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What is Guaifenesin?

Guaifenesin is an expectorant drug used to thin mucus in the airways to make it easier to cough. It is also a mildly uricosuric medication that some researchers believe may help manage symptoms of fibromyalgia.

Reported Purpose & Efficacy

Reasons and Efficacy
Purpose # of patients
# of patients with evaluations Efficacy
Major
Moderate
Slight
None
Can’t tell
Fibromyalgia 58 21 Efficacy_major Efficacy_moderate Efficacy_slight Efficacy_none Efficacy_cant_tell
Other 36 4 Efficacy_major Efficacy_moderate
Excess mucus 27 6 Efficacy_major Efficacy_moderate Efficacy_slight
Sinusitis 12 2 Efficacy_major
Chest congestion 10 3 Efficacy_major Efficacy_moderate
ALS (Amyotrophic Lateral Sclerosis) 10 0

See all 167 patients currently taking Guaifenesin

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Reported Side Effects

Side effects as an overall problem

Severe
 2
Moderate
 2
Mild
 5
None
 40

Commonly reported side effects, conditions, and hospitalizations associated with Guaifenesin

Swollen feet 1
Weight gain 1
Dry eyes 1
Dry mouth (xerostomia) 1
Nausea sometimes 1
Pain in legs 1
See all 11 reported side effects ▼ See top 6 reported side effects ▲

Reported Dosages

Frequently reported dosages based on patients currently taking Guaifenesin. See all 46 dosages ►

  200mg as needed daily 600mg as needed 200 mg daily 400 mg daily 600 mg daily 800 mg daily 1,200 mg daily 1,800 mg daily 2,400 mg daily
  4 Number of Patients: 4 7 Number of Patients: 7 10 Number of Patients: 10 5 Number of Patients: 5 10 Number of Patients: 10 27 Number of Patients: 27 10 Number of Patients: 10 42 Number of Patients: 42 9 Number of Patients: 9 11 Number of Patients: 11  

Reported Stop Reasons

Why Patients Stopped Taking Guaifenesin (multiple reasons could be selected)
Reason # Patients Percentage of patients
Other 18   Other: 35%
Did not seem to work 17   Did not seem to work: 33%
Course of treatment ended 9   Course of treatment ended: 17%
Expense 7   Expense: 13%
Side effects too severe 3   Side effects too severe: 6%
Doctor's advice 2   Doctor's advice: 4%
Personal research 2   Personal research: 4%
Change in health plan coverage 2   Change in health plan coverage: 4%
Not indicated 1   Not indicated: 2%

See all 50 patients who’ve stopped taking Guaifenesin

Reported Duration See details about how long patients take this treatment ▼

Currently Taking Guaifenesin

A bar graph

0-1 month 1-3 months 3-6 months 6 months-1year 1-2 years 2 years or more

Stopped Taking Guaifenesin

A bar graph

0-1 month 1-3 months 3-6 months 6 months-1year 1-2 years 2 years or more

Reported Adherence, Burden & Cost See details from patient evaluations ▼

Adherence

Taking treatment as prescribed

Adherence of Guaifenesin

Always
 34 69%
Usually
 11 22%
Sometimes
 3 6%
Never
 1 2%

Burden

Difficulty being on treatment

Burden of Guaifenesin

Very
 3 6%
Somewhat
 4 8%
A little
 13 27%
Not at all
 29 59%

Cost

Paid out of pocket

Cost of Guaifenesin

$200+
 0 0%
$100-199
 0 0%
$50-99
 6 17%
$25-49
 10 29%
< $25
 19 54%

See more information, including instructions, precautions, side effects, and interactions.

Report created on February 12, 2012.