IGHE and asthma: The oral form of probiotics has questionable effects in the treatment of asthma, but improvements have been observed regarding the frequency of asthma attacks, while the addition of prebiotics has been shown to be beneficial in the prevention of asthma, and symbiotics seem to have an effect in reducing wheezing, the use of asthmatic medication, the management of the condition, but not in the decrease of serum IgE in the studied group, the data in the literature is limited in part by the fact that many studies do not differentiate prebiotics from probiotics and symbiotics [103].