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Doctor insights on: Anti Histamine Eye Drops

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Histamine (Definition)

Histamine is an organic nitrogen compound involved in local immune responses as well as regulating physiological function in the gut and acting as a neurotransmitter. Histamine triggers the inflammatory response. As part of an immune response to foreign pathogens, histamine is produced by basophils and by mast cells found ...Read more


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Are corticosteroid eye drops vasoconstrictors?

Are corticosteroid eye drops vasoconstrictors?

No: Corticosteroids are not direct vasoconstrictors. They act by reducing the number and type of inflammatory cells that are present in the eye. It is those cells that release substances that cause the eye to get red, swollen, and itchy. ...Read more

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Can eye drops contains cortisone?

Can eye drops contains cortisone?

Yes: The most common eyedrops with steroids in them contain other steroid types which probably will be more comfortable to administer. You should only take steroid containing eyedrops under the supervision of an ophthalmologist. ...Read more

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Will fluorometholone eye drops exacerbate conjunctivitis?

Will fluorometholone eye drops exacerbate conjunctivitis?

It can: Steroids can sometimes worsen viral infections. Can combine antibiotics with steroids during treatment. Otherwise should help conjunctivitis. ...Read more

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Do visine eye drops contain cortisone?

Do visine eye drops contain cortisone?

No: Cortisone is available over the counter as a topical skin cream not for use in the eyes. Visine comes in various forms with some vasoconstrictors and antiallergic components but no steroids. ...Read more

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Does zaditor (ketotifen) drops help with "pink eye"?

Does zaditor (ketotifen) drops help with "pink eye"?

Maybe: In reality "pink eye" can have a lot of causes but usually refers to conjunctivitis. There are different types of conjunctivitis. The most common would be viral, bacterial and allergic. Zaditor (ketotifen) will help most with allergic conjunctivitis usually from seasonal allergies. ...Read more

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Do zaditor (ketotifen) eye drops help with "pink eye"?

Do zaditor (ketotifen) eye drops help with "pink eye"?

Usually not: The zaditor (ketotifen) is an allergy eyedrop and will only be effective if the "pink eye" is due to allergy. If it is due to an infection caused by a bacteria or virus, the zaditor (ketotifen) will have no effect. ...Read more

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Do eye drops contain steroids?

Do  eye drops contain steroids?

Some: Some prescription eye drops do. When in doubt, you can ask your eye doctor or pharmacist. ...Read more

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Patanol (olopatadine) eye drops side effects?

Patanol (olopatadine) eye drops side effects?

Not many: Any eye drop can have side effects, although patenol is usually very well tolerated. Some expected side effects might be stinging or burning feeling when used, possible mildly blurred vision, redness of the eyes after use. These are all fairly rare with patenol, in my experience. ...Read more

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Are flarex (fluorometholone) eye drops mild?

Depends: This depends upon what you mean is 'mild'. Flarex (fluorometholone) drops are a steroid less potent than some others. This means its primary effect is not the strongest and it s incidence of side effects is lower than the strong ones. It is a useful drop which your ophthalmologist no doubt has prescribed for good reasons. ...Read more

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Is tropicamide eye drops an over-the-counter drug?

Is tropicamide eye drops an over-the-counter drug?

Nope: Tropicamide, also known as mydriacyl, (tropicamide) is one of several drops used to dilate the pupil during an eye exam. As such, there is no over-the-counter use for it! ...Read more

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Can eye drops help blood shot eyes?

Can eye drops help blood shot eyes?

Yes: Drops with vasoconstrictors such as visine can take the red out temporarily, so using them once for photos or something is ok, but don't use them regularly or you can get rebound redness when stopping them. Best to treat the cause however. ...Read more

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Can pataday eye drops cure pink eye?

Can pataday eye drops cure pink eye?

No: Pataday is an eyedrop to treat allergic conjunctivitis. Pink eye and allergic conjunctivitis can look the same, the main difference is that the allergic version typically itches. If you have "true pink eye" it is a viral infection, and Pataday will not cure that. ...Read more

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Does latanoprost/timolol eye drops cause an allergic reaction?

Does latanoprost/timolol eye drops cause an allergic reaction?

Yes, but: Virtually any drug can cause an allergic rxn in susceptible people. Latanoprost can cause redness, blurred vision, burning and the sensation that something is "in your eye" (foreign body sensation) which you may perceive as an allergic rxn but these are actually side effects. ...Read more

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Glaucoma & pilocarpine eye drops, do the drops help?

Glaucoma & pilocarpine eye drops, do the drops help?

Classic treatment: Pilocarpine was the first anti-glaucoma drop developed and has been in use over 100 years. It constricts the pupil and affects the focus of the eye so it has largely been replaced by effective drops that have fewer side effects. It still is a useful agent in some cases and is still available on prescription. ...Read more

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Could similasan dry eye relief drops also work for irritated red pink eye?

Could similasan dry eye relief drops also work for irritated red pink eye?

Pink eye: If red pink eye is due to a virus, artificial tears will help relieve symptoms of irritation and should do no harm (non preserved are best as can use every hr if need; preserved no more than 4x/d); but they do not cure virus: needs to run its course 2 wks; see eyeMD if need stronger meds for relief & for rapid antigen test to see if is a virus. ...Read more

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Is zylet eye drops ototoxic?

Is zylet eye drops ototoxic?

Not likely: Zylet does contain tobramycin which can be ototoxic in high dose systemic drug administration. The systemic absorption of Zylet in the usual prescribed amounts is miniscule and ototoxicity has not been reported for this. ...Read more

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Please tell me, are fml (fluorometholone) corticosteroid eye drops vasoconstrictors?

Please tell me, are fml (fluorometholone) corticosteroid eye drops vasoconstrictors?

No: No, FML (fluorometholone) is a steroid. Fml (fluorometholone) decreases inflammation that can improve redness, but it is not a vasoconstrictor. ...Read more

Dr. Paul Carter
671 doctors shared insights

Antihistamine (Definition)

Sedating and non-sedating antihistamines prevent and treat allergic reactions, and are ...Read more