikes. Compare the active ingredient to Tylenol 8 HR Arthritis Pain.