Drugs are effective only if they reach their site of action. This is usually achieved by oral administration, but other routes are possible. Here I describe the uses and characteristic adverse effects of commonly used routes of administration. In this part I deal with intramuscular and subcutaneous injection and in part 2 other routes.
University Department of Primary Health Care, Rosemary Rue Building, Old Road Campus, Headington, Oxford, UK
Correspondence to J.K. Aronson, University Department of Primary Health Care, Rosemary Rue Building, Old Road Campus, Headington, Oxford OX3 7LF, UK E-mail: firstname.lastname@example.org
Editor: R E Ferner, MSc, MD, FRCP, Director of the West Midlands Centre for Adverse Drug Reaction Reporting and Consultant Physician at City Hospital, Birmingham, UK. Assistant Editor: Mr C Anton, MA, MEng. Editorial Board: Australia: Dr M Kennedy, Professor G M Shenfield, Denmark: Professor J S Schou; England: Dr J K Aronson; Ireland: Professor J Feely; Netherlands: Professor C J van Boxtel, Dr B H Ch Stricker; New Zealand: Dr T Maling; Scotland: Dr D N Bateman; Wales: Professor P A Routledge.