What causes sneezing, runny nose and itchy eyes?

Patients with sneezing, runny nose, itchy eyes and other discomforts may be related to allergic rhinitis, upper respiratory tract infections and so on.
1. Allergic rhinitis: If the patient belongs to an allergic body, inhaling allergenic substances, such as pollen, mites, irritating odors, etc., can cause allergic rhinitis attacks, and the patient may have a runny nose, sneezing, itchy nose and other discomfort symptoms.
2. Upper respiratory tract infection: If the patient’s upper respiratory tract is infected due to bacterial or viral infection, under the stimulation of inflammation, the patient may have a runny nose, sneezing and other uncomfortable symptoms. If the virus or bacteria enter the conjunctiva through the nasolacrimal duct, it can cause conjunctivitis, and the patient may also have itchy eyes, conjunctival congestion, photophobia and other symptoms.
Patients with sneezing, runny nose and itchy eyes are advised to consult a doctor to assess their condition and follow the doctor’s instructions.