1. Cannabis Use Disorder (CUD)

A problematic pattern of cannabis use leading to significant impairment or distress.

Includes symptoms like:

Using more than intended

Difficulty cutting down

Craving cannabis

Continued use despite problems

Neglecting responsibilities

Ranges from mild, moderate to severe depending on number of symptoms.

2. Cannabis Intoxication

Occurs shortly after cannabis use.

Symptoms may include:

Euphoria

Relaxation

Distorted perception of time

Increased appetite

Impaired judgment or coordination

In high doses: anxiety, paranoia, hallucinations

3. Cannabis Withdrawal

Happens when someone who has used cannabis heavily for a long time stops or reduces use.

Common symptoms:

Irritability or anger

Sleep problems

Decreased appetite

Restlessness

Depression or mood swings

4. Cannabis-Induced Psychotic Disorder

Rare but serious condition.

Symptoms:

Hallucinations

Delusions

Disorganized thinking

Occurs during or soon after heavy cannabis use

5. Cannabis-Induced Anxiety or Mood Disorders

Anxiety or depression that appears to be directly triggered by cannabis use.

Risk Factors

Early age of use

High THC (tetrahydrocannabinol) potency

Frequent or heavy use

Co-existing mental health conditions (like depression, schizophrenia)

Long-Term Effects

Cognitive impairment (attention, memory)

Decreased motivation (amotivational syndrome)

Mental health risks (especially in youth)

Respiratory issues if smoked

Treatment Options

Behavioral therapy (CBT, motivational interviewing)

Psychoeducation

Support groups

Medication (sometimes for withdrawal or co-occurring disorders)