Acamprosate calcium tablets 333 mg | ACAMPURE 333

Acamprosate Calcium 333mg is a prescription medicine used to help people who have stopped drinking alcohol stay abstinent for the long term. Acamprosate Calcium 333mg works by calming an overactive brain chemistry (glutamate–GABA imbalance) that develops after chronic alcohol use, reducing craving-related brain signalling rather than curing addiction outright. Acamprosate Calcium 333mg is not a sedative, it does not cause dependence, and it is usually taken as part of a full recovery plan that includes counselling. Common side effects of Acamprosate Calcium 333mg include diarrhea, nausea, and mild skin reactions; serious effects are rare but require prompt medical attention. Acamprosate Calcium 333mg is Schedule H — available only against a valid prescription.

What Is Acamprosate Calcium 333mg?

Acamprosate Calcium 333mg is an oral prescription medicine belonging to the class of drugs called anti-craving agents, used specifically for the maintenance of abstinence in patients with alcohol dependence. Acamprosate Calcium 333mg is not used to treat alcohol withdrawal symptoms (like tremors or seizures) and it does not produce a disulfiram-like reaction if alcohol is consumed — instead, Acamprosate Calcium 333mg works quietly in the background to reduce the neurological "pull" toward drinking once a person has already become alcohol-free.

Acamprosate Calcium 333mg is manufactured and supplied by Steris Healthcare Pvt. Ltd., a WHO-GMP and ISO certified Indian pharmaceutical company, and is typically prescribed by psychiatrists, addiction medicine specialists, or general physicians managing alcohol use disorder recovery programs.

How Does Acamprosate Calcium 333mg Work?

Chronic, heavy alcohol use disrupts the natural balance between two key neurotransmitter systems in the brain:

1. Glutamate (excitatory) — becomes overactive during withdrawal and early abstinence.
2. GABA (inhibitory) — becomes underactive, unable to balance out glutamate's effects.

This imbalance is thought to be a major driver of persistent craving, anxiety, and relapse risk even weeks or months after a person has stopped drinking. Acamprosate Calcium 333mg is structurally similar to the amino acid homotaurine and is believed to work through the following steps:

• Step 1 — Glutamate modulation: Acamprosate Calcium 333mg interacts with NMDA-type glutamate receptors, dampening excessive excitatory signalling.
• Step 2 — GABA support: Acamprosate Calcium 333mg indirectly supports GABA-ergic (calming) neurotransmission, helping restore chemical balance.
• Step 3 — Craving reduction: Over consistent daily use, Acamprosate Calcium 333mg reduces the intensity and frequency of alcohol cravings linked to this glutamate–GABA imbalance.
• Step 4 — Abstinence support: By stabilizing brain chemistry rather than sedating the patient, Acamprosate Calcium 333mg helps patients maintain the motivation and mental clarity needed to stay abstinent.

Because of this mechanism, Acamprosate Calcium 333mg is most effective when started after a patient has already completed detoxification and achieved initial abstinence — it is a maintenance therapy, not a detox medicine.

Clinical Indications

Dosage Guidelines

Key Benefits of Acamprosate Calcium 333mg

• Reduces alcohol craving by correcting the underlying glutamate–GABA imbalance rather than masking symptoms
• Non-sedating — Acamprosate Calcium 333mg does not impair alertness or cause drowsiness the way some other addiction-support medicines can
• No disulfiram-like reaction — patients do not experience a toxic reaction if they accidentally consume alcohol while on Acamprosate Calcium 333mg
• Low potential for abuse or dependence, unlike benzodiazepines sometimes used in early withdrawal
• Supports long-term relapse prevention when combined with counselling and behavioral therapy
• Well suited for maintenance therapy, since Acamprosate Calcium 333mg can be taken for extended periods under medical supervision

Precautions Before Taking Acamprosate Calcium 333mg

• Inform your doctor if you have kidney disease, as Acamprosate Calcium 333mg is eliminated primarily through the kidneys and dosage adjustment may be required
• Acamprosate Calcium 333mg should be used cautiously in pregnant or breastfeeding women — only under specific medical guidance
• Not recommended for patients with severe liver failure combined with severe renal impairment
• Should not be started during active, unmanaged alcohol withdrawal
• Inform your physician of all other medicines, including over-the-counter drugs and supplements, before starting Acamprosate Calcium 333mg
• Continue taking Acamprosate Calcium 333mg even if a relapse occurs, unless your doctor advises otherwise — stopping abruptly is not recommended

