Tobramycin — Uses, Dosage, Side Effects & Safety

Drug class: Aminoglycoside Antibiotic

Overview

Tobramycin is an aminoglycoside antibiotic used to treat serious bacterial infections, especially those caused by Gram-negative bacteria such as Pseudomonas aeruginosa. It is commonly prescribed for lung infections in people with cystic fibrosis, as well as for eye infections and certain systemic infections. Tobramycin works by stopping the growth of bacteria. It does this by binding to bacterial ribosomes, which prevents the bacteria from making proteins they need to survive. This action helps clear the infection from the body. Key points for patients: Tobramycin is usually given by injection, inhalation, or as eye drops/ointment. It is important to use the medication exactly as prescribed and to complete the full course, even if symptoms improve. Patients should be aware of possible side effects, especially those affecting hearing or kidneys, and report any unusual symptoms to their healthcare provider.

Frequently Asked Questions about Tobramycin

What is tobramycin used for?

Tobramycin is used to treat serious bacterial infections, especially those caused by Gram-negative bacteria, including lung infections in cystic fibrosis, eye infections, and certain systemic infections.

How does tobramycin work?

Tobramycin works by binding to bacterial ribosomes, blocking protein synthesis, and stopping the growth of bacteria.

What are the most common side effects?

Common side effects include cough (with inhaled forms), sore throat, mild nausea, and mild irritation of the eyes (with ophthalmic forms).

Can tobramycin cause hearing loss?

Yes, tobramycin can cause hearing loss or balance problems, especially with prolonged use or in people with kidney problems.

Is tobramycin safe during pregnancy?

Tobramycin should be used during pregnancy only if clearly needed, as it may pose risks to the fetus.

How should I store tobramycin?

Store at room temperature away from moisture and heat. Do not freeze inhalation or ophthalmic solutions.

What should I do if I miss a dose?

Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue as scheduled. Do not double up doses.

Educational information only. Always consult a qualified healthcare professional before starting, stopping, or changing any medication.