Description
Oral neomycin is used to help lessen the symptoms of hepatic coma, a complication of liver disease. In addition, it may be used with another medicine before any surgery affecting the bowels to help prevent infection during surgery.
Neomycin is available only with your doctor's prescription.
This product is available in the following dosage forms:
- Tablet
- Solution
Before Using
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:
Allergies
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Pediatric
Damage to hearing, sense of balance, and kidneys is more likely to occur in premature infants and neonates, who are more sensitive than adults to the effects of neomycin.
Geriatric
Serious side effects, such as damage to hearing, sense of balance, and kidneys may occur in elderly patients, who are usually more sensitive than younger adults to the effects of neomycin.
Breastfeeding
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Drug Interactions
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Alcuronium
- Aspirin
- Atracurium
- Cidofovir
- Cisatracurium
- Colistimethate Sodium
- Decamethonium
- Doxacurium
- Emtricitabine
- Ethacrynic Acid
- Fazadinium
- Foscarnet
- Furosemide
- Gallamine
- Hexafluorenium
- LetibotulinumtoxinA-wlbg
- Methotrexate
- Metocurine
- Mivacurium
- Pancuronium
- Pipecuronium
- Rapacuronium
- Rocuronium
- Sorafenib
- Tacrolimus
- Teicoplanin
- Tenofovir Alafenamide
- Tubocurarine
- Vecuronium
Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Bumetanide
- Digoxin
Other Interactions
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other Medical Problems
The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:
- Blockage of the bowel
- Eighth-cranial-nerve disease (loss of hearing and/or balance)—Oral neomycin may increase the chance of hearing loss and/or balance problems
- Kidney disease—Patients with kidney disease may have an increased chance of side effects
- Myasthenia gravis or
- Parkinson's disease—Patients with myasthenia gravis or Parkinson's disease may have an increased chance of developing muscular weakness
- Ulcers of the bowel—Patients with ulcers of the bowel may have an increased chance of side effects since more neomycin may be absorbed by the body
Proper Use
This medicine may be taken on a full or empty stomach.
For patients taking the oral liquid form of neomycin:
- Use a specially marked measuring spoon or other device to measure each dose accurately. The average household teaspoon may not hold the right amount of liquid.
Keep taking this medicine for the full time of treatment. Do not miss any doses.
Dosing
The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
- For oral dosage forms (solution, tablets):
- For patients in a coma from liver disease:
- Adults and teenagers—1 to 3 grams every six hours for five or six days.
- Children—Dose is based on body size (not weight) and must be determined by your doctor. That dose is given every six hours for five or six days.
- For cleaning the bowel before surgery:
- Adults and teenagers—1 gram every hour for four hours, then 1 gram every four hours for the rest of a twenty-four hour period; or 1 gram nineteen hours before surgery, 1 gram eighteen hours before surgery, and 1 gram nine hours before surgery.
- Children—Dose is based on body weight. The usual dose is 14.7 milligrams (mg) per kilogram (kg) (6.7 mg per pound) of body weight every four hours for three days.
- For patients in a coma from liver disease:
Missed Dose
If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
Storage
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Side Effects
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
Rare
- Any loss of hearing
- clumsiness
- diarrhea
- difficulty in breathing
- dizziness
- drowsiness
- greatly decreased frequency of urination or amount of urine
- increased amount of gas
- increased thirst
- light-colored, frothy, fatty-appearing stools
- ringing or buzzing or a feeling of fullness in the ears
- skin rash
- unsteadiness
- weakness
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
More common
- Irritation or soreness of the mouth or rectal area
- nausea or vomiting
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
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