Influenza patients who have been about 4 days before taking oseltamivir are also effective, only the effect is not as good.
Influenza virus infection should be used as soon as possible as soon as possible, oseltamivir, it is recommended that the use of 48 hours, which can effectively inhibit the replication of the influenza virus as well as the spread of the virus, to reduce the infection and toxicity of the virus.
If oseltamivir is used later, it is less effective, but can still be effective. This is because the virus has already replicated a certain number of times and its toxins have already reached all parts of the body to cause an inflammatory reaction.
The flu should be detected as early as possible, diagnosed as soon as possible, and treated with oseltamivir as soon as possible under the guidance of a doctor, which is able to achieve an effective therapeutic effect.