A Mucinex side effect report was submitted by a user.

Got a bout of
the flu, decided
to try mucinex liquid

I am dizzy, sleepy,
nauseous and just feel
awful

After taking this
medication, I have
severe pain

It feels like acid
running down the
sides of my stomach

Screaming in pain,
water doesn’t help

anxiety dizziness
weakness in legs
heart pounding
restlessness jitter

fainted

After two
days I have no sense
of smell or taste

Dilated pupils, eyes
sensitive to light,
sleepiness

Severe constant
headache in right
occipital area
for 24 hours

A very bad raising
of my temperature

IRRITABLE,
NERVOUSNESS,
PANIC ATTACK AND
SLEEPLESS
HEAT FLASHES
BLURRED VISION
WENT TO ER

17 HOURS LATER
STILL EXPERIENCING
PANIC ATTACK

Did not help with
cough, the main symptom
reliever on the bottle

Disappointed
13$ waste