Never take neomycin in larger amounts than recommended, or for longer than 2 weeks. High doses or long-term use of neomycin can cause serious kidney problems, or hearing loss that may not be reversible. The longer you take neomycin, the more likely you are to develop these serious side effects. Follow the directions on your prescription label.
Measure liquid medicine with a special dose-measuring spoon or medicine cup, not with a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.
Take  neomycin 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. Neomycin will not treat a viral infection such as the common cold or flu.
To be sure this medication is not causing harmful effects, your kidney function, and your nerve and muscle function will need to be tested often. You may also need hearing tests. Neomycin can have long lasting effects on your body. Do not miss any follow up visits to your doctor for blood or urine tests.
If you are taking neomycin for hepatic coma, your treatment may also include a special diet. It is very important to follow the diet plan created for you by your doctor. You should become very familiar with the list of foods you should avoid to help control your condition.
If you need surgery, tell the surgeon ahead of time that you are using neomycin. Neomycin can interact with certain medicines that may be given during surgery.
Store at room temperature away from moisture and heat. Do not allow the liquid form of this medicine to freeze.
 Detailed Neomycin dosage information
What happens if I miss a dose?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include severe forms of some of the side effects listed in this medication guide.
