Treatment of Influenza-like Illness with Dry and Productive Cough

Antiviral Treatment

The American Thoracic Society recommends antiviral treatment for patients with influenza-like illness who have acute symptoms, fever, and have been symptomatic for two days or less 1, 3, 4
The recommended antiviral regimen is oseltamivir 75 mg orally twice daily for five days, with a reduced dose for patients with impaired renal function 1, 2
Certain populations, including immunocompromised patients and the elderly, may benefit from antiviral treatment even without documented fever 4, 2
Hospitalized patients who are severely ill may benefit from antiviral treatment even if started more than 48 hours after symptom onset 1, 3

The British Thoracic Society recommends that previously well adults with acute bronchitis complicating influenza do not routinely require antibiotics 1, 4
Antibiotics should be considered in patients with worsening symptoms, those at high risk of complications, or with confirmed or suspected influenza-related pneumonia 1, 3, 4
The preferred antibiotic choices include co-amoxiclav or a tetracycline as first-line options, and a macrolide or a respiratory fluoroquinolone as alternative options 1, 3, 4

The American College of Chest Physicians recommends that most patients with non-severe cases can be adequately treated with oral medications 1, 4
Oral therapy with co-amoxiclav or a tetracycline is preferred when antibiotics are indicated 1, 3
For severe cases with pneumonia, immediate treatment with parenteral antibiotics is recommended, with an intravenous combination of a broad-spectrum beta-lactamase stable antibiotic plus a macrolide 1, 5, 3

The European Respiratory Society recommends follow-up clinical review for patients who experienced significant complications or worsening of their underlying disease 6, 4
At discharge or follow-up, provide patients with information about their illness, take-home medications, and any follow-up arrangements 1, 2

The Infectious Diseases Society of America recommends avoiding unnecessary antibiotic use in uncomplicated influenza cases without evidence of bacterial infection 1, 4
Be vigilant for signs of secondary bacterial pneumonia, which typically develops 4-5 days after initial influenza symptoms 7
Recognize that Staphylococcus aureus is a more common cause of secondary pneumonia during influenza outbreaks than in routine community-acquired pneumonia 7