For some reason, when I reply on my phone it shows as a blank response.

Half life of baclofen is just 2 to 4 hours and a drug is considered more or less eliminated after 4 half lives. So 16 hours should be out of your system pretty much completely.
46, diagnosed with AS in early 2005 and on TNF-blockers since then: They have been miracle drugs for me. On Enbrel from spring 2005 to Nov 2008. On Humira from Nov 2008 to present. Baclofen and OTC anti-inflammatories as needed.

"You must be the change you wish to see in the world." --Gandhi