acamprosate vs clomipramine
Side-by-side comparison of acamprosate and clomipramine Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Campral
Anafranil
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.
Clomipramine (Anafranil) is a medicine used to treat obsessive-compulsive disorder (OCD). It helps reduce unwanted thoughts and repetitive behaviors.
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.
Clomipramine treats obsessive-compulsive disorder (OCD). OCD causes upsetting thoughts or images that keep coming back. It also causes the need to repeat actions over and over. Clomipramine can help control 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.
Clomipramine is a type of antidepressant. It works by increasing the amount of certain chemicals in the brain. These chemicals help regulate mood and reduce OCD symptoms.
- • Accidental injury
- • Weakness
- • Pain
- • Loss of appetite
- • Diarrhea
- • Dry mouth
- • Constipation
- • Nausea
- • Upset stomach
- • Sleepiness
- Low blood pressure 14
- Weakness 13
- Condition worsened 13
- Using the medicine for something it is not approved for 13
- Sudden kidney damage 12
- Interaction with another medicine 226
- Sleepiness 203
- Falling down 202
- Using the medicine for something it's not approved for 193
- Shaking 185
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.
Antidepressants may increase the risk of suicidal thoughts or actions in children, teens, and young adults. Watch closely for worsening mood or unusual behavior. Clomipramine is only approved for OCD in children.
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. Clomipramine may harm your unborn baby. It can also pass into breast milk, so talk to your doctor about breastfeeding.
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How to Read This acamprosate vs clomipramine Comparison
acamprosate is classified in the GABA Analog (Alcohol Dependence) drug class, while clomipramine sits within the Tricyclic Antidepressant (TCA) 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 65 submissions while clomipramine has 1,009. 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 substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between acamprosate and clomipramine — always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.