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Mucinex Side Effects

Common Mucinex Side Effects


The most commonly reported Mucinex side effects (click to view or check a box to report):

Dizziness (191)
Blood Pressure Increased (172)
Epistaxis (151)
Headache (121)
Nausea (107)
Hallucination (100)
Dyspnoea (99)
Feeling Abnormal (89)
Insomnia (81)
Heart Rate Increased (76)
Anxiety (69)
Diarrhoea (68)
Vomiting (66)
Hypertension (63)
Loss Of Consciousness (60)
Haemoptysis (57)
Confusional State (57)
Asthenia (49)
Tremor (48)
Somnolence (44)

➢ More



If you or someone in your family has experienced a serious side effect to a health product, you are encouraged to report the experience to your health care professional (e.g. physician, pharmacist). You could also complete a copy of the side effect reporting form or report your side effect to FDA.

Side effects reports are analyzed to discover potential health product safety signals. Some important reactions may take an extremely long time to develop or occur infrequently. Continued monitoring of adverse reactions is thus essential to maintain a comprehensive safety and effectiveness profile of health products.

Mucinex Side Effects Reported to FDA

The following Mucinex reports list potential signals of serious risks and new safety information that were identified using the FDA Adverse Event Reporting System (FAERS).
FAERS is a database that contains information on adverse event and medication errors reports submitted to FDA by healthcare professionals (such as physicians, pharmacists, nurses and others), consumers (such as patients, family members, layers and others) and manufacturers.


The appearance of Mucinex on this list does not mean that FDA has concluded that the drug has the listed risk. It means that FDA has identified a potential safety issue, but it does not mean that FDA has found a causal relationship between the drug and the listed risk.
Blood Pressure Increased
This is a report of a 60-year-old female patient (weight: NA) from US, suffering from the following symptoms/conditions: cough, who was treated with Mucinex Dm Maximum Strength (dosage: Started 1 Tablet Every 12 Hours In ??/jan/2014, start time: NS), combined with: NA. and developed a serious reaction and side effect(s). The consumer presented with:
  • Blood Pressure Increased
which developed after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Mucinex Dm Maximum Strength treatment in female patients, resulting in blood pressure increased side effect.

Blood Pressure Increased, Dizziness
This report suggests a potential Mucinex Blood Pressure Increased, Dizziness side effect(s) that can have serious consequences. A 61-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: NA and used Mucinex (dosage: Took 1 Tablet Orally On 02-mar-2014.) starting Mar 02, 2014. Soon after starting Mucinex the patient began experiencing various side effects, including:
  • Blood Pressure Increased
  • Dizziness
Drugs used concurrently:
  • Tamiflu
Although Mucinex demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as blood pressure increased, may still occur.

Eye Pruritus, Eye Swelling, Dysphagia, Pharyngeal Oedema, Swelling Face, Dry Skin
This Eye Pruritus, Eye Swelling, Dysphagia, Pharyngeal Oedema, Swelling Face, Dry Skin problem was reported by a consumer or non-health professional from US. A 53-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: nasopharyngitis,oropharyngeal pain. On Mar 03, 2014 this consumer started treatment with Mucinex Fast Max Cold, Flu + Sor, 20 Ml, Reckitt Benckiser (dosage: Taken By Mouth). The following drugs were being taken at the same time: NA. When commencing Mucinex Fast Max Cold, Flu + Sor, 20 Ml, Reckitt Benckiser, the patient experienced the following unwanted symptoms/side effects:
  • Eye Pruritus
  • Eye Swelling
  • Dysphagia
  • Pharyngeal Oedema
  • Swelling Face
  • Dry Skin
Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as eye pruritus, may become evident only after a product is in use by the general population.

Trismus
This is a report of a 16-year-old female patient (weight: NA) from US. The patient developed the following symptoms/conditions: NA and was treated with Mucinex D (dosage: 1 Tablet 2 Times Daily.) starting Feb 26, 2014. Concurrently used drugs:
  • Biaxin
Soon after that, the consumer experienced the following side effects:
  • Trismus
This opens a possibility that Mucinex D treatment could cause the above reactions, including trismus, and some female subjects may be more susceptible.


