Quotes: Side-Effects Include...

There's no 'i' in Teamocil
At least not where you think
So together let's make a choice
And for once we'll be in sync
Teamocil (I never really knew you well)
Teamocil (But now I think we really gel...)
Teamocil may decrease your sex drive

"And they never tell you what this pill does! They always show a lady on a horse or a man in the tub. And they just keep namin' symptoms until they name one that you got! Are you hot? Are you cold? Are you sad? Are you lonely? Do your teeth hurt? Whatcha got? You gotta take this pill! Shit, I saw one the other day that said, 'Do you go to bed at night...and wake up in the morning?'"

Dizziness, drowsiness, sexual dysfunction
Headaches and tremors and nightmares and seizures
Diarrhea, constipation, nervous laughter, palpitations
Anxiousness, anger, exhaustion, insomnia
Nervousness, lethary, nausea, vomiting
Odd and alarming sexual feelings
Oh, and one last thing.
Dean: Side effects of Herpexia include permanent erectile dysfunction, thoughts of suicide, and nausea.
Supernatural, "Changing Channels"

Warranty covers extra protection for bones only. The following side effects are not covered: relative vulnerability of other body tissues; inability of muscles to move and support metal-laden bones; inability of the metal-laden bones to produce red blood cells, leading to susceptibility to disease and death; deafness due to metal-laden ear bones; adamantium poisoning.
— Advertisement for adamantium steel endoskeleton on Villain Source.