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Campral (Acamprosate Calcium)

Prescription requiredOnly Available By Prescription
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What is Generic?

What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.


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Campral is a prescription medication used in combination with psychosocial support to help individuals who are dependent on alcohol abstain from drinking. It works by helping to restore the balance of neurotransmitters in the brain, which are affected by alcohol consumption. The primary mechanism of action is believed to be the reduction of excessive excitation associated with alcohol dependence. This medication helps prevent cravings and the urge to drink alcohol that people with alcohol use disorder often experience.

Treating alcohol dependence is crucial as it is an illness. Excessive alcohol consumption can lead to various health issues, along with physical, psychological, and social problems. If you experience such consequences, your doctor might recommend complete abstinence from alcohol as a solution.

Fact Table
Formula C5H11NO4S
License US FDA, US DailyMed, EU EMA
Bioavailability 11%
Legal status Prescription Required
Chemical Name Acamprosate
Elimination half-life 20 h to 33 h
Dosage (Strength) 333mg
Pregnancy Consult Doctor
Brands Campral
Protein binding Negligible
PubChem CID 155434
MedlinePlus a604028
ChEBI 51042
ATC code N07BB03
DrugBank DB00659
KEGG D07058
Routes of administration Oral

Buy Campral (Acamprosate Calcium) online from online Canadian Pharmacy |


The suggested Campral dosage is 666 mg, which equates to two tablets, to be taken thrice daily. You have the option to take it with or without a meal. Ingest the tablets as a whole and refrain from crushing or chewing them.

It's important to use this medication regularly, at the same time to obtain the maximum benefits.

Do not increase your dosage or use this drug more frequently or for a longer duration than prescribed.

If you resume drinking alcohol, continue taking this medication and inform your doctor promptly.


Acamprosate Calcium is the active ingredient in Campral.


Before using this medication, inform your doctor about your medical history, particularly if you have kidney disease and any allergies.

This medication can cause dizziness or drowsiness. Refrain from driving, operating machinery, or engaging in activities that require alertness until you can do so safely.

Avoid consuming alcoholic beverages.

If you use marijuana, discuss it with your doctor.

During pregnancy, use this medication only if it is necessary.


Campral is not known to have any significant interactions with other drugs.

Side Effects

The side effects of Campral medication include diarrhea, constipation, fatigue, weight gain or loss nausea, vomiting, gas, stomach pain, loss of appetite, drowsiness, dizziness, muscle or joint pain, headache, and changes in sexual desire or decreased sexual ability while taking this medication.

Before you buy Campral, discuss the possible severe side effects like kidney issues, mood disorders, pounding heartbeat, hearing or sight changes or increased thirst with your doctor.

Frequently Asked Questions about Campral

How does Campral work?

Campral works by restoring the balance of brain chemicals affected by chronic alcohol use. It reduces alcohol cravings and supports abstinence by acting on neurotransmitter systems involved in alcohol addiction.

How long does Campral take to work?

Campral typically takes a few weeks to start showing its full effects. Individual responses may vary, and it is important to follow the prescribed treatment plan consistently for optimal results.

What happens if you drink on Campral?

Consuming alcohol while taking Campral is generally not recommended. Drinking alcohol while on Campral may reduce the effectiveness of the medication in helping you maintain abstinence from alcohol.

Does Campral cause weight gain?

Patients who take both Campral and antidepressant medications together may more commonly report weight gain. The weight gain associated with Campral is believed to be linked to an increase in appetite experienced by some individuals. It is unclear whether the increased appetite is a direct effect of the medication or a result of discontinuing alcohol consumption.

IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.