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Tobramycin/dexamethasone, sold under the brand name Tobradex, is a fixed-dose combination medication in the form of eye drops and eye ointment, marketed by Alcon. [1] [2] [3] The active ingredients are tobramycin (an antibiotic) and dexamethasone (a corticosteroid). [2] It is prescribed for the treatment of pink eye in combination with ...
Tobramycin is on the World Health Organization's List of Essential Medicines. [11] In 2022, tobramycin was the 281st most commonly prescribed medication in the United States, with more than 600,000 prescriptions. [12] Tobrex eye drops are a 0.3% tobramycin sterile ophthalmic solution produced by Alcon Pharmaceuticals.
Bromfenac eye drops are generally well tolerated. Comparatively common side effects in clinical studies included abnormal sensations in eye (0.5% of people treated with bromfenac), mild to moderate erosion of the cornea (0.4%), eye pruritus (0.4%), eye pain (0.3%) and redness (0.3%).
Common side effects include red eyes, dry eyes, change in color of the eyes, blurry vision, and cataracts. [ 5 ] [ 6 ] [ 4 ] Use during pregnancy or breastfeeding is generally not recommended. [ 1 ] [ 6 ] [ 4 ] It is a prostaglandin analog and works by increasing the outflow of aqueous fluid from the eyes.
When applied to the surface of the eye, side effects may include a brief period of blurry vision and discoloration of contact lenses of the soft type. [7] [3] When used by mouth or injection, side effects may include headache, nausea, and a change to the color of the skin for a brief period of time. [3] Allergic reactions may rarely occur. [3]
Side effects may include allergic reactions, eye pain, and dilated pupils. [ 2 ] [ 4 ] [ 3 ] It is unclear if use in pregnancy is safe. [ 1 ] Nephazoline works by resulting in constriction of blood vessels thus decreasing redness while pheniramine works by blocking the effects of histamine to stop itching.
Topical formulations may be used in burns or for infections of the outside of the eye. [6] It is often only used for two days until bacterial cultures determine what specific antibiotics the infection is sensitive to. [7] The dose required should be monitored by blood testing. [5] Gentamicin can cause inner ear problems and kidney problems. [5]
By contrast, ophthalmic gatifloxacin is generally well tolerated. The observed systemic concentration of the drug following oral administration of 400 mg (0.01 ounces) gatifloxacin is approximately 800 times higher than that of the 0.5% gatifloxacin eye drop. Given as an eye drop, gatifloxacin has very low systemic exposure.