GAVISCON EXTRA STRENGTH 500 LEMON TABLETS
Active substance(s): CALCIUM CARBONATE / SODIUM ALGINATE / SODIUM BICARBONATE
NAME OF THE MEDICINAL PRODUCT
Gaviscon Extra Strength 500 Lemon Tablets.
QUALITATIVE AND QUANTITATIVE COMPOSITION
Each tablet contains sodium alginate 500mg, sodium bicarbonate 267mg and calcium
For excipients, see Section 6.1.
An off-white to cream, circular, flat with bevelled edges tablet with the odour and flavour of
Treatment of symptoms of gastro-oesophageal reflux such as acid regurgitation, heartburn
and acid indigestion, for example, following meals or during pregnancy.
Posology and method of administration
For oral administration, after being thoroughly chewed.
Adults and children 12 years and over: Two to four tablets after meals and at bedtime.
Children under 12 years: Should be given only on medical advice.
Elderly: No dose modifications necessary for this age group.
This medicinal product is contraindicated in patients with known or suspected hypersensitivity to
the active substances or to any of the excipients listed in section 6.1.
Special warnings and precautions for use
If symptoms do not improve after seven days, the clinical situation should be reviewed.
The sodium content of a two-tablet dose is 246 mg (10.6 mmol). This should be taken into account
when a highly restricted salt diet is recommended. e.g. in some cases of congestive cardiac failure
and renal impairment.
Each two-tablet dose contains 320 mg (3.2 mmol) of calcium carbonate. Care needs to be taken in
treating patients with hypercalcaemia, nephrocalcinosis and recurrent calcium containing renal
Due to its aspartame content this product should not be given to patients with phenylketonuria.
Interaction with other medicinal products and other forms of interaction
A time-interval of 2 hours should be considered between Gaviscon intake and the administration of
other medicinal products, especially tetracyclines, fluoroquinolones, iron salts, thyroid hormones,
chloroquine, biphosphonates and estramustine. See also 4.4.
Fertility, pregnancy and lactation
Clinical studies in more than 500 pregnant women as well as a large amount of data from post-marketing experience
indicate no malformative nor feto/ neonatal toxicity of the active substances. Gaviscon can be used during pregnancy, if
No effects of the active substances have been shown in breastfed newborns/infants of treated mothers. Gaviscon can be
used during breast-feeding.
Pre-clinical investigations have revealed alginate has no negative effect on parental or offspring fertility or
Clinical data do not suggest that Gaviscon has an effect on human fertility.
Effects on ability to drive and use machines
Adverse reactions have been ranked under headings of frequency using the following convention:
very common (1/10), common (1/100 and <1/10), uncommon (1/1000 and <1/100), rare (1/10,000
and <1/1000), very rare (< 1/10,000) and not known (cannot be estimated from the available data).
System Organ Class
Immune System Disorders
Anaphylactic and anaphylactoid reactions.
Hypersensitivity reactions such as urticaria.
Respiratory, Thoracic and
Respiratory effects such as bronchospasm.
Reporting of Suspected Adverse Reactions
Reporting suspected adverse reactions after authorisation of the medicinal product is important. It
allows continued monitoring of the benefit/risk balance of the medicinal product. Healthcare
professionals are asked to report any suspected adverse reactions via the national reporting system.
In the event of overdosage symptomatic treatment should be given. The patient may notice
Pharmacotherapeutic classification: A02BX 13. Other drugs for peptic ulcer and gastrooesophageal reflux disease.
On ingestion Gaviscon Extra Strength 500 Lemon Tablets react rapidly with gastric acid to
form a raft of alginic acid gel having a near neutral pH and which floats on the stomach
contents effectively impeding gastro-oesophageal reflux. In severe cases the raft itself may
be refluxed into the oesophagus, in preference to the stomach contents, and exert a
The mode of action of Gaviscon Extra Strength 500 Lemon Tablets is physical and does not
depend on absorption into the systemic circulation.
Preclinical safety data
No pre-clinical findings of relevance to the prescriber have been reported.
List of excipients
Lemon flavour no. 1
Acesulfame potassium (E950)
Special precautions for storage
Do not store above 30°C. Store in the original package.
Nature and contents of container
Unprinted, glass-clear, thermoformable laminate of uPVC/PE/PVdC with aluminium foil
lidding blister trays into cartons.
Blister tray containing six or ight individually sealed tablets. Two, four, six or eight blister
trays in a carton.
Not all pack sizes may be marketed
Instruction for use and handling (, and disposal)
No special instructions.
No Data Held
MARKETING AUTHORISATION HOLDER
Reckitt Benckiser Healthcare (UK) Limited
MARKETING AUTHORISATION NUMBER
DATE OF FIRST AUTHORISATION/RENEWAL OF THE AUTHORISATION
7 October 2003
DATE OF REVISION OF THE TEXT
Source: Medicines and Healthcare Products Regulatory Agency
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