Patanol is the brand name for olopatadine, an antihistamine used for treating itchy or watery eyes. Drugs.com indicates that it is often used to treat eye symptoms caused by allergy. These symptoms include inflammation, redness, itching, watering and/or burning. Patanol comes in a liquid form that is dropped into the eyes. As with any medication, there is the risk of side effects when using Patanol.
Common Side Effects
Users may experience immediate stinging when the medication is dropped into the eye. This is temporary and harmless. Over time it may even stop occurring. Eye discomfort may occur with the use of Patanol, including burning, stinging, irritation, itching, redness or drying, says Drugs.com. The sensation that something is in the eye, blurred vision or swollen eyelids are common but mostly harmless side effects. RxList.com indicates that some users may have an increased ocular sensitivity while using Patanol. This should diminish once the medication is discontinued.
Less Common Side Effects
Other mild side effects that do not occur as often with the use of Patanol, according to Drugs.com, include nasal congestion, sore throat, coughing, weakness, back pain, headache and/or an unusual taste in the mouth.
Serious Side Effects
Report any signs of allergy to a medical care provider. Drugs.com warns that untreated allergic reactions can lead to asphyxiation. Symptoms to watch for include bluish discoloration of the face, trouble breathing and swelling of the face including lips, tongue and/or throat.
Other hazardous reactions to Patanol may include severe redness or severe burning. Drugs.com recommends medical treatment if drainage, crusting or other severe irritation occurs from the use of the drops.
RxList.com warns against using Patanol during pregnancy or while breastfeeding as it has been shown to be harmful in the study of rats.
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