Codeine is part of a group of drugs known as Opioids. Opioids interact with opioid receptors in the brain and elicit a range of responses within the body, from feelings of pain relief, to relaxation, pleasure and contentment. Codeine is used to provide relief from a number of conditions, including:

  • Mild to moderate pain
  • Severe pain (when combined with aspirin or paracetamol)
  • Dry irritating cough
  • Diarrhea
  • Cold and flu (when combined with antihistamines and decongestants)

Overdose & Mixing with Other Drugs

Dangerous Signs

If the dose is too high, you might overdose. If you experience any of the below symptoms, call an ambulance straight away by dialing 999 or 112:

  • Inability to pass urine
  • Severe constipation and obstructed bowel
  • Agitation
  • Cold clammy skin with a bluish tinge
  • Mental numbness
  • Very slow, shallow breathing
  • Hallucinations and sometimes seizures
  • Coma and death

Mixing Codeine with other drugs


Mental clouding, reduced coordination and slow breathing.

Side Effects of

There is no safe level of drug use. Use of any drug always carries risk – even medications can produce unwanted side effects.

The effects of taking Codeine with other drugs including over-the-counter or prescribed medications can be unpredictable and dangerous.