Patient Information on Patanol (olopatadine hydrochloride ophthalmic solution)

Manufacturers: Alcon

Patanol uses: it is utilized for the correction and relief from a condition called allergic conjunctivitis. If you develop this ailment you may experience redness, itching, swelling of the eyelids, heavy water discharge from the eyes.  It usually occurs when the sensitive layer of the conjunctiva in our eyes get irritated by various allergens like pollen, mold spores, dander etc.

Measures while using Patanol: Make sure you don’t infect the tip of the container by touching it to eyelids or any other surfaces as it could prove to be an excellent method of transferring germs to your eyes and worsening the condition.

Do not blink eyes rapidly after putting the drops.

It is very crucial that you remove your contact lenses prior to instilling the drops as it could otherwise damage the lens, you can reinsert them after 15 minutes if you don’t feel your eyes getting red.

Mode of action: histamine, an inflammatory modulator binds to H1 receptors and produces the cascades for the allergic reactions. Olopatadine inhibits the binding capacity and operation of these receptors and prevent the release of histamine from its stores and thus helps in bringing down the irritation.

Pharmacokinetics (alterations of the drug in the body): only a small quantity of drug gets absorbed into the blood stream. After 3 hours half of the drug completes its action and gets eliminated 60% through urine and approximately 17% from the fecal route.

Things you should know about Patanol:

  • It can be used by both genders but not by children.
  • if you feel that after administering the drops you feel extreme stinging, burning and pain, stop taking it and talk to you doctor because you may be developing an allergic reaction.
  • Do not self-diagnose or sell-treat yourself with this medicine every time you experience a similar eye condition. Because there are multiple forms of conjunctivitis (e.g. bacterial and viral) which require stronger and longer therapeutic regimen.
  • Patanol is specifically designed to be taken through the ocular route. You should not administer it through mouth or nose.
  • The contents present in this solution and can get absorbed by your contact lenses and destroy them. So you ought to expel your contacts before ingraining the drops.

Adverse effects of this drug:

  • Since, it is an ocular preparation so the maximum side effects are associated with the eye. They include… swelling of the eyelids, blurred site, inflammation in other parts of the eye, redness, itching, and pain in the eyes.
  • And the side effects which are not specifically related to the eyes constitute of sinusitis, alterations in the taste, flu, cough, scratchy throat, nausea, pain in the back muscles and weakness.

Use in specific populations:

  • Pregnancy and lactation: it is a class C medicine when it comes to pregnancy. Although not proven teratogenic or harmful to the baby during animal studies, it still is to be used with supreme care in pregnant women because it is not known that how would this drug affect the human child. Same is the case for nursing mothers because oral administration of this drug has shown the presence of olopatadine in human milk.
  • Pediatrics and geriatrics: although safe for adults and elderly, Patanol cannot be given to young children explicitly those who are under 3.


Patanol is neither carcinogenic nor mutagenic which means it does not cause cancer or mutations. It also did not have any dire effects on the reproductive system.

Inform your doctor: if you have cataract, glaucoma, recent eye surgery or injury, nasal infections, any immune system related issues, if pregnant or breast-feeding., if on sodium strict diet.

Ingredients in Patanol: olopatadine hydrochloride, sodium chloride, isotonic solution of 1.0 mg/ml or 0.1%, sodium phosphate (dibasic) and purified water.


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