After three days of rotating amoxicillin and levofloxacin for colds and coughs, if the symptoms do not improve, it is recommended to go to the hospital. Colds usually do not require antiviral treatment, but if they are caused by bacterial infections, cefdinir capsules can be used as prescribed by the doctor. Most colds are caused by viral infections of the upper respiratory tract, and usually do not require active treatment with medication, as the disease is self-limiting. Drugs such as amoxicillin, levofloxacin, and cefdinir are antimicrobials that are effective only after evidence of bacterial infection, such as pharyngeal pus moss, is present. Oral antiviral solutions are antiviral drugs, and the active use of antiviral drugs is not advocated for colds; the body’s own immunity usually accomplishes the killing of the virus. The body’s own immunity is usually sufficient to kill the virus. Active use of antiviral medication is only recommended for people with immunodeficiency diseases. Rest, drinking plenty of fluids, eating a light diet, and paying attention to indoor ventilation are recommended for colds. For severe fever and cough, antipyretic medications such as acetaminophen and cough suppressants such as dextromethorphan may be used cautiously under the supervision of a clinician. The above medications should be used under the guidance of a clinician and unauthorized use is prohibited; if you suspect that you have a cold, it is recommended that you go to the hospital for treatment.