Anuria, Dysuria, Constipation, Abdominal Pain Upper
A 79-year-old male patient (weight: NA) from US with the following symptoms/conditions: NA started Mucinex Maximum Strength treatment (dosage: Patient Took Last Dose At 8:00 P.m. On 27-feb-2014. Patient Took Approximately 7-8 Doses.) on Feb 24, 2014. Soon after starting Mucinex Maximum Strength treatment, the subject experienced various side effects, including:
  • Anuria
  • Dysuria
  • Constipation
  • Abdominal Pain Upper
Concurrently used drugs:
  • Bactrim
This finding indicates that some male patients could be more vulnerable to Mucinex Maximum Strength.

Epistaxis
A 71-year-old male patient from US (weight: NA) experienced symptoms, such as: NA and was treated with Mucinex Fast Max Caplets Cold, Flu + Sore Throat(dosage: Patient Took Last Dose On 24-feb-2014.). The treatment was initiated on Feb 23, 2014. After that a consumer reported the following side effect(s):
  • Epistaxis
Concurrently used drugs, which potentially could have contributed to side effect(s) or affected Mucinex Fast Max Caplets Cold, Flu + Sore Throat efficacy: NA.

Sinusitis, Pupil Fixed, Heart Rate Increased, Tremor, Mydriasis, Feeling Abnormal, Abdominal Distension, Abdominal Pain Upper
In this report, Mucinex Dm Maximum Strength was administered for the following condition: NA.A 33-year-old male consumer from US (weight: NA) started Mucinex Dm Maximum Strength treatment (dosage: Took Last On 12/feb/2014) on Feb 11, 2014.Sometime after starting the treatment, the patient complained of the following side effect(s):
  • Sinusitis
  • Pupil Fixed
  • Heart Rate Increased
  • Tremor
  • Mydriasis
  • Feeling Abnormal
  • Abdominal Distension
  • Abdominal Pain Upper
A possible interaction with other drugs could have contributed to this reaction: NA.Establishing a causal relationship between a specific drug and consumer's side effects is complex, but it is possible that in this report Mucinex Dm Maximum Strength treatment could be related to the listed above side effect(s).

Vertigo, Dizziness, Balance Disorder, Cold Sweat, Vomiting
This is a report of the following Mucinex D side effect(s):
  • Vertigo
  • Dizziness
  • Balance Disorder
  • Cold Sweat
  • Vomiting
A 42-year-old male patient from US (weight: NA) presented with the following condition: NA and received a treatment with Mucinex D (dosage: Patient Took 1 Tablet 1 Time At 6:00 P.m. On 09-feb-2014.) starting: Feb 09, 2014.The following concurrently used drugs could have generated interactions:
  • Claritin D
The patient was hospitalized.This report suggests that a Mucinex D treatment could be associated with the listed above side effect(s).

Epistaxis
This Mucinex Maximum Strength report was submitted by a 50-year-old male consumer from US (weight: NA). The patient was diagnosed with: NA and Mucinex Maximum Strength was administered (dosage: NA) starting: Feb 17, 2014. The consumer developed a set of symptoms:
  • Epistaxis
Other drugs used simultaneously: NA.Those unexpected symptoms could be linked to a Mucinex Maximum Strength treatment, however establishing a potential drug-safety problem requires a more detailed clinical analysis.

Hypertension, Myocardial Infarction, Chest Pain, Electrocardiogram St Segment Elevation, Myocardial Stunning, Vomiting
This is a report of a possible correlation between Mucinex Fast Max Caplet Cough use and the following symptoms/side effect(s):
  • Hypertension
  • Myocardial Infarction
  • Chest Pain
  • Electrocardiogram St Segment Elevation
  • Myocardial Stunning
  • Vomiting
which could contribute to an assessment of Mucinex Fast Max Caplet Cough risk profile.A 56-year-old female consumer from US (weight: NA) was suffering from nasal congestion,cough,hypertension and was treated with Mucinex Fast Max Caplet Cough (dosage: Took Last On 15/feb/2014.) starting Feb 14, 2014.Other concurrent medications: NA.The patient was hospitalized.

