Possible SEO-optimized, medically cited article on Tobrex: Tobrex: Uses, Dosage, Demographic, Side Effects, Interactions, and Generic Options Tobrex is a brand name for the generic antibiotic solution tobramycin, which is used to treat bacterial infections of the eye and eyelid. Tobrex belongs to the aminoglycoside class of antibiotics that work by inhibiting protein synthesis in the bacterial cells, leading to cell death and clearance. Tobrex is typically prescribed for acute or chronic conjunctivitis, blepharitis, keratitis, and other infections caused by susceptible bacteria, such as Staphylococcus aureus, Streptococcus pneumoniae, Haemophilus influenzae, and Pseudomonas aeruginosa. Uses: Tobrex is approved by the U.S. Food and Drug Administration (FDA) for ophthalmic use only, and should not be used for systemic infections or by mouth. Tobrex is available in the form of eye drops or eye ointment, and should be applied as directed by your doctor or pharmacist. Tobrex eye drops should be used topically in the eye or eyes, usually one or two drops every four to six hours for mild to moderate infections, and more frequently for severe infections. Tobrex eye ointment should be applied inside the lower eyelid or lids, usually one-quarter inch ribbon three to four times a day for mild to moderate infections, and more often for severe infections. Tobrex treatment should be continued for the full course prescribed, even if symptoms improve, to avoid recurrence, resistance, or superinfection. Dosage: The usual adult dosage of Tobrex eye drops or ointment is 1 to 2 drops or a quarter to a half inch ribbon in the affected eye(s) every four to six hours, depending on the severity and duration of the infection. The dosage may be increased up to hourly if needed, or reduced gradually as the infection resolves. The maximum dosage of Tobrex eye drops or ointment for adults and children should not exceed 20 mg per day or 100 mg per week, respectively. The pediatric dosage of Tobrex eye drops or ointment depends on the child's age, weight, and condition, and should be determined by a doctor or pharmacist. Demographic: Tobrex is generally safe and effective for most people who have bacterial eye infections, but may not be suitable for some patients who have allergies, hypersensitivities, or other medical conditions that may interact with Tobrex or its ingredients. Tobrex should not be used by pregnant or nursing women, unless the potential benefits outweigh the potential risks. Tobrex may be used by children, but the dosage and duration of treatment should be monitored by a doctor or pharmacist, as well as the potential ocular and systemic adverse effects. Side Effects: Tobrex may cause some side effects, although not everyone who uses Tobrex will experience them. The most common ocular side effects of Tobrex include stinging, burning, redness, itching, tearing, blurred vision, and discharge. These side effects are usually mild and transient, and may improve with continued use or a break in treatment. The less common but more serious ocular side effects of Tobrex include corneal ulceration, allergic reactions, ocular surface toxicity, and resistance to treatment. These side effects may require immediate medical attention and discontinuation of Tobrex. Interactions: Tobrex may interact with other medications that you are using or have used, especially those that may affect the kidney function or the ototoxicity, such as diuretics, hearing aids, and chemotherapy agents. Tobrex may also interact with other topical eye medications, such as corticosteroids, cyclosporine, and prostaglandin analogs. These interactions may increase the risk of systemic or ocular adverse effects of Tobrex or the co-administered medications, and should be discussed with your doctor or pharmacist before using Tobrex. Generic Options: Tobrex is a prescription-only medication and is available in both branded and generic forms. The generic tobramycin eye drops or ointment may be cheaper than Tobrex, but may have different inactive ingredients or appearances that may affect the tolerability or acceptance by some patients. The generic tobramycin eye drops or ointment may also have different dosages or indications that may require adjustments by a doctor or pharmacist. The generic tobramycin eye drops or ointment should be obtained from a reputable source that meets the quality and safety standards of the FDA or other regulatory agencies. In conclusion, Tobrex is an antibiotic solution that is used to treat bacterial infections of the eye and eyelid. Tobrex works by inhibiting protein synthesis in the bacterial cells, leading to cell death and clearance. Tobrex should be used as directed by your doctor or pharmacist, and should be continued for the full course prescribed, even if symptoms improve, to avoid recurrence, resistance, or superinfection. Tobrex may cause some side effects or interact with other medications, and should be monitored and managed by a healthcare professional. Tobrex is available in both branded and generic forms, and should be obtained from a reliable and approved source.