Dihydrocodeine 30mg is an oral opioid tablet containing 30mg of dihydrocodeine tartrate. It is used under medical supervision for moderate to severe pain when weaker painkillers have not provided adequate relief. The displayed Accord pack contains 100 tablets and carries clear warnings that the medicine contains an opioid and can cause addiction. Possible effects include constipation, nausea, dizziness, drowsiness, impaired concentration and dangerous breathing suppression. Dihydrocodeine is a prescription-only controlled medicine and must be used only for the patient, condition and treatment period authorised by a qualified prescriber.