Follow all directions on your prescription label. Do not use this medicine in larger or smaller amounts or for longer than recommended. Gentamicin is usually given for 7 to 10 days.
Gentamicin is injected into a muscle, or into a vein through an IV. You may be shown how to use an IV at home. Do not self-inject this medicine if you do not understand how to give the injection and properly dispose of used needles, IV tubing, and other items used to inject the medicine.
Do not use gentamicin if it has changed colors or has particles in it. Call your pharmacist for new medication.
Do not mix gentamicin with other medicines in a syringe or IV bag.
Use a disposable needle and syringe only once. Follow any state or local laws about throwing away used needles and syringes. Use a puncture-proof "sharps" disposal container (ask your pharmacist where to get one and how to throw it away). Keep this container out of the reach of children and pets.
Use this medicine for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared. Skipping doses may also increase your risk of further infection that is resistant to antibiotics. Gentamicin will not treat a viral infection such as the flu or a common cold.
Drink plenty of liquids while you are taking gentamicin. This will help keep your kidneys working properly.
While using gentamicin, you may need frequent blood or urine tests. Your hearing, kidney function, and nerve function may also need to be checked.
If you need surgery, tell the surgeon ahead of time that you are using gentamicin.
Store this medicine at room temperature away from moisture and heat.
 Detailed Gentamicin dosage information
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What happens if I miss a dose?
Call your doctor for instructions if you miss a dose of gentamicin.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
