Cronotol 500 is a high-strength disulfiram 500mg tablet designed to aid in the long-term treatment of chronic alcohol dependence. It functions as an aversive therapy agent by disrupting the body’s normal alcohol metabolism process. When alcohol is consumed during disulfiram therapy, it triggers an immediate and unpleasant physiological reaction—including nausea, flushing, palpitations, and shortness of breath—serving as a strong deterrent against drinking. Cronotol 500 is most effective in patients who are highly motivated to remain abstinent and are enrolled in a structured recovery program. Its role is not to eliminate cravings but to establish a psychological and physical barrier against relapse, reinforcing behavioral conditioning by creating an automatic negative consequence to alcohol intake. This 500mg dosage is generally used during the initial intensive phase of treatment, offering a strong starting dose before transitioning to a lower maintenance dose. It supports a lasting commitment to sobriety when combined with therapy and regular follow-up.

- Sleep & Mental Health > Alcoholism Used in the medical management of alcohol dependency to prevent relapse through negative reinforcement. Acts as an effective deterrent by inducing adverse reactions to alcohol, helping individuals maintain abstinence over extended periods when integrated into a comprehensive recovery plan.

Disulfiram works by inhibiting aldehyde dehydrogenase, the key enzyme involved in the second stage of alcohol metabolism. When a patient consumes alcohol, the body rapidly accumulates acetaldehyde, a toxic substance that causes severe discomfort such as facial flushing, chest tightness, nausea, and hypotension. These effects typically occur within 10–30 minutes of alcohol ingestion and may last for several hours. By associating alcohol intake with intensely negative outcomes, Cronotol 500 helps rewire behavioral responses. It is most beneficial when used in combination with psychological counseling and lifestyle interventions aimed at long-term recovery.

Usual Adult Dose for Alcohol Dependence: → Initial dose: 500 mg orally once daily for the first 1 to 2 weeks → Maintenance dose: 250 mg orally once daily (range: 125 mg to 500 mg) → Maximum dose: 500 mg per day Treatment duration may vary based on individual needs, typically extending over several months or longer depending on patient response and relapse risk. Disulfiram is usually taken in the morning, but it may be administered in the evening for those who experience drowsiness. Dosage should be adjusted according to individual tolerance. Important: Patients must strictly avoid all forms of alcohol—including hidden sources like mouthwashes, sauces, or fermented foods—during and up to 14 days after discontinuation of disulfiram.

Store in a dry place at or below 25°C. Protect from moisture, heat, and light. Keep tablets in original packaging and out of reach of children or unauthorized users.

Common side effects: fatigue, metallic taste, mild gastrointestinal upset, skin rash Less common: peripheral neuropathy, mild liver enzyme elevation, acne, headache Rare but serious: hepatitis, optic neuritis, psychosis, severe allergic reactions Seek immediate medical help if signs of liver toxicity, mental confusion, or severe dermatologic reactions occur.