Disulfiram

Disulfiram is a pharmaceutical agent primarily used in the treatment of chronic alcoholism. Commercially, it is available under the brand names Antabuse and Antabus.

Disulfiram

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Mechanism of Action

Disulfiram exerts its effects by inducing severe aversive reactions when alcohol is consumed. If an individual on disulfiram consumes alcohol, they can experience a range of symptoms, typically starting within 5 to 30 minutes of consumption. The severity of symptoms often correlates with the amount of alcohol consumed. Some common reactions include:

• Nausea and vomiting
• Headache and neck pain
• Confusion
• Elevated heart rate
• Respiratory difficulties
• Profuse sweating and flushed skin
• Hypotension which can lead to dizziness or fainting

These reactions can persist from a few minutes to several hours.

Therapeutic Application

Disulfiram is commonly incorporated into treatment plans for alcoholics, but it is essential that patients undergo an alcohol withdrawal period prior to its commencement. It is hazardous to initiate disulfiram if alcohol has been consumed in the past 12 hours.

Cravings

Disulfiram does not address one of the fundamental symptoms of alcoholism: intense alcohol cravings. Many patients circumvent the aversive effects of disulfiram by simply not taking the medication. An extensive study in 1986 suggested ineffectiveness of disulfiram, but later revealed that only 20% of the participants were compliant with their medication regimen.

However, subsequent studies have demonstrated the efficacy of disulfiram when its administration is supervised. Alcoholics who are monitored during disulfiram intake tend to have better drinking outcomes and are more involved in other therapeutic interventions.

To ensure compliance:

• Disulfiram tablets can be surgically implanted, providing a continuous release for up to 12 weeks.
• Other medications, such as naltrexone, which helps reduce alcohol cravings, can be co-prescribed with disulfiram.

Limitations

The United States National Institutes of Health emphasizes that disulfiram, on its own, is not a panacea for alcoholism. Its efficacy is optimized when used in conjunction with:

• Counseling
• Support systems (friends and family)
• Participation in support groups or therapy circles
• Genuine personal desire to quit alcohol

Alternative Uses

Apart from its primary use in treating alcoholism, disulfiram has shown potential in:

• Eliminating certain parasites causing infectious diseases
• Potential treatment avenues for cancer, HIV, and cocaine addiction

See Also

• Alcoholism
• Naltrexone
• Therapeutic intervention

Disulfiram Resources
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