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Average User Review Score
* Based on 33 reviews from across the web.

Naphcon-A is a brand of eye drops produced by Alcon Laboratories, Inc., a pharmaceutical products company based in Fort Worth, Texas. It is said to relieve the symptoms of itchy red eyes.

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* Extracted from FDA Adverse Event Reports for all drugs with the same active ingredients.

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Druginformer Identified Side Effects: None

Posted By Anonymous in fdb.rxlist.com on December 3, 2014 @ 12:00 am

Used this for itchy allergy eyes. My eyes quit itching but now my pupil in my left eye is so HUGE I can't see anything!!! Do not use these eye drops unless you plan on sitting in a dark room for the e...

Druginformer Identified Side Effects: None

Posted By Anonymous in fdb.rxlist.com on October 16, 2014 @ 12:00 am

Does cause blurry vision for maybe 3 to 5min. But I do believe any eyedrops can do this. I do have allergies. We are not suppose to rub our eyes because can cause trauma to cornea so the drops are won...

Druginformer Identified Side Effects: Vision blurred

Posted By Anonymous in fdb.rxlist.com on September 29, 2014 @ 12:00 am

Used product for itchy, red eyes, due to allergies. took red out and eye stopped itching. Side effects, however, were very bad. My pupil became so dilated, my vision was very blurry. This lasted f...

Druginformer Identified Side Effects: Vision blurred

Posted By boymom2 in fdb.rxlist.com on July 17, 2014 @ 12:00 am

ought Opcon A for allergies. Eyes dilated so bad vision was effected. Will never buy again. Do not recommend.

Druginformer Identified Side Effects: Tremor, Pruritus, Nervousness, Pupillary reflex impaired, Vision blurred

Posted By ch in fdb.rxlist.com on February 11, 2014 @ 12:00 am

Itchy, red left eye dilated pupil, therefore blurring vision within minutes of use. The other eye had no reaction. Shaky and nervousness after 20 minutes.

Druginformer Identified Side Effects: None

Posted By Anonymous in drugs.com on February 8, 2013 @ 12:00 am

After contracting Lyme disease my immune system became weaker and eye allergy is now a continual issue. Opcon-A has made the difference. My current problem has been going to work in the morni...

Druginformer Identified Side Effects: Pruritus

Posted By LindsayJ in fdb.rxlist.com on July 21, 2012 @ 12:00 am

I love this stuff! My allergies are horrendous and these drops are the only thing to give me relief at night. I use them before bed to stop the redness and itchiness I experience. My doctor suggested ...

Druginformer Identified Side Effects: Pruritus

Posted By Gordon in fdb.rxlist.com on May 21, 2012 @ 12:00 am

Worked great itching in eye went away after use. Plan on using again.

Druginformer Identified Side Effects: None

Posted By Bryan-Carey in viewpoints.com on February 20, 2012 @ 12:00 am

ausch & Lomb Opcon-A Eye Drops Return the Eyes to Health Allergy sufferers usually have problems with the sinuses and nose more than anything, but some experience problems elsewhere on the body. The ...

Druginformer Identified Side Effects: Pain

Posted By rnptx in viewpoints.com on August 12, 2011 @ 12:00 am

... matter that falls into them. I had some awful eye itching from allergies, and my mom pulled this product out of her purse and offered it to me. As another reviewer mentioned, it did sting a little bit...

* Warning: The facts and figures contained in these reports are accurate to the best of our capability; however, our metrics are only meant to augment your medical knowledge, and should never be used as the sole basis for selecting a new medication. As with any medical decision, be sure to work with your doctor to ensure the best choices are made for your condition.

* About FAERS: The FDA Adverse Event Reporting System (FAERS) is used by FDA for activities such as looking for new safety concerns that might be related to a marketed product, evaluating a manufacturer's compliance to reporting regulations and responding to outside requests for information. Reporting of adverse events is a voluntary process, and not every report is sent to FDA and entered into FAERS. The FAERS database may contain duplicate reports, the report quality is variable, and many factors may influence reporting (e.g., media attention, length of time a drug is marketed, market share). For these reasons, FAERS case reports cannot be used to calculate incidence or estimates of risk for a particular product or compare risks between products.