Effects of cannabis

How long do the effects of cannabis last?

• Effects can last more than 24 hours after you use cannabis. This will depend on:
  • How much and how often it was taken
  • How you take cannabis

Side Effects

Short-term side effects:

• Dizziness
• Dry mouth
• Drowsiness
• Bigger appetite
• Blurred vision
• Diarrhea
• Nausea and vomiting
• No energy

Long-term side effects:

• Depression
• Lack of motivation
• Issues with learning, memory and attention
• An effect on your mental health (delusions, hallucination, psychosis, schizophrenia)
• Higher risk of chest infections if you smoke or vape
• Tolerance - needing larger doses of cannabis to maintain the same effects
• Nausea and vomiting

We do not recommend inhaling or smoking cannabis because:

• We do not fully understand the health effects of smoking it.
• It will affect your lungs.
• You do not know how much THC and CBD you inhale.

Problem-use

People can start to rely on cannabis. If you use it a lot, you may start to depend on it.

If cannabis affects your motivation or mental health, please speak to a member of your healthcare team as soon as possible.