While you run to a drugstore each time your child gets a cold or cough, a study now points out that too many antibiotic courses may be doing more harm to your child and might interfere with his bone development.

Multiple courses of commonly used antibiotics may have a significant impact on children’s development, shows a study.

The study found that female mice treated with two classes of widely-used childhood antibiotics gained more weight and developed larger bones than untreated mice.

However, at the same time both of the antibiotics also disrupted the gut microbiome, the trillions of microbes that inhabit the intestinal tract.

For the study, the mice were given three short courses of amoxicillin (a broad-spectrum antibiotic), tylosin or a mixture of both drugs.

“The number of courses of antibiotics matters. We get a little interruption of the maturation process after the second course of antibiotics, and then we have even more interruption after three courses,” said lead co-author Laura M. Cox from the department of medicine at NYU School of Medicine.

Short, high-dose pulses of tylosin had the most pronounced and long-lasting effect on weight gain, while amoxicillin had the biggest effect on bone growth—a prerequisite for increased height.

The drugs altered not only the bacterial species, but also the relative numbers of microbial genes linked to specific metabolic functions.

Antibiotic-exposed microbiomes may be less adaptable to environmental changes, said the study.

The more pronounced effects of tylosin on weight gain and microbiome disruption are especially worrisome, given the increasing popularity of macrolide antibiotic prescriptions for children.

The accumulating evidence highlights the need for better awareness of the potential downsides of antibiotic overuse, the authors said.

The study appeared online in Nature Communications.

Source: IANS

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A lifestyle writer & editor for 8 years, Avantika Kukreti is a multi-platform media professional and has worked with some of the biggest media brands of India. She is fascinated by the dynamics of the social media and feels it’s the most-reliable news source in today’s times, if used wisely. Her recent three year stint in Shanghai has made her more health savvy after she watched the Chinese go lengths to maintain their fitness. When not working, she spends time watching Tom and Jerry, & Pocoyo re-runs with her daughter.