What are eye drops for allergies

Eye allergies are commonly associated with allergic conjunctivitis, spring conjunctivitis, etc. Antiallergic eye drops commonly used in ophthalmology include antihistamines, mast cell membrane stabilizers, and dual-action drugs.
1. Antihistamine eye drops: eye allergies can usually be used with antihistamine eye drops such as emetine and levocabastine eye drops.
When the body is exposed to allergens, mast cells will release histamine. Histamine can combine with H1 receptors on blood vessels to dilate blood vessels and increase vascular permeability, causing symptoms of allergy, the use of antihistamines can effectively block the combination of histamine and H1 receptors, thereby inhibiting the occurrence of allergic reactions.
2. Mast cell membrane stabilizers: eye allergies can also be treated with mast cell stabilizers such as sodium cromoglycate and pyrimethamine potassium eye drops, which can reduce the degranulation of mast cells, thus preventing the release of histamine and other mediators, and alleviating the symptoms of allergy, but with slower onset of action, and as a preventive medicine.
3. Dual-action drugs: for the treatment of eye allergies, you can use antihistamine drugs such as olopatadine, ketotifen, azelastine eye drops and other mast cell stabilizers of the compound preparation, this kind of drug has a fast onset of action, the effect of a long period of time, the effect is better.
If the symptoms of eye allergy, it is recommended to consult a doctor in time, under the guidance of a professional physician to use medication, so as not to delay the condition.