Hay fever in Japan

Hay Fever in Japan is a common allergic reaction that affects a significant portion of the Japanese population. It is primarily caused by the pollen of Japanese cedar and Japanese cypress trees, which are widespread throughout the country.

Causes

Hay fever in Japan is primarily caused by the pollen of two types of trees: the Japanese cedar (Cryptomeria japonica) and the Japanese cypress (Chamaecyparis obtusa). These trees were widely planted throughout Japan following World War II, leading to a significant increase in hay fever cases in the decades that followed.

Symptoms

The symptoms of hay fever in Japan are similar to those of hay fever in other parts of the world. They include:

• Sneezing
• Runny nose
• Itchy eyes
• Congestion
• Fatigue

Treatment

Treatment for hay fever in Japan typically involves the use of antihistamines, nasal sprays, and eye drops. In severe cases, immunotherapy may be recommended.

Prevention

Prevention strategies for hay fever in Japan include avoiding outdoor activities during peak pollen seasons, wearing sunglasses to protect the eyes, and using air purifiers at home.

See also

• Allergy
• Pollen
• Immunotherapy

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  Cryptomeria japonica Male flower