Epistaxis
A 85-year-old male patient from US (weight: NA) presented with the following symptoms: NA and after a treatment with Mucinex Maximum Strength (dosage: Patient Took Last Dose At 8:00 A.m. On 17-feb-2014.) experienced the following side effect(s):
  • Epistaxis
The treatment was started on Feb 15, 2014. Mucinex Maximum Strength was used in combination with the following drugs:
  • Daily Multi-vitamin
  • Baby Aspirin (Patient Was Taking The Product Every Day.)
This report could alert potential Mucinex Maximum Strength consumers.

Anxiety, Dizziness
In this report, a 38-year-old female patient from US (weight: NA) was affected by a possible Mucinex Dm side effect.The patient was diagnosed with NA. After a treatment with Mucinex Dm (dosage: Accidentally Used Two Tablets., start date: Feb 19, 2014), the patient experienced the following side effect(s):
  • Anxiety
  • Dizziness
The following simultaneously used drugs could have led to this reaction:
  • Multivitamin
The findings here stress that side effects should be taken into consideration when evaluating a Mucinex Dm treatment.

Blood Pressure Increased
This is a report of a 67-year-old female patient from US (weight: NA), who used Mucinex Sinus Max Pressure And Pain (dosage: 2 Caplets Every 6 Hours; Last Took On 14-feb-2014) for a treatment of NA. After starting a treatment on Feb 10, 2014, the patient experienced the following side effect(s):
  • Blood Pressure Increased
The following drugs could possibly have interacted with the Mucinex Sinus Max Pressure And Pain treatment NA.Taken together, these observations suggest that a Mucinex Sinus Max Pressure And Pain treatment could be related to side effect(s), such as Blood Pressure Increased.

Blood Pressure Increased, Off Label Use
This blood pressure increased side effect was reported by a consumer or non-health professional from US. A 82-year-old male patient (weight:NA) experienced the following symptoms/conditions: emphysema,influenza,pneumonia,increased upper airway secretion. The patient was prescribed Mucinex Dm (dosage: 2-4 Tablets In Every 24 Hours), which was started on NS. Concurrently used drugs: NA. When starting to take Mucinex Dm the consumer reported the following symptoms:
  • Blood Pressure Increased
  • Off Label Use
These side effects may potentially be related to Mucinex Dm.

Hypertension, Dizziness, Vomiting
This is a Mucinex Fast Max Severe Cold, Flu, Throat Liquid side effect report of a 47-year-old male patient (weight:NA) from US, suffering from the following symptoms/conditions: influenza like illness, who was treated with Mucinex Fast Max Severe Cold, Flu, Throat Liquid (dosage:Took 20ml Every 4-6 Hours, start time: Feb 01, 2014), combined with: NA., and developed a serious reaction and a hypertension side effect. The patient presented with:
  • Hypertension
  • Dizziness
  • Vomiting
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Mucinex Fast Max Severe Cold, Flu, Throat Liquid treatment in male patients suffering from influenza like illness, resulting in hypertension.

Disturbance In Attention, Unevaluable Event, Confusional State
This report suggests a potential Mucinex Dm disturbance in attention side effect(s) that can have serious consequences. A 41-year-old female patient from US (weight:NA) was diagnosed with the following health condition(s): NA and used Mucinex Dm (dosage: NA) starting NS. Soon after starting Mucinex Dm the patient began experiencing various side effects, including:
  • Disturbance In Attention
  • Unevaluable Event
  • Confusional State
Drugs used concurrently:NA. Although Mucinex Dm demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as disturbance in attention, may still occur.

