Painkilling capsules. These capsules consist of a liquid that contains the painkilling (analgesic) drug ibuprofen. The liquid is absorbed quickly for fast pain relief. Each capsule contains 200mg of ibuprofen. Ibuprofen is used in a variety of brand name drugs. These are Anadin capsules, used to relieve pain from strains and sprains, headaches, toothache and period pains. The Anadin range of over-the-counter (OTC) drugs are marketed by the Wyeth Consumer Healthcare company.