SINGAPORE
- An ingredient used in some milk formula here has been found to cause
allergies in rare cases, said the authorities on Tuesday afternoon (July 13).
Called
galacto-oligosaccharide (GOS), the carbohydrate is typically added to help
promote good bacteria in the gut.
In a
joint statement, the Health Ministry and Agri-Food and Veterinary Authority
said that GOS is generally deemed safe for human consumption both in Singapore
and abroad.
However,
they cautioned those with a history of conditions such as eczema, asthma, or
allergic rhinitis to be careful when consuming products with this additive for
the first time. Members of the public can find out if a milk product contains
GOS by looking at the ingredient label.
Preliminary
results from a local research study estimated that around 3.5 per cent of
people predisposed to certain allergies aged between five and 60 may be
allergic to GOS, said MOH yesterday.
Allergy
symptoms include sneezing, throat and chest tightness, wheezing, hives, and
diarrhoea. They usually show up within minutes to hours of the allergen being
consumed.
"If
the symptoms include more serious symptoms, one should go directly to a
hospital emergency to seek immediate medical treatment," said Dr Alison
Lee, an associate consultant at the division of paediatric allergy, immunology
and rheumatology at the National University Hospital (NUH).
"After
appropriate medical treatment, the symptoms should resolve quickly within a few
hours."
Since
2007, about two cases of GOS allergies on average have been reported each year
in Singapore. All of them had a history of allergic conditions, and were found
to be sensitive to house dust mites. To date, there have been no reported cases
of GOS allergies in children below two years old.
Those
with no history of allergies are not likely to develop them due to eating GOS.
Similarly, those who have consumed products with GOS but show no allergic
reactions are unlikely to have this allergy.
Dr Chiang
Wen Chin, a paediatrician at Mount Elizabeth Hospital, added that this allergy
is mostly seen in Asia, although doctors are not yet sure why.
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