Restlessness, Psychomotor Hyperactivity, Tremor, Insomnia, Flatulence
This restlessness problem was reported by a consumer or non-health professional from US. A 75-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): cough.On Feb 05, 2014 a consumer started treatment with Mucinex Dm Maximum Strength (dosage: Patient Last Took On 06-feb-2014). The following drugs/medications were being taken at the same time: NA. When commencing Mucinex Dm Maximum Strength, the patient experienced the following unwanted symptoms /side effects:
  • Restlessness
  • Psychomotor Hyperactivity
  • Tremor
  • Insomnia
  • Flatulence
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as restlessness, may become evident only after a product is in use by the general population.

Depression, Fatigue, Feeling Abnormal, Unevaluable Event
This is a Mucinex Dm side effect report of a 43-year-old male patient (weight: NA) from US. The patient developed the following symptoms/conditions: NA and was treated with Mucinex Dm (dosage: Took 6 Doses In Late November.) starting NS. Concurrently used drugs: NA. Soon after that, the consumer experienced the following of symptoms:
  • Depression
  • Fatigue
  • Feeling Abnormal
  • Unevaluable Event
This opens a possibility that Mucinex Dm could cause depression and that some male patients may be more susceptible.

Loss Of Control Of Legs, Hypoaesthesia, Paraesthesia, Feeling Drunk
A 17-year-old female patient (weight: NA) from US with the following symptoms: NA started Mucinex Dm Maximum Strength treatment (dosage: Took 7 Tablets In Total.) on Jan 20, 2014. Soon after starting Mucinex Dm Maximum Strength treatment, the consumer experienced several side effects, including:
  • Loss Of Control Of Legs
  • Hypoaesthesia
  • Paraesthesia
  • Feeling Drunk
. Concurrently used drugs: NA. This finding indicates that some patients can be more vulnerable to developing Mucinex Dm Maximum Strength side effects, such as loss of control of legs.

Eyelid Oedema, Lacrimation Increased, Hypoaesthesia, Hypersensitivity
This eyelid oedema side effect was reported by a consumer or non-health professional from US. A 49-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Mucinex Dm (dosage: NA), which was started on Jan 31, 2014. Concurrently used drugs: NA..When starting to take Mucinex Dm the consumer reported symptoms, such as:
  • Eyelid Oedema
  • Lacrimation Increased
  • Hypoaesthesia
  • Hypersensitivity
These side effects may potentially be related to Mucinex Dm.

Amnesia, Confusional State, Disorientation, Condition Aggravated
This is a report of a 49-year-old female patient (weight: NA) from US, suffering from the following symptoms/conditions: NA, who was treated with Mucinex Fast-max Dm Max (dosage: NA, start time: Jan 23, 2014), combined with:
  • Mucinex Fast Max Caplet Day (dextromethorphan)
  • Mucinex Fast Max Caplet Day (guaifenesin)
  • Mucinex Fast Max Caplet Day (phenylephrine)
  • Mucinex Fast Max Caplet Night (acetaminophen)
  • Mucinex Fast Max Caplet Night (diphenhydramine)
  • Mucinex Fast Max Caplet Night (phenylephrine)
and developed a serious reaction and side effect(s). The consumer presented with:
  • Amnesia
  • Confusional State
  • Disorientation
  • Condition Aggravated
which developed after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Mucinex Fast-max Dm Max treatment in female patients, resulting in amnesia side effect.

Urticaria, Rash, Pharyngeal Oedema, Abdominal Pain Upper, Local Swelling
This report suggests a potential Mucinex Urticaria, Rash, Pharyngeal Oedema, Abdominal Pain Upper, Local Swelling side effect(s) that can have serious consequences. A 50-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: cough,nasopharyngitis and used Mucinex (dosage: Max Dose Per 4 Hr Taken By Mouth) starting NS. Soon after starting Mucinex the patient began experiencing various side effects, including:
  • Urticaria
  • Rash
  • Pharyngeal Oedema
  • Abdominal Pain Upper
  • Local Swelling
Drugs used concurrently: NA. Although Mucinex demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as urticaria, may still occur.

