Coprastasophobia is the fear of constipation

NB: No, this is not Nutella

And a few other fears you might have:

Consecotaleophobia - Fear of chopsticks
Coulrophobia - Fear of clowns
Hexakosioihexekontahexaphobia - Fear of number 666
Hippopotomonstrosesquipedaliophobia - Fear of long words
Katagelophobia - Fear of ridicule (I probably don't have this one since I'm doing this blog.)
Melissophobia - Fear of bees
Peladophobia - Fear of bald people
Samhainophobia - Fear of Halloween
Walloonphobia - Fear of the Walloons