These medicines include: substances used in the treatment of mental conditions (antipsychotics, hypnotics, anxiolytics/ sedatives, antidepressants), medicines used for strong pain relief (narcotic analgesics), medicines used for the treatment of seizures/ convulsions (antiepileptic medicines), medicines used for loss of feeling/ insensibility (anaesthetics), and medicines used in the treatment of allergies (sedative antihistamines).