Arbidol (Umifenovir) is the active ingredient. It is an antiviral agent that inhibits viral fusion with host cell membranes and modulates host immune response to resist multiple respiratory viruses. Zongtong® is the domestic generic brand, and the overseas original reference drug has no official English brand name widely used in China.
Main Indications
For the treatment of influenza A and B virus infections in adults and children.
Clinical Research
Clinical studies showed arbidol can shorten the duration of fever and relieve respiratory symptoms in patients with influenza. It demonstrated activity against some other enveloped respiratory viruses in laboratory and clinical observational research. The granule formulation is designed for paediatric patients to facilitate administration.
Common Side Effects
Systemic reactions: nausea, diarrhoea;
Common mild adverse reactions: headache, dizziness, elevated transaminases. Rare serious adverse events: allergic reactions.
Approval Status in China
This domestic generic drug, marketed under brand name Zongtong®, was officially approved for marketing in China in 2020, with the specification of 0.1g, 12 sachets per box. It is currently a prescription antiviral drug.
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