Child asthma linked to paracetamol: Giving the common medicine to children under 2 could cause could increase risk of respiratory disease, study finds
- Paracetamol is recommended by the NHS to treat most of childhood ailments
- Researchers found one variant of the GSTP1 gene was associated with asthma
- One professor shunned claims and said it may be an infection, not paracetamol
Children given paracetamol in their first two years of life may be at greater risk of asthma, a study has found.
Paracetamol is recommended by the NHS to treat most kinds of childhood ailments, including headache, stomach ache and cold symptoms, while it can also be used to reduce fever. The leading brand is Calpol.
Researchers looked at 620 children who were considered at high risk of an allergic disease because they had a family member with illnesses such as asthma, eczema, hay fever or a severe food allergy.
Giving Calpol to children under two years old could increase risk of getting asthma, major study finds
They rang families every four weeks for the first 15 months, then at 18 months and at two years to ask how many days the child had had paracetamol in the previous weeks.
When the children reached 18, they gave a blood or saliva sample which was tested for variants of the cell-protecting GST gene.
Researchers found one variant of the GSTP1 gene was associated with almost twice the risk of developing asthma.
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PhD student Xin Dai said: ‘We found that children with the … variant had 1.8 times higher risk of developing asthma by the age of 18 years.
‘Our findings provide more evidence that paracetamol use in infancy may have an adverse effect on respiratory health for children with particular genetic profiles and could be a possible cause of asthma.
One professor said: ‘The problem is that children are not given paracetamol early in life for no reason. They are often given it because they have respiratory infection
‘There is mounting evidence that the GST superfamily of genes, including three major classes … are associated with various diseases, including cancers, asthma, atherosclerosis, allergies, Alzheimer’s and Parkinson’s disease. Our study adds to this body of evidence.’
However, Professor Neil Pearce, from the London School of Hygiene and Tropical Medicine, said: ‘The problem is that children are not given paracetamol early in life for no reason. They are often given it because they have respiratory infection.
‘It may be the infection which increases the risk of asthma, not the paracetamol.’
The study by the University of Melbourne was presented to the European Respiratory Society International Congress in Paris.
Johnson & Johnson, the makers of Calpol, did not reply to a request for comment.
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