Side Effects of Acamprosate Calcium 333mg

Common Side Effects

• Diarrhea
• Nausea or upset stomach
• Flatulence (gas)
• Mild skin rash or itching
• Headache
• Reduced libido

Serious Side Effects 

• Signs of an allergic reaction: swelling of the face, lips, or throat; difficulty breathing
• Severe or persistent diarrhea leading to dehydration
• Unusual mood changes, including suicidal thoughts (uncommon but reported — requires immediate medical review)
• Signs of kidney function changes: unusual swelling, reduced urination

Acamprosate Calcium 333mg vs Other Anti-Craving/Alcohol Dependence Medicines

Key Statistics

Note: Statistics above are placeholders pending citation verification and must be sourced from peer-reviewed or WHO/regulatory data before this article is published.

Frequently Asked Questions 

Q1. Is Acamprosate 333 safe for the liver?

Yes, Acamprosate Calcium 333mg is generally considered safe for patients with liver impairment because it is eliminated mainly through the kidneys rather than the liver. However, patients with severe liver failure combined with kidney impairment should use Acamprosate Calcium 333mg only under close medical supervision, and liver-related concerns should always be discussed with your doctor before starting therapy.

Q2. What is the use of Acamprosate Calcium tablets?

Acamprosate Calcium tablets are used for the maintenance of abstinence in adults who are dependent on alcohol and have already stopped drinking. Acamprosate Calcium 333mg helps reduce alcohol cravings and supports long-term recovery when combined with counselling or a structured treatment program — it is not used to treat acute alcohol withdrawal.

Q3. How does Acamprosate Calcium 333mg work?

Acamprosate Calcium 333mg works by rebalancing brain chemistry that becomes disrupted after long-term alcohol use — specifically by calming overactive glutamate (excitatory) signals and supporting GABA (calming) activity. This helps reduce the intensity of alcohol cravings that often persist after a person stops drinking.

Q4. Is it safe to take Acamprosate?

Acamprosate Calcium 333mg is considered safe for most adults when taken exactly as prescribed by a doctor. It is non-sedating, has low potential for abuse, and does not cause a toxic reaction if alcohol is accidentally consumed. As with any prescription medicine, safety depends on individual health factors such as kidney function, pregnancy status, and other medicines being taken — so a doctor's guidance is essential before starting Acamprosate.

Q5. Can Acamprosate Calcium 333mg be taken with food?

Yes, taking Acamprosate Calcium 333mg with food is generally recommended, as it may help reduce mild stomach-related side effects such as nausea or diarrhea.

Q6. How long does a patient need to take Acamprosate Calcium 333mg?

Duration varies by individual, but Acamprosate Calcium 333mg is typically prescribed for several months as part of a long-term relapse-prevention plan, and should only be stopped under a doctor's guidance.

Q7. Acamprosate?

Acamprosate is a medication that helps maintain alcohol abstinence by reducing cravings after alcohol withdrawal.

Conclusion

Acamprosate Calcium 333mg plays an important role in helping people stay alcohol-free after completing detoxification. Unlike medicines that manage withdrawal or create a toxic reaction to alcohol, Acamprosate Calcium 333mg works at a neurochemical level — quietly correcting the glutamate–GABA imbalance that fuels persistent cravings. Acamprosate Calcium 333mg is non-sedating, carries a low risk of dependence, and is best used as part of a complete recovery plan that includes medical supervision and counselling support. Because Acamprosate Calcium 333mg is a Schedule H prescription medicine, it should only be used under the guidance of a qualified physician, with regular monitoring of kidney function and overall response to treatment. Patients considering Acamprosate Calcium 333mg should have an open conversation with their doctor about their full medical history, current medicines, and long-term recovery goals.

Prescription only – consult your doctor.

Brand name: ACAMPURE 333 (STERIS HEALTHCARE PVT LTD)
Composition Name: Acamprosate Calcium 333 mg
Formulation: Tablet
Pack size: 10 x 6 Tablets (60 Tablets)
Marketed By: Steris Healthcare Pvt Ltd
Regulatory standard: WHO-GMP Certified
Schedule: Valid Prescription Required (Prescription Only)