What is Mucinex?

Category: Over the Counter Drugs

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Generic name: Guaifenesin

See also: Mucinex DM

Mucinex is a brand name for the drug guaifenesin. Mucinex is an expectorant, meaning it helps with bringing up phlegm and other secretions from the throat and lungs. It is available in extended release formulas.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Excess mucus 25 6
Fibromyalgia 21 6
Sinusitis symptoms 15 2
General health 6 0
Chest congestion 4 3
Excess saliva 4 1

Show all 27 reasons taken


  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations
Severe 0
Moderate 3
Mild 3
None 18

Commonly reported side effects and conditions associated with Mucinex

Side effect Patients
Dry mouth 3
Abdominal bloating 1
Dizziness 1
Dry eyes 1
Muscle and joint pain 1
Nausea 1

Show all 8 reported side effects

Dosages

Based on patients currently taking Mucinex

Dosage Patients
360 mg daily 1
1,200 mg daily 1
1,800 mg daily 1
1,200 mg twice daily 1
3,600 mg daily 1
180mg as needed 1
600mg as needed 1

Why patients stopped taking Mucinex

Multiple reasons could be selected

Reason Patients
Course of treatment ended 8
Other 6
Did not seem to work 5
Personal research 3
Side effects too severe 3
Doctor's advice 2
Expense 1
See all 22 patients who've stopped taking Mucinex

Duration

Currently taking Mucinex

Duration Patients
6 months - 1 year 1
2 - 5 years 4
5 - 10 years 1
10 years or more 1

Stopped taking Mucinex

Duration Patients
Less than 1 month 3
1 - 6 months 11
6 months - 1 year 2
1 - 2 years 3
2 - 5 years 2
10 years or more 1
Adherence
Adherence Evaluations
Always 16
Usually 8
Sometimes 0
Never taken as prescribed 0
Burden
Burden Evaluations
Very hard to take 0
Somewhat hard to take 1
A little hard to take 9
Not at all hard to take 14
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 0
$50-99 1
$25-49 5
< $25 8
Not specified 10
Last updated:

4 patient evaluations for Mucinex

Feb 28, 2017 (Started Nov 27, 2013)

  • Effectiveness
    Major (for Excess mucus)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: As needed
Advice & Tips: My wife delivers it through my feeding tube. helps with Mucus buildup.
Cost: $25-49 monthly

Nov 23, 2016 (Started Nov 27, 2013)

  • Effectiveness
    Moderate (for Excess mucus)
  • Side effects
    None
  • Adherence
    Usually
  • Burden
    A little hard to take
Dosage: As needed
Advice & Tips: My wife delivers it through my feeding tube. helps with Mucus buildup.
Cost: $25-49 monthly

  • 0 helpful marks

Mar 5, 2011 (Started Oct 03, 2010)

  • Effectiveness
    Slight (for Excess mucus)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Somewhat hard to take
Dosage: 600 mg Daily

  • 0 helpful marks

Sep 4, 2010 (Started Aug 23, 2010)

  • Effectiveness
    Can’t tell (for fibromyalgia)
  • Side effects
    Mild (Abdominal bloating, Muscle and joint pain, Weight gain)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 1200 mg Daily
Advice & Tips: I just started Mucinex 400mg, 2x per day on 8/23/10~ I didn't notice any change in my Fibro symptoms so as prescribed I up'd my dosage to 600mg, 2 x per day. Within the first 48 hours my Fibro skyrocketed! Pain levels went from a 5-6 to an unbearable 9+ and it was a pain that seemed to travel thruout my body from one day to the next. I am also experience severe dry mouth and skin and have noticed that I am start to bloat up (as in water retention) and I'm not sure if this is a side effect or not. I will continue to take Mucinex and hope for a reprieve from the Fibro...
Cost: < $25 monthly
Side effects: Abdominal bloating, Weight gain, Muscle and joint pain

  • 0 helpful marks
Last updated:
Showing 3 of 4 patient evaluations for Mucinex