system-clean Questions › Category: Questions › system-clean 0 Vote Up Vote Down Anne asked 5 years ago I took my last dose of my pain meds on Sunday at 7pm. Will my system be clean by wed am at 830am? 1 Answers 0 Vote Up Vote Down Jeffrey Fudin Staff answered 5 years ago Anne, It depends on what those pain meds were. Why would this matter if the medication was prescribed?