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Xylometazoline, also spelled xylomethazoline, is a drug used to reduce symptoms of nasal congestion, allergic rhinitis, and sinusitis. [2] Use is not recommended for more than seven days. [3]
Side effects in less than 10% of people include other eye problems such as itching, foreign body sensation or dry eye, as headache or hyperpigmentation (darkening) of the skin around the eye. [4] Hyperpigmentation is an adverse effect of bimatoprost, [5] while the others are fairly common for eye drops in general.
Tropicamide, sold under the brand name Mydriacyl among others, is a medication used to dilate the pupil and help with examination of the eye. [3] Specifically it is used to help examine the back of the eye. [4] It is applied as eye drops. [3] Effects occur within 40 minutes and last for up to a day. [3]
Serious side effects may include allergic reactions and heart failure. [3] Use is not recommended in those with asthma, a sulfonamide allergy, or a slow heart rate. [3] [7] Dorzolamide is a carbonic anhydrase inhibitor and timolol is a beta blocker. [3] Both work by decreasing the amount of aqueous humor made by the eye. [3]
In one study, 10 people were given two drops of 0.5 mg/mL of tetryzoline eye drops (0.025–0.05 mg) at 0 hrs, 4 hrs, 8 hrs, and 12 hrs. Within a 24-hour time window, since the last dose of tetryzoline, the blood serum concentration of tetryzoline in the test subjects was 0.068-0.380 ng/mL and the urine concentration was 13–210 ng/mL. Both ...
That's a low bar, given how deeply its first generation of the Ray-Ban glasses from 2021 disappointed — selling only about 300,000 pairs, less than 10% of which were still in use last summer.
[3] [5] As eye drops it is used to treat increased pressure inside the eye such as in ocular hypertension and glaucoma. [3] By mouth it is used for high blood pressure, chest pain due to insufficient blood flow to the heart, to prevent further complications after a heart attack, and to prevent migraines. [5] Common side effects with the drops ...
Oxymetazoline, sold under the brand name Afrin among others, is a topical decongestant and vasoconstrictor medication. It is available over-the-counter as a nasal spray to treat nasal congestion and nosebleeds, as eye drops to treat eye redness due to minor irritation, and (in the United States) as a prescription topical cream to treat persistent facial redness due to rosacea in adults.