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Doctor insights on: Can Allergies Affect Only One Eye

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My one eye small this is allergy symptoms?

My one eye small this is allergy symptoms?

Prob not: Swelling from allergies that makes only one eye appear smaller is less likely than common causes such as irritation from foreign body or dryness. There can also be a droopy eyelid (ptosis) from many causes. See your eye MD to get it checked out. ...Read more

Dr. John Chiu
2,628 Doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


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Do allergies usually affect one or both eyes?

Do allergies usually affect one or both eyes?

Both eyes: It is not easy to explain eye symptoms triggered by airborne substnaces affecting only one eye. Unless the exposure was brief and there was protection over the unafffected eye. ...Read more

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Does allergy passes from one person to the other? Does it spread or happens to the person who looks into the eye of the one who is having it?

Does allergy passes from one person to the other? Does it spread or happens to the person who looks into the eye of the one who is having it?

No: You cannot transmit an allergy (unless you have gone transfusion -even then it is transient). The development of allergy is considered to be one whereby one's genes and the environment interact. If one or both of your parents are allergic, your risk of developing allergic diseases would be much higher ...Read more

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Supress allergy rhinitis for eyes. Either patanol (olopatadine) or zaditen. Which one is better?

Supress allergy rhinitis for eyes. Either patanol (olopatadine) or zaditen. Which one is better?

Both work: These are both ocular antihistamines and work well to treat the symptoms of allergy eyes. There is very little data to suggest that any one ocular antihistamine is any better than another. ...Read more

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What does seeing proteinaceous material in one eye means? Had eye dialited earlier this year and said eyes were fine but saw eye allergies. Red lines.

What does seeing proteinaceous material in one eye means? Had eye dialited earlier this year and said eyes were fine but saw eye allergies. Red lines.

Probably floaters: Doctors refer to floaters in different ways, and this is most likely a reference to floaters. A floater is basically debris caught up in the vitreous of the eye, which you might see moving around in your vision. These are seen when the eyes are dilated. If the retina is healthy then they are not much to worry about. If there is any be change in vision, though, get the eyes checked again. ...Read more

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My 14 mon old rubs her eyes a lot due to few food allergies and a slight dog one. Anything I can do to help relieve the itchy eyes?

My 14 mon old rubs her eyes a lot due to few food allergies and a slight dog one. Anything I can do to help relieve the itchy eyes?

Antihistamine: For allergic eyes first remove allergens if possible. Cool compresses help and anti-allergye eye drops. Several otc eye drops (over the counter - in pharmacies without a prescription) are available containing ketotifen including zatidor and zyrtec (cetirizine) eye drops. Prescription eye drops may help if the above are not effective - talk to your doctor or see an allergist. ...Read more

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Does eye allergy/virus passes from one person to the other? Does it spread or happens to the person who looks into the eye of the one who is having it?

Does eye allergy/virus passes from one person to the other? Does it spread or happens to the person who looks into the eye of the one who is having it?

Allergy vs virus: Allergies are not contagious: you get them from enviornmental particles (pollen, dust mites, etc., causing a reaction in mucus membranes-eyes, nose, mouth vs viruses are contagious: you get them from touching a contaminated surface (ie hand, mouth, door knob, elevator button) touched by an infected person or being coughed on. ...Read more

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Only one eye has been very itchy and constantly watering? Shouldn't allergies affect both eyes?

Only one eye has been very itchy and constantly watering? Shouldn't allergies affect both eyes?

Yes: Allergies almost always affect both eyes simultaneously, although one may be a little worse. ...Read more

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I have an ulcer on one of my tonsils. I don't feel like strep, but have had some of my common allergy symptons:sneezing, eyes, etc. Should I get checked?

I have an ulcer on one of my tonsils. I don't feel like strep, but have had some of my common allergy symptons:sneezing, eyes, etc. Should I get checked?

Never hurts: Always better safe than sorry. Without being able to see and examine you have no way to know what is going on, but this may be a part of your allergic reactions. ...Read more

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Seasonal allergies, can they make just one eye really red and irritated? Itching and hurts too.

Allergies: Seasonal allergies typically affect both eyes but can affect them differently. One eye only more typical of a contact allergy (like from your hands) or conjunctivitis. If truly allergy related, then there are antihistamine eye drops available, like Patanol (olopatadine) drops. ...Read more

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Is patanol (olopatadine) and alaway the same group? I have allergy eyes. Itching, red, dry. Which one to use first or how?

Is patanol (olopatadine) and alaway the same group? I have allergy eyes. Itching, red, dry. Which one to use first or how?

Yes: Alaway & Patanol (olopatadine) are both topical ocular antihistamines. Both useful for itchy, watery eyes once to twice daily. Coincident with ocular allergies is dry eye symptoms, which can be augmented by systemic antihistamine/decongestant treatment. I recommend using both the antihistamine eye drops as prescribed & adjunctive artificial tears at intervals in between for comfort. ...Read more

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One of my eyes feels irritated and my nose runs slightly. Is it allergies? I'm 24 and have never had allergic reactions before

One of my eyes feels irritated and my nose runs slightly. Is it allergies? I'm 24 and have never had allergic reactions before

It is possible: It is possible that you do have allergies. Allergies can develop at any age
consult your doctor and find out if it is really allergies. ...Read more

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Have only one blood shot eye on and off for a month, dr says allergy or virus and gave drops, but I feel like I should be more concerned?

Have only one blood shot eye on and off for a month, dr says allergy or virus and gave drops, but I feel like I should be more concerned?

See eye specialist: It would be unusual to have only one eye affected if it's allergies, and unusual for the same eye to have a routine viral infection over and over. There are a number of possible causes, and an ophthalmologist would be the best person to sort it out. I hope it clears up soon! ...Read more

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How to get rid of the tearing in one eye? Only happens during the spring season, is it allergy or sinus problem.

How to get rid of the tearing in one eye? Only happens during the spring season, is it allergy or sinus problem.

Seasonal allergy: As stated, it appears to be a seasonal issue. Many of the meds for allergies are now over the counter, check at your local pharmacy. Rx Acular (ketorolac) can be rx'd by your dr to fight specific problems directed directly at the eye when allergic issues arise. Best wishes. ...Read more

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