Substance guide
Heroin Addiction: Signs, Safety & How to Get Help
Heroin — "gear", "smack", diamorphine — is one of the most dangerous drugs to be dependent on, and also one of the most treatable when the right support is in place. If it's you or someone you love, the two things that matter most are safety first, and knowing that recovery is genuinely possible.
What it does
Heroin is an opioid that binds to receptors in the brain, switching off pain and flooding you with warmth and calm. The body adapts fast: tolerance climbs, dependence sets in, and before long it's about avoiding withdrawal as much as chasing the high.
Short- and long-term effects
Short term: euphoria, drowsiness and slowed breathing — that slowed breathing is the overdose risk, made far worse by today's fentanyl contamination. Long term: physical dependence, collapsed veins and infections if injected, and life narrowing down to the next hit.
Signs of heroin addiction
- Needing it just to feel normal
- Rising tolerance
- Withdrawal when you stop
- Using despite serious harm
Withdrawal & recovery — safety first
Heroin withdrawal is rarely fatal but intensely hard, and the overdose risk after any break is high, because tolerance drops fast. Don't do it alone. If you or someone near you uses, it's worth having naloxone, which can reverse an overdose.
How to get help
Heroin is one where I'd point you firmly to specialist services — in Ireland, the HSE Drug & Alcohol services and Merchants Quay Ireland; in the UK, your local drug service via FRANK (0300 123 6600). Treatment often includes medical support like methadone or buprenorphine, and it works. A conversation with me can be a starting point or a steadying hand — but specialist medical care is the right first call.
60-second check-in
Quick check: where are you with it?
Five honest questions. Nothing is saved or sent — your result appears only on your screen.
1. Do you use more than you planned to, or carry on longer than you meant to?
2. Have you tried to cut down or stop and found you couldn't?
3. Does it take up a lot of your time, money or headspace?
4. Has it caused problems with work, money or people close to you — and you carried on anyway?
5. Do you need more for the same effect, or feel low, flat or anxious when you stop?
Not sure where you stand?
Take the free, confidential 3-minute self-assessment — scored the way a specialist would.
Take the assessment → Book a confidential chat