What should patients be advised regarding the timeframe of symptom improvement when taking Oseltamivir?

When patients are taking Oseltamivir, it is important to inform them that symptoms of influenza typically begin to improve within 2-3 days after starting the medication. Oseltamivir, an antiviral drug, works by inhibiting the replication of the influenza virus, thus helping to reduce the duration of symptoms and the severity of the illness when taken promptly after the onset of symptoms.

Patients may start to feel better as their immune system responds and the medication begins to take effect. However, the benefits are most significant when Oseltamivir is started within the first 48 hours of symptom onset, as this timing maximizes its effectiveness. Thus, advising patients that they can expect symptom relief within 2-3 days provides a realistic expectation and encourages them to seek treatment early for better outcomes.