Spasnex-P Suspension is a combination medicine that is effective to reduce pain and treat fever. Mild to moderate pain can be relieved by this medication. Mefenamic acid & paracetamol suspension for children is available in the form of oral suspension formulation for pediatrics. It can also act as analgesic and antipyretic. The bottle of this oral formulation must be stored in cool, dry place. The side effects that this medication can cause are nausea, skin rash, diarrhea, to name a few. If any of the effects persist, seek a medical help immediately.