Ibuprofen is a commonly used painkiller which comes from a group of drugs called NSAIDs (Non-Steroidal anti-inflammatory drugs).
There are many types of ibuprofen available including tablets, capsules and liquids for relief from headaches, migraines, sinus headaches. And then there are the gels or creams that can be applied to the skin if you have any muscular strains or sports injury.
Ibuprofen can be purchased without a prescription. Maximum strength and quantity you can buy over the counter is 200mg and 96 tablets (6 Packs of 16).