
My friend
is having ALLERGIC reaction to peanuts.
The Big Bang Theory Season 1, Episode 16

that says "ALLERGIC
to penicillin."
The Big Bang Theory Season 5, Episode 12

that doesn't have a list
of medications I'm ALLERGIC to.
The Big Bang Theory Season 7, Episode 7

...he's ALLERGIC to Earth nuts,
but I'm the alien.
The Big Bang Theory Season 8, Episode 21

Leonard, what if you have
an ALLERGIC reaction...
The Big Bang Theory Season 8, Episode 9