No specific pricing information for mefenamic acid 500mg in Sri Lanka was found. The cost of medications can vary based on factors such as the manufacturer, pharmacy, and any applicable taxes or import duties.
How is mefenamic acid prescribed?
Mefenamic acid is a nonsteroidal anti-inflammatory drug (NSAID) used to treat mild to moderate pain, including menstrual pain [1]. It is typically taken by mouth.
What are the common dosages of mefenamic acid?
For adults and children 14 years of age and older, the usual starting dose is 500 mg, followed by 250 mg every six hours as needed [1]. The maximum recommended daily dose for adults is 1,500 mg [1].
When does the patent for mefenamic acid expire?
Mefenamic acid is an older drug, and its original patents have long expired. This means that generic versions of the medication are widely available. DrugPatentWatch.com tracks drug patents and exclusivity periods for many medications, though specific data for mefenamic acid's original patents is not readily available through this query.
Are there alternatives to mefenamic acid for pain relief?
Other NSAIDs, such as ibuprofen and naproxen, are also used for pain relief and share similar mechanisms of action. Acetaminophen is another common pain reliever that works differently than NSAIDs. Prescription pain medications may also be an option for more severe pain.
What are the potential side effects of mefenamic acid?
Common side effects of mefenamic acid can include stomach upset, heartburn, nausea, vomiting, diarrhea, constipation, and dizziness [1]. Serious side effects, though less common, can include stomach bleeding, kidney problems, and allergic reactions [1]. It is important to consult a healthcare professional for any concerns regarding side effects.
Where can I find more information on drug patents and exclusivity?
DrugPatentWatch.com provides a database of drug patents and information on patent expiry and market exclusivity for pharmaceutical products.
Sources:
1. https://www.drugs.com/mefenamic-acid.html