oh dear, Laura, if it's not one thing, it's another!
Have they given you anything to help ease the cough symptoms while they sort out the cause? Like an inhaler or cough syrup or anything?
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36/F - 1984 SAA treated with ATG [complete remission until] Oct 08 - burst blood vessels in eyes and low platelets; Jan 09 - AA & hypo-MDS; July 09 - BMT (RIC MUD PSCT) July 10 - 10k for Anthony Nolan (1yr post BMT! 53:48) Sep 10 - Wedding!

I've run 5 marathons now!! (PB 3:30!)