Patanol® | Patanol Eye Drops (Olopatadine) - 0.1% (5mL Bottle)
| Main Use |
Active Integredient |
Marketed Name |
| Eye allergies |
Olopatadine hydrochloride |
Patanol®, Opatanol® |
How does Patanol Eye Drops (Olopatadine) work?
This medicine contains the active ingredient olopatadine hydrochloride, which is a type of medicine called an antihistamine. It works by preventing the actions of histamine.
Histamine is a substance produced by the body as part of its defence mechanisms. It is stored in cells called mast cells, in almost all tissues of the body. When the body reacts to a foreign substance (known as an allergen, eg flower pollen), the mast cells stimulated by the allergen release their stores of histamine.
The released histamine then binds to its receptors (H-1 receptors), causing a chain reaction that results in allergic symptoms. It causes an increase in blood flow to the area of the allergy, and the release of other chemicals that add to the allergic response.
All this results in the symptoms of an allergic reaction. In eye allergies, such as seasonal allergic conjunctivitis, eg caused by flower pollen or grasses, histamine causes inflammation of the eyes, making them red, itchy and watery.
Olopatadine eye drops work by blocking the histamine receptors in the eyes. This stops it causing inflammation and thus provides relief from the symptoms of the eye allergy. Olopatadine may also work by preventing the release of other inflammatory chemicals from mast cells in the eye.
What is Patanol Eye Drops (Olopatadine) used for?
- Seasonal allergic conjunctivitis
Patanol Eye Drops (Olopatadine) Side Effects
- Headache
- Blurred vision
- Dry mouth
- Dislike of light
- Dizziness
- Itchiness of the eye
- Dry etes
- Weakness or loss of strength
- Dry nose
- Inflammation of the surface of the eye
- Red eye due to excess blood supply
- Sensation of something in the eye
- Discharge from the eye
- Fluid retention and swelling of the eyelid
- Eye discomfort
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