appears to undergo both oxidation and demethylation. Following an oral dose of 600 mg guaifenesin to 3 healthy male volunteers, the t½ was approximately 1 hour and the drug was not detectable in the blood after approximately 8 hours.
5.3 Preclinical safety data
Carcinogenicity
There is insufficient information available to determine whether guaifenesin has carcinogenic potential.
Mutagenicity
There is insufficient information available to determine whether guaifenesin has mutagenic potential.
Teratogenicity
There is insufficient information available to determine whether guaifenesin has teratogenic potential.
Fertility
There is insufficient information available to determine whether guaifenesin has the potential to impair fertility.
6. Pharmaceutical particulars
6.1 List of excipients
Xanthan gum
Sodium chloride
Saccharin sodium
Ammonium glycyrrhizate
Sodium benzoate (E211)
Citric acid anhydrous
Sodium citrate
Macrogol glycerol hydroxystearate 40
Levomenthol
Raspberry flavour F2126 (includes ethanol, glucose and fructose)
Caramel (E150) (includes glucose)
Ponceau 4R (E124)
Glycerol
Macrogol 1500
Propylene glycol
Ethanol 96%
Purified water
6.2 Incompatibilities
Not applicable.
6.3 Shelf life
3 years
In-use: 4 weeks
6.4 Special precautions for storage
Do not store above 25°C
Store in the original container to protect from light
6.5 Nature and contents of container
Type III, Amber glass bottle, containing 150ml, fitted with:
A plastic child resistant cap fitted with a PET-faced wad.
A plastic dosing cup marked with a 10ml graduation may be included in this pack.
6.6 Special precautions for disposal and other handling
No special requirements.
Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required (these should be disposed of in line with local requirements). These measures will help to protect the environment.
7. Marketing authorisation holder
McNeil Products Limited
Foundation Park
Roxborough Way
Maidenhead
Berkshire
SL6 3UG
United Kingdom
8. Marketing authorisation number(s)
PL 15513/0165
9. Date of first authorisation/renewal of the authorisation
5 May 2010
10. Date of revision of the text
30 June 2015