* patients not covid-19 positive * patients with mild covid-19 infection * patients who are study subjects in another clinical study for another investigational agent for covid-19 * patients with malignant hypertension * patients with malignant disease and who are treated for malignant diseases in the last 5 years * patients with severe liver and kidney insufficiency * patients who are receiving therapy with an immunomodulatory or immunosuppressive agent * patients aged below 18, female patients who are pregnant or breastfeeding * known allergy to study drug or any component thereof * use of haloperidol, dopamine antagonists, or nonsteroidal anti-inflammatory drugs, except paracetamol.

* patients not covid-19 positive * patients with mild covid-19 infection * patients who are study subjects in another clinical study for another investigational agent for covid-19 * patients with malignant hypertension * patients with malignant disease and who are treated for malignant diseases in the last 5 years * patients with severe liver and kidney insufficiency * patients who are receiving therapy with an immunomodulatory or immunosuppressive agent * patients aged below 18, female patients who are pregnant or breastfeeding * known allergy to study drug or any component thereof * use of haloperidol, dopamine antagonists, or nonsteroidal anti-inflammatory drugs, except paracetamol.

- patients not covid-19 positive - patients with mild covid-19 infection - patients who are study subjects in another clinical study for another investigational agent for covid-19 - patients with malignant hypertension - patients with malignant disease and who are treated for malignant diseases in the last 5 years - patients with severe liver and kidney insufficiency - patients who are receiving therapy with an immunomodulatory or immunosuppressive agent - patients aged below 18, female patients who are pregnant or breastfeeding - known allergy to study drug or any component thereof - use of haloperidol, dopamine antagonists, or nonsteroidal anti-inflammatory drugs, except paracetamol.

- patients not covid-19 positive - patients with mild covid-19 infection - patients who are study subjects in another clinical study for another investigational agent for covid-19 - patients with malignant hypertension - patients with malignant disease and who are treated for malignant diseases in the last 5 years - patients with severe liver and kidney insufficiency - patients who are receiving therapy with an immunomodulatory or immunosuppressive agent - patients aged below 18, female patients who are pregnant or breastfeeding - known allergy to study drug or any component thereof - use of haloperidol, dopamine antagonists, or nonsteroidal anti-inflammatory drugs, except paracetamol.