Soma

ALSO KNOWN AS: Carisoma; carisoprodol; sanoma; sopradol; vanadom

DEFINITION: Soma (carisoprodol) is a skeletal-muscle relaxant that acts on the central nervous system to promote sedation and pain relief.

STATUS: Legal by prescription in the United States and banned in many countries around the world

CLASSIFICATION: Unclassified

SOURCE: Synthetic

TRANSMISSION ROUTE: Oral

History of Use

Since the mid-1950s, the North American market for tranquilizing medications has been enormous. Most tranquilizers developed at this time were designed to overcome specific problems that had become apparent in earlier medications. For example, carisoprodol (brand name Soma) was developed because of problems with meprobamate, an older anxiolytic medication that had both high potential for dependence and difficult withdrawals.

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The brand name “Soma” refers both to the drink of the gods in Hindu religious literature and to a fictional medication in Aldous Huxley's dystopic novel Brave New World (1932). Since the late 1950s, the medical and scientific communities have come to recognize that although Soma is an effective skeletal-muscle relaxant, it also has a high potential for abuse, dependence, and illegal purchase.

Effects and Potential Risks

The medical community has increasingly become aware of how Soma works in the brain. Its primary metabolite, meprobamate, acts on the GABA‗A (gamma-aminobutyric acid) receptors in such a way that the drug provides the sedation of a benzodiazepine while also providing relief from muscle pain. Soma provides muscle relaxation and sedation by altering the activity of the spinal cord and brain neurons. Because of its ability to provide sedation and pain relief, Soma was frequently prescribed with anti-inflammatory medications to aid muscle sprains in the early twenty-fist century.

As the number of Soma prescriptions increased, those in the medical community became aware of its potential for abuse and other issues. Despite its effectiveness in the short-term, Soma has significant potential risks. Some users have experienced anterograde amnesia after taking large doses, during which they have driven vehicles or engaged in other dangerous behaviors. Like other tranquilizing medications, Soma can cause dependence; predictably, those who become dependent tend to take larger doses to achieve desired effects, which, in turn, substantially increases the subsequent risk of cardiac problems, coma, and death. Withdrawal from Soma also is difficult, as its symptoms include increased sensitivity to pain and anxiety, jitteriness, hallucinations, and bizarre behavior. Still, Soma has remained an alternative to opioids for the relief of pain in the twenty-first century.

Bibliography

Bramness, Jørgen G., Svetlana Skurtveit, and Jørg Mørland. "Impairment Due to Intake of Carisoprodol." Drug and Alcohol Dependence, vol. 74, no. 3, 2004, pp. 311–18.

Gonzalez, Lorie A., et al. "Abuse Potential of Soma: the GABA(A) Receptor as a Target." Molecular and Cellular Pharmacology, vol. 1, no. 4, 2009, pp. 180-186.

Gonzalez, Lorie A., et al. "Carisoprodol-Mediated Modulation of GABAA Receptors: In Vitro and In Vivo Studies." Journal of Pharmacology and Experimental Therapeutics, vol. 329, no. 2 2009, pp. 827–37.

Olopaade, Jennie. "What is Soma, and Why Do People Take It?" MedicalNewsToday, 27 May 2022, www.medicalnewstoday.com/articles/what-is-soma. Accessed 20 Aug. 2024.

Reeves, Roy, et al. "Carisoprodol (Soma): Abuse Potential and Physician Unawareness." Journal of Addictive Diseases, vol. 18, no. 2, 1999, pp. 51–56.

Rossow, Ingeborg, and Jorgen G. Bramness. "The Total Sale of Prescription Drugs with an Abuse Potential Predicts the Number of Excessive Users: A National Prescription Database Study." BMC Public Health, vol. 15, 2015, p. 288.

Tone, Andrea. The Age of Anxiety: A History of America’s Turbulent Love Affair with Tranquilizers. New York: Basic, 2008.