Bismuth Neoflash 30 tablets. The trace element Bismuth in the form of one of the most effective natural remedies for all ENT diseases or infections (otitis, sinusitis, pharyngitis, laryngitis, tonsillitis, etc.). Composition: For dispersible tablet: - Bismuth (subnitrate) ... 0.0350 mg. Dosage: Let dissolve one tablet under the tongue, 1 or more times a day.