Panaflex – from the maker of Panadol, for pain relievers. Body aches and pains can sometimes get in the way of life and suffering from body muscle pain can be distressing. At Panadol and Panaflex, we are committed to expanding our range of pain relief solutions to cater to the diverse and evolving needs of our valued consumers. Panaflex Patch is fast acting from 80 seconds, delivering effective relief from body muscle and joint pain such as back pain, shoulder pain, strains and sprains.