Pharm World Sci
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Non steroidal anti-inflammatory drugs (NSAIDs) and prophylactic radiotherapy can prevent ectopic bone formation around the hip after total hip arthroplasty. ⋯ Because of the potential of serious gastrointestinal side effects of NSAIDs and their interaction with anticoagulant drugs, rofecoxib and other COX-2 specific NSAIDs may be a safer option for the treatment of HO. However, randomised controlled studies are needed to confirm the results of the rofecoxib study.
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Shortly after the invention of nitroglycerin (NTG), it was noticed that this substance is capable of inducing a violent headache. Only recently, it became known that this was due to the release of nitric oxide (NO) by NTG. ⋯ The evidence supporting the role of NO in migraine is discussed, e.g. substances capable of inducing experimental vascular headache do so with NO as the common mediator, while drugs with antimigraine activity inhibit NO and the cascade of intracellular reactions triggered by NO. The importance of NO as a potential initiator of the migraine attack opens new directions for the pharmacological treatment of migraine and other vascular headaches.