: Both work the same and both contain paracetamol 500 mg + caffeine 75 mg . That means a Napa Extra or H Plus contains a total of 565 mg . 500mg + 65mg = Paracetamol + Caffeine . It does the same thing with fever , colds and influenza. Headache , toothache , ear pain , body aches , neuropathic pain , menstrual cramps and spasm pain. Intestinal pain , low back pain , postoperative pain , postpartum pain , chronic cancer-related pain , inflammatory pain, and post-vaccination fever and pain in children. Pain caused by arthritis and osteoarthritis and inflexibility of joints. Napa or H contains only paracetamol 500 mg