About LSD

Select section:

What can a bad experience on LSD feel like?

If you …

Then …

Experience anxiety

Experience confusion

Experience paranoia

Have unpleasant changes in thought patterns

Have unpleasant changes in perceptions and senses

Have unpleasant changes in your feeling of yourself and your body

Have mood swings

Feel nauseous

Try these things at home:

  • Focus on breathing – try taking slow, deep breaths.
  • If you are able, call and talk to somebody you trust and ask them to help keep you calm.
  • Do not take more LSD, alcohol or other drugs, as these can make you feel worse.
  • Move to somewhere quiet – try to sit or lie down and do something relaxing.
  • Drink water to stay hydrated.

Feel increased anxiety


Have severe diarrhoea

Have an irregular heartbeat

Feel severely confused

Feel severely disoriented

Have difficulty controlling emotions

Feel intense paranoia

Feel panicked or have a panic attack

Sweat excessively or feel very hot or very cold

Have tremors

Call a doctor or Healthline (0800 611 116)

They can talk you through the next steps.


Experience hypothermia

Experience high fever

Experience psychosis

Have difficulty breathing

Have suicidal thoughts

Think or act violently

Have intense feelings of fear that you are dying or going insane

Lose consciousness

Have a seizure

Attempt suicide

Call 111  

These are signs of an overdose. You or the people around you should act quickly.

If you experience unexpected or concerning effects from LSD you can notify High Alert to help keep others safe.

A male in his 30s describes what a bad trip on LSD feels like for him:

“A bad trip is like a lucid nightmare, except you know it’s real.”

Related stories

What are reagent tests?

Learn about reagent tests and how they can tell you what is in your drugs.

Popping the bubble: Quick tips if you're choosing to use drugs in Level 2

It can be a bit weird adjusting back to life outside your bubble, so we’ve pulled togther a few key tips to help you out if you choose to use drugs.

Advice from people who have used during lockdown

Thinking about using drugs during lockdown? Here are some practical tips from people who did.

Find another drug