IV Ceftriaxone 1g 12 hourly for 2 days
IV Paracetamol 600mg 8 hourly for 2 days
IV Pentazocine 30mg 8 hourly for 1 day
IM Diclofenac 75mg 12 hourly for 1 day
IV Normal Saline 1L 8 hourly for 1 day