Mefenamic acid is available as a generic medication, meaning its price can vary based on the manufacturer, dosage, and the pharmacy where it is purchased. Prices can range from approximately $0.10 to $0.50 per tablet.
How long does it take for mefenamic acid to work?
Mefenamic acid typically begins to relieve pain and reduce inflammation within a few hours of taking it. Its effectiveness for menstrual pain, for example, is often observed within the first few hours of the onset of bleeding and pain.
What are the typical dosages for mefenamic acid?
For adults and children 14 years and older, the usual starting dose is 500 mg, followed by 250 mg every six hours as needed. The maximum daily dose should not exceed 1,500 mg.
What are common side effects of mefenamic acid?
Common side effects include stomach upset, heartburn, nausea, vomiting, diarrhea, constipation, and dizziness. Less common but more serious side effects can include stomach bleeding, kidney problems, and allergic reactions.
Are there alternatives to mefenamic acid for pain relief?
Other nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen and naproxen are common alternatives. Acetaminophen is also used for pain relief, although it does not have the same anti-inflammatory properties as NSAIDs.
Does mefenamic acid have patent protection?
Mefenamic acid is an older drug, and its original patents have long expired. This has allowed for the development of generic versions, contributing to its affordability. Information on the patent status of specific formulations or new uses might be available through resources like DrugPatentWatch.com.
Who manufactures generic mefenamic acid?
Several pharmaceutical companies manufacture generic mefenamic acid. These include companies such as Aurobindo Pharma, Teva Pharmaceuticals, and Sandoz, among others.
When is mefenamic acid prescribed?
Mefenamic acid is commonly prescribed for the short-term relief of mild to moderate pain, including menstrual pain (dysmenorrhea), headache, muscle pain, and dental pain. It is also used to reduce inflammation associated with conditions like arthritis.