As of 2015, some examples of over-the-counter drugs include acetaminophen, ibuprofen and naproxen, states MedlinePlus. For cough and cold symptoms, guiafenesin, dextromethorphan, pseudoephedrine, phenylephrine and oxymetazoline are available in over-the-counter versions. Some over-the-counter allergy medications include diphenhydramine, loratadine, fexofenadine and cetirizine.
Medications to treat stomach issues are also available over-the-counter and include anti-diarrhea medications such as loperamide, motion sickness medication such as dimenhydrinate and meclizine, and rehydration fluids such as Pedialyte, according to MedlinePlus. For skin rashes, individuals can find hydrocortisone cream and anti-fungal creams and ointments over-the-counter. Individuals can also purchase some eye drops and nasal sprays over-the-counter.
Over-the-counter drugs are medications that individuals can purchase without a prescription from a health care provider. The Food and Drug Administration determines which medications are safe enough to sell without a prescription in the United States, explains MedlinePlus.
When taking over-the-counter drugs, individuals should make sure to read and follow the directions and warnings on the drug's label, states MedlinePlus. People who have chronic health problems or severe symptoms should contact a doctor before taking an over-the-counter medication. Those who take prescription medications should consult with a pharmacist or doctor before starting any over-the-counter drugs, to ensure that no interactions exist between their medications.