For a 6-day cough and throat irritation, you can try over-the-counter remedies. For a dry cough, a suppressant containing dextromethorphan can help, while throat lozenges or anesthetic sprays soothe irritation. If you are coughing up phlegm, an expectorant like guaifenesin helps clear mucus. You can also take ibuprofen or acetaminophen to relieve throat discomfort. Stay well-hydrated with warm fluids like tea with honey. Since your symptoms have lasted nearly a week, please see a doctor if they do not improve in the next few days, or if you develop warning signs like a high fever, shortness of breath, or chest pain. Avoid taking antibiotics without a doctor's prescription.