Left side pain comes and goes like a spasm, this is my 3rd bought with this in 5 months. if i ly down is goes away, it comes on with activity. it s l?

Nonspecific: Your symptoms are nondiagnostic and more description such as location, radiation is needed. Fleeting,sharp pains,especially in the rib cage, are often due to pinching of intercostal nerve or muscle which runs between 2 ribs. Muscle cramping elsewhere is another possibility. These are more of a nuisance than anything serious, but a physician should examine you in order to make a diagnosis.