Is it okay to use levofloxacin for three days with a cold and cough and then take an oral antiviral solution?

Coughs due to colds are usually self-limiting illnesses, and the course of the illness has already passed 3 days, and the use of oral antiviral solutions is not effective. Antiviral treatment is not emphasized for colds in general, and there is no need for antiviral treatment.
Drink plenty of water during colds, eat a regular diet, and be careful not to eat stimulating, greasy, or spicy foods.
Colds caused by viral infections, the choice of antibiotic treatment, the general treatment is not ideal, it is best to carry out the relevant pathogenetic examination, you can screen the respiratory pathogenesis, including a variety of respiratory viruses test, blood routine, CRP, etc., to see whether there is a combination of bacterial infections, and if there is a combination of antibiotics can be used to treat, such as amoxicillin.
Specific medications should be administered under the direction of a physician.