Side Effects. Drug information provided by: IBM Micromedex. Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. What other drugs will affect Soma? Sometimes it is not safe to use certain medications at the same time. Some drugs can affect your blood levels of other drugs you take, which may increase side effects or make the medications less effective. The most serious outcomes of a carisoprodol overdose involve seizures, coma, and respiratory problems. These symptoms can all be fatal if they are allowed to continue uncontrolled. An overdose of carisoprodol can be fatal, especially if you take it with alcohol or with other drugs that can slow your breathing. Overdose symptoms may include vision problems, confusion, hallucinations, muscle stiffness, loss of coordination, weak or shallow breathing, fainting, seizure, or coma. Consumer information about the medication CARISOPRODOL - ORAL (Soma), includes side effects, drug interactions, recommended dosages, and storage information. Read more about the prescription drug CARISOPRODOL - ORAL. One of the major risks of Soma pill abuse goes beyond the physical side effects listed above: the risk of addiction to the drug. What Does Soma Pill Abuse Look Like? For prescription drugs like Soma, the definition of drug abuse is relatively straightforward: using the prescription drug in any other way than how it is prescribed. Carisoprodol, marketed under the brand name Soma among others, is a prescription drug marketed since 1959. It is a centrally acting skeletal muscle relaxant of the carbamate class. It is a prodrug [2] [ clarification needed ] and is both structurally and pharmacologically related to meprobamate. How to use Soma. Take this medication by mouth with or without food as directed by your doctor, usually 4 times a day. The dosage is based on your medical condition and response to treatment. Side effects of prescription muscle relaxers like Soma may include: headache, dizziness, skin rash, and more. An Overdose on Soma from abuse is possible.