How Long Does Soma Stay in Your System? Ever wondered how long Soma hangs around? Let's find out! The Clock's Ticking Soma sticks around for about 11 hours. That's thanks to its 2-hour half-life. Body Breakdown Your kidneys do the heavy lifting, processing Carisoprodol and its active buddy, Meprobamate. Factors at Play Dosage, frequency, metabolism, age, and liver/kidney health all affect how long Soma stays. Testing, Testing Soma shows up in blood for up to 12 hours, urine for 2-3 days, saliva for 4 hours, and hair for about a month. Who Gets Tested? Rehab patients, military, certain employees, and folks in criminal investigations may undergo Soma testing. Speed Up the Process Exercise, supplements, activated charcoal, and hydration can help clear Soma faster. Key Takeaways Soma lasts 11 hours, but Meprobamate sticks around longer. Testing can spot it in various samples, and detox tricks can speed up clearance.