Mine all come in packs with the expiry date on the end of the box. I just checked my vast supply of warfarin packs and some expire in 2007 and some as far ahead as 2011.
I guess it really depends on when your pills were made, personally I wouldn't use a drug which says it has expired.
Lithotripsy for kidney stones 8 December 2004.
Began to feel unwell 19 December 2004, with hindsight, the beginning of endocarditis.
Stroke 12 March 2005.
Endocarditis diagnosed 16 March 2005.
MVR/AVR - ATS 30 June 2005.
Discharged 10 July 2005, taken ill on journey from hospital.
Admitted to hospital 14 July 2005, complete heart block.
Discharged from hospital 22 July 2005.
Returned to work 9am on 7 November, dismissed 9am 7 November 2005.