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What’s the link between alcohol use and depression?

Some people drink in an attempt to “drown their sorrows”. Others say they drink to have a good time. But there is a reason that alcohol is classified as a depressant. The more you drink, the more depressed you may feel the next day.


The relationship between alcohol and depression is actually very complex. Chronic alcoholism greatly increases your risk of developing depression. 

Not only that, but already having depression can increase your risk of alcohol abuse and developing alcohol dependence. You can also have a depressive and alcohol use disorder at the same time. All of the above are very common to see in those who enroll in alcohol addiction treatment.


Alcohol is the ultimate trickster: It generates positive emotions as it alters the brain chemicals responsible for creating or enhancing feelings of depression.

You feel good while you’re drinking because alcohol has activated the reward system in your brain. It’s then triggered to release dopamine. Dopamine is known as a “feel-good” hormone. You then want to drink more so you can keep that happy feeling going. 

But alcohol interferes with neurotransmitters like norepinephrine and serotonin while you drink. These and other neurotransmitters are responsible for regulating your mood. Norepinephrine plays a role in arousal and alertness, and improves symptoms of depression.


Experiencing sadness or depression after one night of drinking is one thing, but when this behaviour becomes chronic the natural release of the affected neurotransmitters is continually interrupted. The brain then begins to release them in lower amounts and continues to increase dopamine levels in response to drinking.

Your brain function becomes reliant on these artificially large amounts of dopamine over time, which then compels you to return to drinking for this dopamine release. Unfortunately, your serotonin levels continue to diminish throughout this process, which will intensify feelings of depression once the effects of alcohol wear off.  ​Feelings of guilt after binge drinking combine with these brain chemistry changes to create an overall low mood long-term. This is how alcohol and serotonin depletion can create a cycle of abuse.


The development of an alcohol addiction typically happens in three stages: 

  1. The Early Stage — You participate in occasional binge drinking.
  2. The Chronic Stage — You may have been drinking daily for years and are experiencing serious effects.
  3. The End Stage — You are experiencing dangerous withdrawal symptoms and physical ailments linked to chronic alcohol abuse.

Because alcohol makes us feel good in the short term, it can be difficult to know you even need help. The American Psychiatric Association uses the following criteria to diagnose alcohol use disorders:

  • Continuing to drink despite the negative effects on your daily life and relationships
  • Alcohol use that interferes with family, work, school and other responsibilities
  • Needing higher amounts of alcohol to feel good, also known as tolerance
  • Experiencing withdrawal symptoms when not drinking
  • Participating in high-risk behaviour like driving, operating machinery, fighting or engaging in unprotected sex while drunk 

If you are experiencing 2 to 3 of the above symptoms, you are considered to have a mild alcohol use disorder. Experiencing between 4 and 5 of the above symptoms indicates a moderate alcohol use disorder. 

Experiencing all of the above, in addition to severe withdrawal symptoms and the development of serious conditions like cancer, high blood pressure or seizures indicates a severe alcohol use disorder.


No. You can still be addicted to alcohol even if you’re not experiencing any of the symptoms above. This is referred to as being “high functioning,” ​although we recognize this is a problematic and inaccurate term to use.

If you are drinking heavily and are still able to go to work, meet or exceed performance expectations as well as your financial obligations, you may be one of these individuals. Often, someone in this situation will also:

  • Forget what happened while they were drinking, or “black out”
  • Have been charged with a DUI or have other legal issues related to drinking
  • Joke about drinking or admit having a problem, but continue to drink
  • Drink while alone
  • Drink in the morning

People who drink in the above situations also put others in danger when they black out, drink and drive, or engage in other high-risk behaviour. As such, they can benefit from alcohol abuse treatment just as much as others. Early treatment increases chances of success, so it is actually best to get treatment as soon as possible.


Whether you’re an individual who needs help with your mental health or substance use disorder, or you’re an employer who has employees who need help—we’re here for you. Call us 24/7 at one of the numbers below to start a conversation about how we can help you.

  • Bellwood (Toronto, ON): 416-495-0926
  • Edgewood (Vancouver Island, BC): 250-751-0111
  • Ledgehill (Lawrencetown, NS): 250-751-0111
  • Sandstone (Calgary, AB):587-350-6818
  • Gateway (Peterborough, Ontario): 705-874-2000
  • Nouveau Depart (Montreal, Quebec): 888-488-2611
  • Outpatient Services (Multiple locations): 888-767-3711


An Important Update About the Omicron Variant

We are open and accepting patients. 

Since the beginning of the COVID-19 pandemic, we have been dedicated to keeping our patients safe as they recover from addiction or mental health disorders.

As the situation continues to evolve, as do our protocols and practices at each EHN Canada facility. And recent news of the highly-infectious Omicron Variant is no different. Please know that we continue to implement the highest standards of infection prevention in accordance with our local health authority.

If you have any questions about your or a loved one’s care and the protocols we have in place for staff, patients, and visitors, please contact us at 416-644-6345 or email at [email protected] 

Thank you and stay safe,
The Healthcare Team at EHN Canada