Repeat Prescriptions ORDER THROUGH SYSTMONLINE Order your repeat prescriptions online 24/7 through SystmOnline. ORDER THROUGH THE NHS APP Order your repeat prescriptions online 24/7 through the NHS App. HOW TO ORDER Repeat Prescriptions have to be authorised by a doctor. You will need to give at least 5 working days notice. PRESCRIPTION FEES Most adults in England have to pay prescription charges. ELECTRONIC PRESCRIPTION SERVICE (EPS) The Electronic Prescription Service (EPS) sends electronic prescriptions from GP practices to pharmacies.