Hashish isn't as 'natural and safe' as people say.
Regular use can become cannabis use disorder — and synthetic cannabis is far more dangerous.
Hashish vs synthetic cannabis
Hashish comes from the cannabis plant; its main active compound is THC. Synthetic cannabis (spice, K2, 'joker') is lab-made chemicals sprayed on herbs — stronger, unpredictable and capable of causing serious emergencies.
Signs of problematic use
- Needing it daily to sleep or relax
- Low motivation and concentration
- Red eyes, changing appetite
- Failed attempts to stop
- Irritability and insomnia when stopping
Risks
- Higher risk of psychosis, especially in young people and those with a family history
- Anxiety, panic attacks and depression
- Poorer memory and school performance
- Synthetic cannabis: seizures, racing heart, severe agitation
Withdrawal and treatment
Withdrawal brings irritability, insomnia, poor appetite and anxiety, usually easing within weeks. Treatment uses CBT, trigger management, sleep regulation and healthy alternatives for relaxation.
How Restart helps
General educational content from the Restart team — not a substitute for a medical assessment. In an emergency, call emergency services immediately. · Last reviewed: November 2026
Medically reviewed byDr. Huthayfa BarhamMedical Director · Addiction psychiatristFAQ
Is hashish addictive?
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