* patients under 18 years of age and over 60 years of age. * breastfeeding or pregnant women (with positive pregnancy blood test in women of childbearing age). * patients with mild pneumonia in the presence of risk factors or moderate or severe pneumonia (based on the severity criteria set by the ministry of health of argentina), or patients who require mechanical ventilation at screening. * patients in whom ntx and/or lactose is contraindicated. * any other contraindication based on the judgment of the treating physician.

* patients under 18 years of age and over 60 years of age. * breastfeeding or pregnant women (with positive pregnancy blood test in women of childbearing age). * patients with mild pneumonia in the presence of risk factors or moderate or severe pneumonia (based on the severity criteria set by the ministry of health of argentina), or patients who require mechanical ventilation at screening. * patients in whom ntx and/or lactose is contraindicated. * any other contraindication based on the judgment of the treating physician.

- patients under 18 years of age and over 60 years of age. - breastfeeding or pregnant women (with positive pregnancy blood test in women of childbearing age). - patients with mild pneumonia in the presence of risk factors or moderate or severe pneumonia (based on the severity criteria set by the ministry of health of argentina), or patients who require mechanical ventilation at screening. - patients in whom ntx and/or lactose is contraindicated. - any other contraindication based on the judgment of the treating physician.

- patients under 18 years of age and over 60 years of age. - breastfeeding or pregnant women (with positive pregnancy blood test in women of childbearing age). - patients with mild pneumonia in the presence of risk factors or moderate or severe pneumonia (based on the severity criteria set by the ministry of health of argentina), or patients who require mechanical ventilation at screening. - patients in whom ntx and/or lactose is contraindicated. - any other contraindication based on the judgment of the treating physician.