Tobramycin and dexamethasone is a combined topical medication that contains an aminoglycoside antibiotic and a synthetic glucocorticoid. The antibiotic component kills susceptible bacteria by interfering with their ribosomal protein synthesis. The steroid component reduces inflammation by inhibiting the release of inflammatory mediators in ocular tissues. Together they treat bacterial eye infections complicated by inflammation by addressing both infection and swelling. Tobramycin works by binding to the bacterial ribosome, causing misreading of messenger rna and preventing protein formation. Dexamethasone suppresses immune cell activity, leading to decreased redness, pain, and tissue damage in the affected area.

Tobramycin is an aminoglycoside antibiotic that kills bacteria by binding to the 30s ribosomal subunit and disrupting protein synthesis. It is commonly applied topically or administered by inhalation for infections of the eye skin or respiratory tract. Dexamethasone is a synthetic glucocorticoid with potent anti-inflammatory and immunosuppressive activity. It reduces inflammation by entering cells and inhibiting the transcriptional activation of genes that encode cytokines and chemokines. The combination of Tobramycin and dexamethasone provides both antimicrobial action and control of associated inflammation. This dual mechanism addresses infection while modulating the host immune response to improve clinical outcomes.

Tobramycin is an aminoglycoside antibiotic used to treat bacterial infections. Common side effects include temporary hearing loss or ringing in the ears. It may also cause kidney irritation especially when taken in high doses. Dexamethasone is a synthetic corticosteroid that reduces inflammation. Its side effects can include increased appetite weight gain or difficulty sleeping. Prolonged use might lead to elevated blood pressure or changes in blood sugar levels. Both medications are typically prescribed for short courses to minimize these risks.

Tobramycin can cause hearing loss especially with prolonged use. It may lead to kidney damage in patients with existing renal impairment. Dexamethasone often results in increased blood sugar levels. It can suppress the immune system and delay wound healing. Both medications may provoke allergic skin reactions. Long-term steroid exposure can affect bone density.