An opioid painkiller called dihydrocodeine is used for moderate to severe pain and, occasionally, for severe coughing. The 30 mg tablet, which comes in different strengths, is a frequently prescribed dosage in many nations. The majority of jurisdictions regulate dihydrocodeine as a prescription-only medication due to the fact that it shares receptors with other opioids in the brain, which increases the risk of dependence, adverse effects, and dangerous interactions. The definition of dihydrocodeine 30 mg, its mechanism of action, safety concerns, ethical and legal dilemmas, and responsible treatment access are all covered in this article