Haemoptysis, Epistaxis, Thrombosis
This Haemoptysis, Epistaxis, Thrombosis problem was reported by a consumer or non-health professional from US. A 63-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On Jan 20, 2014 this consumer started treatment with Mucinex Dm (dosage: One Tablet Every 12 Hours). The following drugs were being taken at the same time: NA. When commencing Mucinex Dm, the patient experienced the following unwanted symptoms/side effects:
  • Haemoptysis
  • Epistaxis
  • Thrombosis
Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as haemoptysis, may become evident only after a product is in use by the general population.

Palpitations, Dizziness, Asthenia, Urine Output Decreased
This is a report of a 18-year-old female patient (weight: NA) from US. The patient developed the following symptoms/conditions: sinus congestion,sinusitis and was treated with Mucinex D Maximum Strength (dosage: NA) starting Jan 30, 2014. Concurrently used drugs: NA.Soon after that, the consumer experienced the following side effects:
  • Palpitations
  • Dizziness
  • Asthenia
  • Urine Output Decreased
This opens a possibility that Mucinex D Maximum Strength treatment could cause the above reactions, including palpitations, and some female subjects may be more susceptible.

Hypersensitivity, Pharyngeal Oedema, Throat Tightness, Dyspnoea, Hypopnoea, Dry Mouth, Dizziness
A 73-year-old female patient (weight: NA) from US with the following symptoms/conditions: NA started Mucinex D treatment (dosage: Took 1 Tablets On 07-feb-2014.) on Feb 07, 2014. Soon after starting Mucinex D treatment, the subject experienced various side effects, including:
  • Hypersensitivity
  • Pharyngeal Oedema
  • Throat Tightness
  • Dyspnoea
  • Hypopnoea
  • Dry Mouth
  • Dizziness
Concurrently used drugs:
  • Crestor
  • Amlodipine
  • Antibiotic
This finding indicates that some female patients could be more vulnerable to Mucinex D.

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Top 10 Mucinex Side Effects for Women

Women Side EffectsReports
Dizziness 137
Blood Pressure Increased 107
Headache 78
Dyspnoea 75
Nausea 75
Epistaxis 67
Feeling Abnormal 65
Hallucination 58
Diarrhoea 49
Insomnia 48

Top 10 Mucinex Side Effects for Men

Men Side EffectsReports
Epistaxis 81
Blood Pressure Increased 65
Dizziness 52
Headache 43
Hallucination 41
Insomnia 33
Nausea 31
Haemoptysis 30
Heart Rate Increased 29
Urticaria 26

Keep Track of Side Effects

Note Your Observations

It is really important to keep of your symptoms, right from the time you start a new medicine. You can do it any way you prefer: in a notebook, in a computer file or using our online tool. You should also note down any other medicines you are taking at the same time, because there could be an interaction between these medicines.

Why Your Notes are Important

Your notes could be helpful in several ways:

  • You can use them to remind you of details that may alert your health care professional(s) to a problem
  • You will have a record to refer to in the future, in case you are ever prescribed the same medicine again

  • Log Form

    You can use the following log form to write down important information, like the date and time you experienced a side effect and your symptoms, how strong the symptoms were, and any other medicines you were using.

    Medicine Name and Dosage:
    Side Effects Scale Date & Time Other Medicine(s) or Treatment(s)
    Scale: 1 = very mild to 10 = very bad

    You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


    Discuss Mucinex Side Effects

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    How Effective is Mucinex for You?

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    Mucinex Safety Alerts, Active Ingredients, Usage Information

    NDC17856-0008
    TypeHUMAN OTC DRUG
    Proprietary NameMucinex
    NameGuaifenesin
    Dosage FormTABLET, EXTENDED RELEASE
    RouteORAL
    On market since20120703
    LabelerAtlantic Biologicals Corps
    Active Ingredient(s)GUAIFENESIN
    Strength(s)600
    Unit(s)mg/1
    Pharma Class

    More About Mucinex

    Side Effects reported to FDA: 1290

    Mucinex safety alerts: No

    Reported deaths: 7

    Reported hospitalizations: 84

    Latest Mucinex clinical trials