An old lady goes to the doctor. He asks her the problem. She tells him "I have had many silent farts that don't smell and that worries me".
About that time she cuts one and the doctor says 'OK I think i see the problem" . He fills out a prescription and tells her to take 2 of the pills daily and come back to see him in a week.
She goes back the next week and the first thing she says is "What did you do? My farts are still silent but now they stink to high heaven, "
The Doctor said "good, now that I have cleared up your sinuses we can start on your hearing".