Warfarin, Rivaroxaban, Dabigatran, Apixaban (or any other anticoagulants)
Daily NSAIDS (e.g. Naproxen, Diclofenac or Ibuprofen)
Daily Aspirin
Anti-Epileptics
HIV retroviral treatments
Systemic steroid treatments
Immunosuppresive treatments
Previous hypersensitivity to steroid treatment (e.g. topical steroids for eczema)