Panadol Rapid Soluble are lemon flavoured, effervescent, pain relief tablets and are absorbed twice as fast as regular Panadol tablets. The active ingredient is paracetamol, which works to stop the pain messages from getting through to the brain. Also, effective to reduce fever. Panadol Rapid Soluble is also gentle on your stomach. From Australia's Most Trusted Pain Relief Brand.* Panadol Rapid provides fast, effective, temporary relief of pain and discomfort associated with: Headache/Tension headache Toothache Cold & flu symptoms Migraine headache Muscular aches Arthritis/Osteoarthritis Backache Period pain *Reader's Digest Trusted Brands Survey Australia, 2018 Fast Pain Relief Gentle on the stomach Suitable for breastfeeding mothers Reduces Fever Lasts Up To 6 Hours Dissolves in water.