The patient, female, 52 years old, suffered from runny nose, sneezing, itchy eyes, cough, and asthma for 20 days, which was severe at night, without fever.

Examination: Lung CT showed no abnormality, blood routine was normal, pulmonary function: obstructive ventilatory dysfunction, bronchiectasis test was positive, allergen test (-).

Following the medical history: The patient had a pair of guinea pigs at home 5 months ago, and the mice gave birth to a litter of guinea pigs 1 month ago. The patient's symptoms worsened every time he came near the mouse cage.

Diagnosis: allergic asthma (caused by allergy to Dutch rat dander).

Disposal:

1. Do not keep pets such as mice and clean thoroughly;

2. Inhalation of Seretide

Follow-up : The symptoms disappeared after one week. After one and a half years, the patient's symptoms recurred. When asked about the medical history, the patient had a small civet cat at home one week before the onset of the disease. Check for allergens: cat dander++++.

Diagnosis: allergic asthma (caused by cat dander allergy)

Guinea pig (from the Internet)

Chinese Pastoral Cat

Description: The reason why no allergens were found for the first time is that our country currently does not use the guinea pig reagent.

Warm reminder: Patients who are allergic to guinea pig dander should try not to keep pets with fur such as cats and dogs, as they may have cross-allergic reactions.

With the increase in pet ownership, patients with rat, rabbit, cat, and dog dander allergy are also increasing year by year. The initial symptoms of rat, rabbit, cat, and dog dander allergy are watery nose, sneezing, Itchy eyes. If symptoms appear and the pet is not sent away in time, most will develop allergic asthma in 3 to 6 months.

Families with allergic rhinitis, asthma or children with severe eczema should not keep pets such as cats and dogs indoors as they are prone to pet dander allergies.

Patients who are allergic to cat and dog dander should not keep cats, dogs, mice, guinea pigs and other fur pets, including hairless cats. Allergic rhinitis and asthma caused by pet allergies are not caused by direct contact with pets. Instead, the pet's dander, saliva, secretions, excrement and other dried tiny particles float in the indoor air like dust, and are caused by breathing. Entering the eyes, nose, and trachea causes allergies.

The most effective way to treat allergies caused by pets such as cats and dogs is not to keep pets. Allergic rhinitis and asthma will heal on their own without allergens. As long as you no longer keep pets, allergic rhinitis and asthma will last forever. Another attack.

For allergic patients who work as veterinarians, pet groomers, etc. or who cannot be separated from cats and dogs for other reasons, standard desensitization treatment can be carried out.

Using cat and dog desensitization preparations produced by Peking Union Medical College Hospital for standardized desensitization treatment can alleviate allergic symptoms and reduce the recurrence of allergic symptoms.