Rearranging the letters of 'Problems with flatulence' gives:
Hell! not rectal bumf-wipes!
(by mick Tully using Anagram Genius) (2007) (pending approval)
Thumb roll, wipe. Select fan!
(by Mick Tully using Anagram Genius) (2006) (pending approval)
'e's unwell - lift chamberpot.
(by Mick Tully using Anagram Genius) (2006) (pending approval)
Other related anagrams without their own page:
"The Bible.Problem is has more than one page.Ankh" -> "Improbableness Heathman Heliograph Betoken." (by Zbigniew Okolotowicz) (2006) (pending approval)
"The most severe flatulence" -> "Scheme: Let out eleven farts!" (by David Bourke using Anagram Genius) (2003)