acamprosate vs doxepin
Side-by-side comparison of acamprosate and doxepin Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
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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.
Doxepin is a medicine that can help you stay asleep. It belongs to a class of drugs called tricyclic antidepressants.
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.
Doxepin is used to treat insomnia, which means you have trouble staying asleep. It can help you sleep better if you have problems with waking up during the night. This medicine has been tested for up to 3 months.
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.
Doxepin works by affecting certain natural chemicals in the brain that help regulate sleep. It helps to keep you asleep throughout the night. It is a low dose formulation of a tricyclic antidepressant.
- • Accidental injury
- • Weakness
- • Pain
- • Loss of appetite
- • Diarrhea
- • Feeling sleepy or drowsy
- • Feeling sick to your stomach
- • Upper respiratory tract infection (like a cold)
- Low blood pressure 14
- Weakness 13
- Condition worsened 13
- Using the medicine for something it is not approved for 13
- Sudden kidney damage 12
- Harm from certain substances 801
- Medicine not working 707
- Suicide 613
- Tiredness 599
- Feeling sick to your stomach 557
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.
After taking doxepin, some people have done things like driving a car while not fully awake. You might not remember doing it. This can be dangerous, so tell your doctor right away if this happens. Doxepin may also worsen depression or cause suicidal thoughts. Tell your doctor if you notice any new or worsening symptoms of depression.
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.
Taking doxepin late in pregnancy may cause problems for the newborn baby, like trouble breathing or feeding. Breastfeeding is not recommended while taking this medicine.
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How to Read This acamprosate vs doxepin Comparison
acamprosate is classified in the GABA Analog (Alcohol Dependence) drug class, while doxepin 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 doxepin has 3,277. 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 doxepin — 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.