Calming medication for muscle tension by blocking nerves, Pain o Soma 500 stops pain impulses before they reach the brain. Musculoskeletal problems including pain and injury are best treated with a combination of Pain o Soma 500, rest, and physical therapy. an newborn who is breastfed may experience drowsiness due to carisoprodol. Please inform your doctor if you are a nursing mother. Carisoprodol's potential addictiveness is a cause for worry. Misuse can lead to addiction, overdose, and even death. Selling or giving away this medicine is against the law. Pain o Soma 500 is usually taken thrice day, once right before night. Always take your medication exactly as prescribed by your doctor.