Dihydrocodeine is a member of the class of medications called opioid analgesics. These are drugs that reduce pain by changing how the nerve system and brain react to pain signals. For moderate to severe pain that is unmanageable with milder medications like ibuprofen or paracetamol, a normal dosage dose of 30 mg is frequently suggested. https://blogosm.com/purchasing-dihydrocodeine-30mg-in-the-uk-what-you-need-to-know