A nasal cold sore typically causes a burning sensation and blisters. Treatments like ointments and home remedies may help reduce symptoms. Cold sores are caused by the herpes simplex virus. This ...

Hay fever can cause symptoms such as a sore throat, itchy eyes, sneezing, and a blocked nose. People can try to avoid allergens to reduce symptoms. They may also take medications or use home remedies.

Sore throat (pharyngitis) and bad breath (halitosis) are two symptoms that can co-occur in many health conditions. Certain infections, such as tonsilitis, as well as sinusitis and acid reflux, can ...