Use of Medication at the Roskilde (Denmark) Music Festival 2015 - A Prospective Observational Study of 15,133 Treated Attendees.

Background: Outdoor music festivals (OMFs) attract large numbers of guests and benefit from the help of large numbers of volunteers. Studies have previously described the injury patterns at OMFs, but no studies have described the use of medication and sales from on-site pharmacies at a large OMF.
Method: The usage of medication and prescriptions in the Medical Health Care Organization (MHCO), including sales from the on-site pharmacy, at the Roskilde (Denmark) Festival 2015 were prospectively recorded.
Results: In excess of 130,000 attendees (guests and volunteers) participated in the Roskilde Festival 2015. The number of attendees contacting the MHCO was 15,133, of which 3,723 (25%) had a consultation with a doctor. Of all attendees evaluated by a doctor, 669 attendees received some form of medication in relation to the consultation. The MHCO administered and/or handed out a total of 6,494 units of prescription and over-the-counter medication, of which analgesics represented nearly 51%. Asthma was the condition with the highest proportion of attendees requiring pharmaceutical treatment, as 28 out of 48 (58%) received medication during the consultation. Sixty-five attendees received both medicine and a prescription. The MHCO handed out 562 prescriptions. In total, 609 prescriptions were redeemed at the on-site pharmacy. Antibiotics represented more than 78% of all redeemed prescriptions at the on-site pharmacy.
Conclusion: The most utilized medications were analgesics and antibiotics. The data indicate a need for on-site prophylaxis using tetanus toxoid in combination with diphtheria toxoid vaccine and an on-site pharmacy. The content of the formulary at a mass-gathering event should be based on: evacuation time by ambulance/helicopter to hospitals with the level of competence needed; types of conditions to be treated on-site; level of competencies of festival medical staff; expected incidence and type of illness and injuries; and treatment of acute, life-threatening illnesses and or injuries.