acamprosate vs galantamine
PlainMeds reviewed this comparison against our methodology in August 2026. It places FDA and CMS record fields side by side, without recommending either medication.
Side-by-side comparison of acamprosate and galantamine. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Campral
Razadyne
Acamprosate is a medicine that can help you stay away from alcohol if you are alcohol-dependent and have already stopped drinking. It should be used with counseling and support.
Galantamine extended-release capsules help treat mild to moderate Alzheimer's disease. It can improve memory and thinking.
Acamprosate helps people who are alcohol-dependent to not drink alcohol. You must have already stopped drinking before you start taking acamprosate. This medicine works best when it is part of a complete treatment plan that includes counseling and support.
This medicine treats mild to moderate Alzheimer's disease. Alzheimer's can affect memory, thinking, and behavior. Galantamine may help improve these symptoms.
Acamprosate is similar to a natural substance in your brain. It is thought to work by helping to restore the normal balance of brain activity that is changed by long-term alcohol use. This can reduce your craving for alcohol.
Galantamine is a cholinesterase inhibitor. It works by increasing the amount of a certain chemical in the brain. This chemical helps nerve cells communicate better.
- • Accidental injury
- • Weakness
- • Pain
- • Loss of appetite
- • Diarrhea
- • Nausea
- • Vomiting
- • Diarrhea
- • Dizziness
- • Headache
- Hypotension 14
- Asthenia 13
- Condition Aggravated 13
- Acute Kidney Injury 12
- Coma 12
- Fall 375
- Cognitive Disorder 306
- Constipation 291
- Balance Disorder 285
- Hypotension 285
Acamprosate may increase the risk of suicidal thoughts or actions. Your doctor should watch you for depression or suicidal thoughts. Tell your doctor right away if you have any new or worsening symptoms of depression or suicidal thoughts.
Stop taking galantamine right away if you get a skin rash. This medicine can cause serious skin reactions. This medicine can also slow your heart rate or cause fainting.
Acamprosate may harm your unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. It is not known if acamprosate passes into breast milk. Talk to your doctor if you are breastfeeding.
It is not known if galantamine is safe to take during pregnancy. Animal studies suggest a risk to the fetus. Talk to your doctor if you are pregnant or plan to become pregnant. It is also not known if galantamine passes into breast milk, so talk to your doctor if you are breastfeeding.
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How to Read This acamprosate vs galantamine Comparison
acamprosate is classified in the GABA Analog (Alcohol Dependence) drug class, while galantamine sits within the Acetylcholinesterase Inhibitor class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, acamprosate has 64 submissions while galantamine has 1,542. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for acamprosate or galantamine.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.