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Review: Mucinex d side effects

In this review, we analyze Mucinex d side effects by the time on the drug, gender and age (0-60+) of the people who have side effects while taking Mucinex d. The review is based on 123 people who have side effects while taking Mucinex d from FDA and social media, and is updated regularly.

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What is Mucinex d

Mucinex d (latest outcomes from 461 users) has active ingredients of guaifenesin; pseudoephedrine hydrochloride. It is often used in sinus congestion.

On Apr, 1, 2015: 123 people who reported to have side effects when taking Mucinex d are studied


Most common side effects over time * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
Rectal BleedingRinging In The EarsFrequent Or Urgent UrinationDeathHyponatraemiaNausea And VomitingExhaustion, Fatigue, Lethargy, Tiredness, WearinessTaste Loss
DizzinessWeight Gain PoorSleepSwelling Of FingersRashMacrocytosisStools - Pale Or Clay Colored
Dry MouthUrgent UrinationConstipationAnxiety
Personality ChangePain - JointsDiarrhoea
Chest PainDry ThroatChills
Babies And DiarrheaNauseaPain
Vulvovaginal DrynessHallucinationSleeplessness
PhotophobiaDepressionSide Effects
Urination - Bed WettingFlushing AggravatedSinus
Headache - TensionTendon PainPancreatitis

Most common side effects by gender * :

Nausea And VomitingDisorientation
Dry MouthSore Throat Nos
DizzinessPersonality Change
SleeplessnessUrination - Bed Wetting
PhotophobiaHeadache - Tension
Taste LossErection Problems
Babies And DiarrheaStools - Pale Or Clay Colored
Chest PainNausea

Most common side effects by age * :

n/aUrticariaInsomniaDizzinessSore Throat NosPersonality ChangeSleeplessnessTaste Loss
MalaiseChest PainErectile DysfunctionBabies And DiarrheaRashPhotophobia
Blood Test AbnormalNausea And VomitingDisorientationDepression AggravatedItchingErection Problems
IleusVulvovaginal DrynessDepressionUrgent UrinationSinusHyponatraemia
Seizure Like PhenomenaToothacheSwelling Of The Ankles - Feet - LegsUrination - Bed WettingRinging In The Ears
Orthostatic HypotensionNauseaPain - JointsAnxietyTendon Pain
Rectal BleedingHallucinationFrequent Or Urgent UrinationStools - Pale Or Clay ColoredHypertension
DiarrhoeaDry ThroatExhaustion, Fatigue, Lethargy, Tiredness, WearinessChillsPain
FatigueHeart AttackWeight Gain PoorEar Congestion
HypoglycaemiaMuscle CrampsOtitis Media AcuteNot Effective

* Some reports may have incomplete information.

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Are you taking Mucinex d?




On eHealthMe, Mucinex D (guaifenesin; pseudoephedrine hydrochloride) is often used for sinus congestion. Find out below the conditions Mucinex D is used for, how effective it is, and any alternative drugs that you can use to treat those same conditions.

What is Mucinex D used for and how effective is it:

Other drugs that are used to treat the same conditions:

Studies of common Mucinex d drug interactions:

Browse Mucinex d drug interactions with drugs from A to Z:

NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only, and has not been supported by scientific studies or clinical trials unless otherwise stated. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

You may report adverse side effects to the FDA at or 1-800-FDA-1088 (1-800-332-1088).

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.


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