Perhaps the most common form of treatment, pain medication provides an important form of treatment for patients suffering from osteoarthritis. Some pain relievers, like acetaminophen and ibuprofen, can be purchased from a pharmacy without a prescription. Other medications typically have a much greater effect, but many are controlled substances that require a prescription from a doctor during an office visit. The strict helps ensure patients do not become addicted and do not get harmed by possible side effects. Some pain relievers, such as ibuprofen, even greatly reduce joint inflammation. When choosing to use these sorts of medication, a doctor should almost always be consulted. A physician will be able to let patients know which medication is the most appropriate for each case, as well as the recommended dosage to take.