acamprosate vs iloperidone
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 iloperidone. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Campral
Fanapt
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.
Fanapt is a medicine used to treat schizophrenia and bipolar disorder. It helps to balance chemicals in the brain to improve mood and behavior.
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.
Fanapt is used to treat schizophrenia in adults. Schizophrenia can cause confused thinking, hallucinations, and changes in behavior. Fanapt is also used for the short-term treatment of manic or mixed episodes linked to bipolar I disorder in adults.
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.
Fanapt is an atypical antipsychotic. It works by affecting certain chemicals in the brain, such as dopamine and serotonin. This helps to reduce symptoms of schizophrenia and bipolar disorder.
- • Accidental injury
- • Weakness
- • Pain
- • Loss of appetite
- • Diarrhea
- • Dizziness
- • Dry mouth
- • Feeling tired
- • Stuffy nose
- • Low blood pressure when standing up
- Hypotension 14
- Asthenia 13
- Condition Aggravated 13
- Acute Kidney Injury 12
- Coma 12
- Dizziness 99
- Insomnia 83
- Weight Increased 76
- Anxiety 68
- Fatigue 66
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.
Fanapt may increase the risk of death in elderly patients who have psychosis related to dementia. Fanapt is not approved to treat this condition.
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.
Tell your doctor if you are pregnant or plan to become pregnant. Babies born to mothers who take antipsychotics like Fanapt in the last 3 months of pregnancy may have withdrawal symptoms after birth. Talk to your doctor about whether to breastfeed while taking Fanapt.
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How to Read This acamprosate vs iloperidone Comparison
acamprosate is classified in the GABA Analog (Alcohol Dependence) drug class, while iloperidone sits within the Atypical Antipsychotic 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 iloperidone has 392. 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 iloperidone.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.