Antiallergic pharmaceutical composition and preparation method thereof
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- BEIJING VENTUREPHARM BIOTECH
- Publication Date
- 2014-05-07
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
Figure 1
Abstract
Description
technical field
[0001] The invention belongs to the field of pharmaceutical preparations, and relates to an anti-allergic oral solid preparation and a preparation method thereof. The active ingredient of the preparation is levocetirizine hydrochloride, and the dosage form is an orally disintegrating tablet. The common name of the active ingredient is (R) -(-)-2-[2-[4-[(4-Chlorophenyl)benzyl]-1-piperazinyl]ethoxy]acetic acid dihydrochloride. Background technique
[0002] Under the influence of the deterioration of the global ecological environment, all kinds of allergic reactions are showing an increasing trend. According to the data of the World Health Organization, about 40% of the world's people have allergic symptoms. Anaphylaxis is a severe allergic reaction, the ultimate reaction to allergic phenomena. The allergen outbreak usually occurs within minutes and the entire body is affected. The triggers are food, insect stings and pollen.
[0003] Levocetirizine hydrochlo...