What Is The Work Of Alphagan
January 9th, 2009

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Alphagan is an external medication in the form of drops. It is used primarily to reduce watery eyes by reducing the production of fluid in the eye and by increasing lacrimal drainage. It is also used for treating open-angle Glaucoma, also known as Ocular Hypertension.

Working of Alphagan

Alphagan eye drops have the ingredient Brimonidine, a type of medicine known as Alpha Agonist. It targets alpha receptors found on ocular blood vessels and then stimulates them. A continuous passage of liquid known as aqueous humour is maintained throughout the eye. The aqueous humor is used to build pressure within the eyeball and is produced by ciliary bodies. Ocular fluid is drained via channels known as trabecular meshwork. The pressure inside the eyeball increases if the outflow of aqueous humour is blocked causing the aqueous humour builds up inside the eye. If the pressure generated by the humor is high enough, it harms the optic nerve resulting in vision impairment.

Usage of Alphagan

- It is used for treating Glaucoma, in cases of people where beta-blocker eye drops cannot be used.
- It can also be used in conjunction with other eye drops
- These eye drops produce local effect that is only in the eye; causing few side effects on other body parts
- It is mainly used for reduction of abnormally increased eye pressure.

Cautions to be taken while using Alphagan:

- If an allergic reaction occurs, immediately discontinue usage of the Alphagan and consult your doctor.
- Consult a doctor before beginning to use Alphagan.
- People having cardiovascular problems should consult a doctor before using the medicine.
- People who have decreased blood supply to the brain should consult the doctor before taking this medicine.
- People who experience dizziness or headache due to a drop in blood pressure from changing postures should consult doctor prior to use.
- People who have a progressive decrease in the size of blood vessels should seek the advice of the doctor before taking the medicine.

Side effects of Alphagan

- Blurring of the vision
- Dizziness, fatigue or headache
- Watering or redness in the eye
- Swelling or puffing of the eye
- A dry nose or mouth
- Depression
- Decreased kidney function
- Redness due to increased supply of blood
- Eye pain
- Stinging or burning in the eye
- Itching in the eye
- Inflammation of the eye membrane which lies inside the eyelids and outside the eyeball
- Drowsiness

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