As a mast cell stabilizer and antihistamine marketed as a prescription eye drop in many countries, olopatadine hydrochloride is best used against allergic conjunctivitis or eye allergies. The Alcon-manufactured 0.2% solution olopatadine product is known as Pataday (or Patanol S in other countries). On the other hand, the 0.1% version is sold under the brand name of Patanol (or Opatanol in other countries). Aside from those two names, it comes in many other brands and formulations.
Olopatadine is mostly used to treat people who are suffering from allergic conjunctivitis. As already mentioned, it's an antihistamine and a prescription eye drop, and it works only on itchy and red eyes caused by allergies. To be more specific, this drug is not an advisable cure for eye irritation caused by wearing contact lenses; it's best used on eye allergies and nothing else.
Use this dropper on the affected eye or eyes twice a day (there are six to eight hours between doses) or as recommended by your pharmacist or healthcare provider. Make sure that your hands are washed, clean, and dry before each administration. To prevent contamination of the dropper, don't let its tip touch your eye, skin, or any other surface.
As for the dosage directions of the drug itself, do the following: Tilt your head backwards, stare up, and pull down your lower eyelid to create a pouch. From there, hold the dropper on top of your eye and apply the prescribed dosage. After which, look down carefully and close your eye for a minute or two. Place a finger in the inside corner of your eye near your nose and apply soft pressure; this will stop the drug from spilling out. Avoid rubbing your eye or blinking during this time.
While under olopatadine treatment, you may experience the following side effects: getting a feeling like something is stuck in your eye, changes in taste, eyelid swelling, and dryness/redness/stinging/burning of the eye. If any of these symptoms continue or become bothersome, consult your pharmacist or doctor as promptly as possible.
You should also tell your designated healthcare specialist if the rare but unlikely side effect of unusual weakness appears. Moreover, even though a severe allergic reaction to olopatadine is highly improbable, you need to seek emergency medical assistance once the following symptoms of allergic reaction occur: breathing problems, dizziness, swelling, itching, and rash. Finally, if you notice any other side effects not found in this article, contact your doctor or pharmacist quickly.
Don't rinse the dropper; instead, simply replace the dropper cap after each use. You should also administer this medication at regular intervals in order to enjoy its full benefits. Additionally, you must continue using it up until the end of the prescribed treatment period; don't stop or start it at any time without your doctor's orders.
You shouldn't forget your schedule for dosage as well, because you should only administer the drug in the same time each day to make sure it works as intended. If you wear contact lenses, be wary of olopatadine's preservative ingredient; it can get absorbed by them. Remove your lenses while undergoing treatment and wait at least ten minutes after each dose before putting them back on.
Moreover, you must wait for a good five minutes in between administering this dropper and any other eye medication or ointments you may have in order to not hamper their efficacy. If you do have an ointment treatment, use the dropper first before the ointment in order to make sure the eye drops enter the eye without the hindrance of the ointment. Inform your doctor if your eye irritation persists or gets aggravated after treatment.
Olopatadine has the following structural formula:
• Molecular formula of olopatadine is C21H23NO3
Brand name(s): Patanol
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