Intro
This is new data that wasn’t previously available on the internet in english.  It was available in Urdu.

The Quote

SEERATUL MAHDI PART III PAGE 721
“”(778). This was written to me by Peer Muhammad Manzoor sahab thru Molvi Abdurrehman Mubashar that hazrat sahab while in Lahore, perhaps a day before his death once he came out from inside and said I have had excessive loose motion today so I took three drops of Chlorodyne (a medicine containing alcohol and opium as major ingredients) this humble self says that hazrat sb had the complaint of loose motion most of his life time. But during last days he suffered from it one night before his death. It is however, possible that he might have slightly suffered from loose motion one or two days before his death and then it has suppressed.”””

The scan work
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My commentary
MGA must have been suffering from the effects of Cholera even a few days before he died.  In fact, the entire reason why he was in Lahore is dubious.  It seems that he was there for medical treatment, and was taking many medicines which contained high amounts of opium.  He could not have written any books in this condition, nor were any of his salaat accepted.