This guideline offers best practice advice on how to involve patients in decisions about prescribed medicines and how to support adherence. All NICE clinical guidelines state that treatment and care should take into account patients’ needs and preferences and patients should have the opportunity to make informed decisions about their care and treatment, in partnership with their healthcare professionals. Good communication between healthcare professionals and patients is essential. It should be supported by evidence-based written information tailored to each patient’s needs. If the patient agrees, families and carers should also have the opportunity to be involved in decisions about.