Soma (carisoprodol) is used along with rest and some physical therapy to relieve pain caused by muscle injuries. If you are allergic to the active ingredient of this medicine – carisoprodol, or meprobamate, you will not be recommended to take this drug by your health care provider as the same reaction is most likely to occur. While headache, dizziness, drowsiness, skin rash and upset stomach are a few side effects that are usually short-lived and mild, and therefore should not be reported to your health care provider, make sure you call your doctor immediately if you have any of the following serious side effects: weakness, fever, burning in the eyes and trouble breathing. Do not give your medicine to other people even if they experience the same symptoms you have. Every person must be examined by a qualified professional before this medicine is prescribed.