Use Ismigen is indicated for acute and subacute infections of the upper and lower respiratory tracts, including complications after influenza (as part of combination therapy), such as bronchitis, tonsillitis, pharyngitis, laryngitis, rhinitis, sinusitis, otitis. It is also used for the prevention of exacerbations of recurrent infections of the upper and lower respiratory tracts and chronic bronchitis. How to take Ismigen is taken sublingually (under the tongue), on an empty stomach. The tablet should be held under the tongue until completely dissolved. Sublingual tablets should not be sucked, chewed, or swallowed. For acute and subacute infections of the upper and lower respiratory tracts, take 1 tablet daily until symptoms disappear (for at least 10 days). Contraindications Contraindications for the use of Ismigen include hypersensitivity to the active and/or excipients of the drug, pregnancy, breastfeeding, and age under 3 years.