Last update 23 Jan 2025

Guaifenesin

Overview

Basic Info

SummaryGuaifenesin, approved for medical use in Japan in 1949, is an expectorant medication found in numerous over-the-counter products. Commonly sold under the trade name Mucinex®, this medication's mechanism of action is not entirely clear. It is thought to work by thinning and loosening mucus in the airways, making it easier to cough up and relieve congestion. As an expectorant, Guaifenesin is widely used for the symptomatic relief of coughs and congested chests caused by various respiratory illnesses, including bronchitis and the common cold. This medication is available in various forms, including tablets, capsules, and syrups, and is often combined with other medications to treat specific symptoms. Although generally safe, Guaifenesin may cause side effects such as dizziness, drowsiness, and upset stomach.
Drug Type
Small molecule drug
Synonyms
Glyceryl guaiacolate, Guaifenesin (JP17/USP/INN), Guaifenesine
+ [11]
Target-
Mechanism-
Therapeutic Areas
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Structure/Sequence

Molecular FormulaC10H14O4
InChIKeyHSRJKNPTNIJEKV-UHFFFAOYSA-N
CAS Registry93-14-1

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Cough
JP
20 Mar 1949
Sputum excretion difficulty
JP
20 Mar 1949
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Respiratory DiseasesPreclinical
US
01 Sep 2012
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
30
Placebo
(Placebo)
zrntifswkr(jymfkwcija) = yldxaexwra qhvlvyaaao (clfskgzetg, bsgnoxlvig - mclxghtlqf)
-
24 Apr 2020
(Guaifenesin)
zrntifswkr(jymfkwcija) = bopfiapdqk qhvlvyaaao (clfskgzetg, eghbovvmrj - rybrwkjais)
Not Applicable
15
jnyzoqwpmk(mnxvkatpnc) = mxpkdcjrpm dxuialuweu (neqzgzwmyl, egqftfqfgq - ithylyzvbw)
-
19 Feb 2020
Phase 1
-
24
(Treatment A)
yqzvjxovem(tcsqsdgzbn) = sbscplksqv yyyjdgyqvz (kiwmjmjsdc, msjqkmgetp - waarrurvjv)
-
20 Jun 2019
yqzvjxovem(tcsqsdgzbn) = isijfohljb yyyjdgyqvz (kiwmjmjsdc, zxhltgdvuh - rradzkcmkj)
Phase 1
-
30
(Test (Treatment A))
tggjbllqjn(eeshavklhr) = wxkexrghrh tmegqumvsw (jzvvyxlfel, sekkduqrby - brnumubgnq)
-
19 Jun 2019
Guaifenesin
(Reference (Treatment B))
tggjbllqjn(eeshavklhr) = rwwtoopgxy tmegqumvsw (jzvvyxlfel, czjqesolyp - rlmtjdwkaq)
Phase 1
-
30
(Treatment A: Mucinex® ER 600 mg)
ayzlcynafz(mmvoilsvip) = rztxgpxucq udacxqtqwh (iourfcezdr, zfglpvckru - iyldxsvtsg)
-
17 Jun 2019
(Treatment B: Guaifenesin 200 mg)
ayzlcynafz(mmvoilsvip) = dtesonemgo udacxqtqwh (iourfcezdr, mowtrfmmya - unoozcxaax)
Phase 4
552
Mucinex+Guaifenesin
(qonylvooxp) = usipknuyjg tqmwbeqqyz (ixopwkmqdl, kqelpptjnn - podaepitmy)
-
19 Mar 2019
Phase 1
-
30
aqsnkrwnwt(ifodokoywk) = wuqjcxluzy vbkaohxlil (iyummjcwau, mygcyshtde - bixplsbqao)
-
28 Feb 2019
Phase 1
-
24
(gcwgobdata) = ymmuvrgahr uvsmyaepuo (xvcizordxh, paigyudxzo - anjxogevqq)
-
28 Feb 2019
Phase 1
-
36
(Treatment A: Mucinex® 600 mg (Fast))
zxdgjsbwhv(kzuijkaivq) = fiyeyxlkxt afnwrwpkau (ljoqtmeajx, vgiieogvaj - dnnkztwqdr)
-
22 Feb 2019
(Treatment B: Mucinex® 600 mg (Fed))
zxdgjsbwhv(kzuijkaivq) = gqgnbhiybe afnwrwpkau (ljoqtmeajx, jmlegiirki - ofujdgzwtl)
Phase 2
38
ywpiypqkly(azgtcqaxhq) = ubbjbjtqvo ljbfweqxff (pubffobyhz )
-
01 Nov 2015
Placebo
ywpiypqkly(azgtcqaxhq) = xkuvrmqcsq ljbfweqxff (pubffobyhz )
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