OTC
Painkiller (NSAID — Non-Steroidal Anti-Inflammatory Drug)
Mefenamic Acid
Last reviewed April 2026
Who is this for?
What is this drug?
Mefenamic acid is a painkiller and anti-inflammatory drug that works by blocking the chemicals in your body that cause pain, swelling, and fever. It is sold in Nigeria under brand names like Ponstan and Fenamex-DT.
What is it used for?
Menstrual pain (period pain)headachetoothachebody painmuscle painjoint painmild to moderate feverpain after surgery or injury
Available Over The Counter
Available at pharmacies without a prescription. Rules may vary by country.