The aches and pains associated with Period Pain Panadol Period Pain provides up to 37% more powerful pain relief than standard paracetamol tablets. The tablets contain two active ingredients.  Paracetamol is a pain reliever and caffeine acts to further amplify the pain relieving effect of paracetamol. This section contains an overview of Panadol products and does not include full label information. Always read the label and only use as directed. Contains paracetamol.