<human>:  How do I treat a cold?
<bot>: To treat a cold, start by getting plenty of rest and staying hydrated by drinking lots of fluids. you can also take over-the-counter medications, such as antihistamines, decongestants, and pain relievers to help reduce your symptoms. If necessary, talk to your doctor about taking a prescription medication to help relieve your cold symptoms. To prevent a cold from getting worse, you can also try using a humidifier and a saline nasal rinse to help clear your nasal passages and reduce congestion.