Symbioflor1 Symbiopharm drops 50 ml. Activation of natural defenses, chronic recurrent infections of the upper airway inflammation in the mouth. Directions: Immunomodulation, chronic recurrent infections of upper respiratory tract, nose, pharynx and middle ear, colds and gastrointestinal function disorders. At what dose and how often should Symbioflor ® one to take? Adults: 30 drops three times daily. Children: Reduce the dose for infants and children properly (for example, 20 drops 3 times a day for children, 10 drops 3 times a day for infants).