Hot weather and runny nose

Some people think that a runny nose on a hot day means they have a cold. Although a cold can cause a runny nose, there are other reasons that can cause a runny nose. So what's the matter with the hot weather and runny nose?

1. Allergic rhinitis

Allergic rhinitis, also called allergic rhinitis, is a multifactorial disease induced by the interaction of genes and the environment; mainly caused by mites, pollen, Allergic reactions caused by allergens such as animal dander, fungi, cockroaches, and food;

The main symptoms are sneezing, runny nose, nasal congestion, and nasal itching; the nasal discharge is a large amount of water, and sometimes it can occur unconsciously Drip from the nostrils.

2. Chronic rhinitis

Chronic rhinitis is a chronic inflammation of the nasal mucosa and submucosa. The main feature is that the inflammation lasts for more than three months or recurs repeatedly and does not heal; Mainly Symptoms include nasal congestion and runny nose; mostly translucent mucus nasal discharge, which is difficult to blow out. Purulent discharge may occur after secondary infection. The nasal discharge can flow into the throat through the posterior nostril, causing throat discomfort, phlegm, cough and other symptoms. .

3. Chronic sinusitis

Chronic sinusitis is a chronic purulent inflammation of the sinuses, which can aggravate the patient’s symptoms of respiratory infection; the main symptoms are nasal congestion, headache, smell disorder, and runny nose. etc.; Nasal discharge is mostly purulent, purulent or mucous, yellow or yellow-green, the amount is variable, and can flow back to the pharynx.

4. Nasal polyps

Nasal polyps are a common disease in the nose and are more likely to occur in adults; they are characterized by persistent nasal congestion that worsens as the size of the polyps grows, and nasal secretions Increase, accompanied by sneezing, olfactory disorder, etc.; nasal discharge is mostly serous or mucus, and if complicated by sinus infection, nasal discharge may be purulent.