I Think What You Have Is A Pill With The Imprint M 15 And Not W 15. Here Are All The Ones It Could Be That I Have Found So Far.
Take A Look At This Link There Is One That Could Possibly Be The Pill You Have. Hopefully This Helps.
http://www.muschealth.com/cds/CPDrug...r.results.aspx
Could Also Be This From
www.pharmer.org :
Imprint: M 15
15 Mg Light Green Round Scored. Boxed M logo one side, 15 above score other side. Immediate-release
oxycodone.(Pain Reliever)
Here Are A Couple Other Results Too From
www.rxlist.com :
Imprint Code: M 15
Drug/Strength/Manufacturer:
MS Contin 15 mg - Purdue Frederick
Description: blue round tablet
Imprint Code: M 15
Drug/Strength/Manufacturer: Atropine Sulfate 0.025mg / Diphenoxylate Hydrochloride 2.5mg - Physicians Total Care
Description: Tablet
Really Hard To Tell Without The Color On This One. If None Of These Are Them Let Me Know And We Will Keep Hunting.
Just Trying To Help. Don't Quote Me.