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Drugs and Alcohol
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Substance Information and Harm Reduction Guides

Learn more about common substances, how they’re used, their effects, and the risks involved. These quick guides are designed to help you stay informed and make safer choices. If you or someone you know needs support, Inspire is here to help.

Download a full set of Substance Information cards in your chosen language: 

Ketamine

A dissociative drug that can cause feelings of euphoria, calmness, and detachment, while also impairing coordination and awareness. Regular use can lead to tolerance, dependence, and serious bladder and kidney issues. 

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Cocaine

A fast-acting stimulant that increases energy, alertness, and confidence but can also cause anxiety, restlessness, and disrupted sleep. Repeated use can impact mental health and increase risks to the heart and brain.

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Alcohol

A widely used depressant that can make you feel relaxed and sociable, but also affects coordination, judgement, and reaction time. Long-term or excessive use can have serious impacts on physical and mental health.

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MDMA (Ecstasy)

A stimulant and hallucinogenic drug that can create feelings of euphoria, energy, and emotional closeness. It also raises body temperature and can affect mood and wellbeing in the days after use.

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Nitrous Oxide

A gas that produces short-lived feelings of euphoria and dizziness when inhaled. Frequent or heavy use can lead to nerve damage and vitamin deficiencies.

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Lean

A mixture typically containing codeine-based cough syrup that produces sedative and euphoric effects. It can slow breathing and carries a high risk of overdose when combined with other substances.

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Heroin

A powerful opioid that creates intense feelings of relaxation and euphoria while slowing breathing and heart rate. It is highly addictive and carries a high risk of overdose and dependence.

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Amphetamine (Speed)

A stimulant that increases energy, focus, and alertness but can also cause anxiety, paranoia, and sleep disruption. It can strain the heart and lead to other physical and mental health issues.

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Cannabis

A drug derived from the cannabis plant that can produce relaxation, euphoria, and increased appetite. It may also cause anxiety, paranoia, and potential impacts on mental health.

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THC Vapes

Vape devices containing THC that produce similar effects to cannabis, including relaxation and euphoria. Some products may contain unknown or harmful substances, increasing the risk of serious complications.

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Benzodiazepines

Prescription depressants used for anxiety and sleep issues that can cause calmness and drowsiness. Misuse or combining with other substances increases the risk of dependence, memory loss, and overdose.

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Crack Cocaine

A smokable form of cocaine that produces an intense but short-lived high. It carries high risks of addiction, heart problems, and mental health issues.

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GHB & GBL

Depressant drugs that can create feelings of euphoria at low doses but can quickly lead to unconsciousness or overdose at higher doses. Effects can be unpredictable and dangerous, especially when mixed with other substances.

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Synthetic Cannabinoids (Spice)

Man-made substances designed to mimic cannabis but often much stronger and unpredictable. They can cause serious physical and mental health effects, including dependency and severe anxiety.

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Pregabalin

A medication used to treat anxiety and nerve pain that can cause relaxation and drowsiness. Misuse can lead to dependence and increased risk of overdose when combined with other depressants.

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Crystal Meth

A powerful stimulant that can produce long-lasting feelings of energy, confidence, and alertness. It carries significant risks including addiction, mental health problems, and severe physical harm.

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You don’t have to face things alone. Inspire provides free, confidential support for people in West Northamptonshire around substance use.

Ready to start your recovery journey?

When you’re ready to begin, our Inspire team is here to help you get started. You’ll also find a community of people who’ve been through the same process and are happy to offer support.