Sunshine 1997.

Methods	RCT, DB, single oral dose, 3 parallel groups Medication administered when baseline pain was of moderate to severe intensity Pain assessed at 0, 30, 60 mins, then hourly up to 6 hours.
Participants	Caesarian section or gynaecological surgery N = 120 All F Mean age 28 years
Interventions	Ibuprofen 400 mg, n = 40 Ibuprofen 400 mg + hydrocodone 15 mg, n = 40 Placebo, n = 39
Outcomes	PI: std 4 point scale PR: std 5 point scale PGE: std 5 point scale Numbers of participants using rescue medication Numbers with any adverse event Withdrawals
Notes	Oxford Quality Score: R1, DB2, W1 Rescue medication permitted.