An oral dosage form of Spirulina aqueous extract is described here for delivering medications to alleviate symptoms of influenza virus. Most potent antiviral principles of spirulina being polysaccharides with molecular weight ranging from 100-300 kDa, there is need to provide permeation enhancers that help these polysaccharides in crossing the mucus membrane of oropharynx. Apart from enhancing the permeation, the formulation provides sustained effect to ameliorate symptoms of cold, cough, headache, fever related to influenza viral infection.
