As for medicine, Russia is a third world country... at least for those who can not afford private clinics.
When my son was very small, doctors for more than two years assigned him all kinds of antibiotics and could not cure... but it turned out that the snot was due to an allergy.
During this time they simply destroyed his immunity: (
I hope your son is better now. We need to look beyond conventional methods of treatment and find solutions like natural herbs to help with our problems
Thank you, now he's better!