Probiotics help with hay fever

American scientists have come to the conclusion that probiotics based on lactobacillus and bifidobacterium alleviate the symptoms of hay fever and significantly increase the quality of life of those with allergies during the season of flowering of trees and plants. This new method of treatment is reported in the pages of a popular medical journal by study author Jennifer Dennis of the Department of Dietetics and Human Nutrition at the University of Florida.

Hay fever (allergic rhinoconjunctivitis) is a common disease caused by plant pollen. Red eyes, runny nose, dermatitis and a general malaise are the first “spring swallows” for millions of people with seasonal allergies. Depending on the individual sensitivity to one or another plant, hay fever can worsen in the spring, throughout the summer and even in early autumn. To this day, the main medicines for hay fever remain antihistamines and nasal corticosteroids. However, all of them have one or another side effects. Therefore, not all sufferers can benefit from these medicines.

Probiotics offered by scientists are perfectly tolerated and do not cause side effects. Therefore, a combination of probiotics is recommended for all allergy sufferers. Research from past years suggests effectiveness of probiotics in seasonal allergy, however results vary widely depending on the strains of bacteria used. Now it seems that scientists have found the optimal combination. According to Dr. Denis, the human organism’s “friendly” lactobacilli and bifidobacteria maintain not only a healthy digestive tract, but also the balance in our immune system.

In the latest project, the researchers used a combination of probiotics included in the composition for the treatment of intestinal dysbacteriosis. 173 healthy adult volunteers with mild and moderate manifestations of seasonal allergy participated in the study. They were randomly divided into two groups, with the first group receiving probiotic capsules and the second a placebo. For 8 weeks they were not allowed to take any anti-allergic preparations, the experiment was conducted in the flowering season.

Participants taking lactobacilli and bifidobacteria noted a significant increase in quality of life and relief of rhinoconjunctivitis symptoms. The reason is that probiotics affect regulatory T cells. Although further research is required, scientists are convinced of the direct influence of beneficial bacteria on immunity. Probiotics stimulate the so-called regulatory T cells, which are called upon to control the strength and duration of any immune response.

“Not all probiotics are helpful for allergies, but these are really good. I think it’s worth a try for people with mild seasonal allergies,” says Dr. Dennis.

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