Disulfiram is an alcohol-deterrent medicine for selected patients who want to avoid alcohol. Antabuse is a familiar brand name for the same active medicine. It is different from medicines aimed mainly at cravings: drinking while it remains active can cause a serious physical reaction. Choosing it requires informed agreement, a practical alcohol-avoidance plan and medical follow-up.
The evaluation considers readiness for abstinence, recent alcohol use and withdrawal risk. The clinician reviews liver and heart disease, psychiatric history, pregnancy, allergies and interacting medicines. Severe myocardial disease or coronary occlusion, psychoses and certain medicines such as metronidazole or paraldehyde are important label exclusions. Being interested in a prescription is not enough if alcohol exposure or unsafe withdrawal makes the plan unsuitable.
Describe the last drink, usual drinking pattern, past withdrawal, seizures and detox treatment. The clinician determines when a start is appropriate. If significant withdrawal is likely, medical withdrawal care comes first; disulfiram cannot substitute for it.
Review what an alcohol reaction can feel like, why it can be dangerous and how long the risk lasts after stopping. Discuss medicines, foods and household products that may contain alcohol. A family member may support your plan with your agreement, but cannot administer the medicine without your knowledge.
Bring liver test results if available and ask about baseline and early follow-up monitoring. Review how the prescribed tablet will fit your day and whether agreed support would help you take it reliably. A clinician should explain missed doses; do not take extra tablets to make a deterrent stronger.
Discuss cravings, stress, sleep, mental health and drinking triggers. Counseling, recovery support or another AUD medicine may be part of the plan. If you think you may drink, contact the team before a crisis rather than testing the reaction.