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Mycifradin (neomycin) Disease Interactions

There are 7 disease interactions with Mycifradin (neomycin):

Major

Aminoglycosides (Includes Mycifradin) ↔ Dehydration

Severe Potential Hazard, High plausibility

Applies to: Dehydration, Diarrhea, Vomiting

Adequate hydration is crucial to minimize the risk of oto- and nephrotoxicity associated with the use of aminoglycosides. Dehydration should preferably be corrected prior to initiation of therapy. In patients who may be at risk for dehydration, such as those with severe and/or prolonged diarrhea or vomiting, fluid status should be monitored closely. If signs of renal irritation develop during therapy, hydration should be increased as indicated, accompanied by a reduction in dosage if necessary. Therapy should be withdrawn if urinary output decreases progressively or azotemia increases.

References

  1. "Product Information. Netromycin (netilmicin)." Schering Laboratories, Kenilworth, NJ.
  2. "Product Information. Streptomycin (streptomycin)." Pfizer US Pharmaceuticals, New York, NY.
  3. "Product Information. Garamycin (gentamicin)." Schering-Plough Corporation, Kenilworth, NJ.
View all 6 references
Major

Aminoglycosides (Includes Mycifradin) ↔ Neuromuscular Blockade

Severe Potential Hazard, Moderate plausibility

Applies to: Botulism, Hypocalcemia, Myoneural Disorder, Parkinsonism

Aminoglycosides can cause dose-related neuromuscular blockade and muscle weakness, particularly in patients with neuromuscular disease or hypocalcemia and in patients receiving general anesthetics, neuromuscular blocking agents, or massive transfusions of citrate-anticoagulated blood. Although aminoglycoside-induced neuromuscular blockade is generally self-limiting, it may rarely result in respiratory paralysis. Neomycin is thought to be the most potent neuromuscular blocking agent in the class. However, the risk is greatest with intraperitoneal or intrapleural instillation of large doses or rapid intravenous administration of parenteral aminoglycosides. Therapy with aminoglycosides should be administered cautiously in patients with neuromuscular disorders (e.g., myasthenia gravis, parkinsonian syndrome, botulism) or hypocalcemia. If signs of respiratory paralysis occur during aminoglycoside therapy, the drug should be discontinued and mechanical respiratory assistance provided if necessary.

References

  1. "Product Information. Mycifradin (neomycin)." Emerson Laboratories, Texarkana, TX.
  2. "Product Information. Amikin (amikacin)." Bristol-Myers Squibb, Princeton, NJ.
  3. "Product Information. Nebcin (tobramycin)." Lilly, Eli and Company, Indianapolis, IN.
View all 9 references
Major

Aminoglycosides (Includes Mycifradin) ↔ Ototoxicity

Severe Potential Hazard, High plausibility

Applies to: Hearing Loss, Tinnitus

Aminoglycosides can cause eighth cranial nerve damage, resulting in vestibular and/or auditory toxicities. Symptoms include dizziness, nystagmus, vertigo, ataxia, tinnitus, and varying degrees of hearing impairment. Permanent hearing loss may occur, including, rarely, total or partial irreversible bilateral deafness after the drug has been discontinued. Therapy with aminoglycosides, particularly if prolonged (> 10 days), should be administered cautiously in patients with preexisting vestibular and/or auditory impairment, since it may delay the recognition or confound the diagnosis of a drug-induced ototoxic effect. To minimize the risk of toxicity, patients should be adequately hydrated, the usual aminoglycoside dosage should not be exceeded, use with other ototoxic agents should be avoided, and peak and trough serum aminoglycoside concentrations should be periodically determined and dosage adjusted to maintain desired levels. Serial audiograms should be obtained in patients old enough to be tested, since loss of high-frequency perception usually precedes clinical hearing loss. The dosage should be reduced or therapy withdrawn promptly if signs and symptoms of toxicity develop.

References

  1. Gendeh BS, Said H, Gibb AG, Aziz NS, Kong N, Zahir ZM "Gentamicin ototoxicity in continuous ambulatory peritoneal dialysis." J Laryngol Otol 107 (1993): 681-5
  2. Esterhai JL, Bednar J, Kimmelman CP "Gentamicin-induced ototoxicity complicating treatment of chronic osteomyelitis." Clin Orthop Aug (1986): 185-6
  3. "Product Information. Garamycin (gentamicin)." Schering-Plough Corporation, Kenilworth, NJ.
View all 33 references
Major

Aminoglycosides (Includes Mycifradin) ↔ Renal Dysfunction

Severe Potential Hazard, High plausibility

Applies to: Renal Dysfunction

Aminoglycosides are potentially oto- and nephrotoxic. Eighth cranial nerve damage may manifest as vestibular and/or auditory toxicities, including dizziness, nystagmus, vertigo, ataxia, tinnitus, and varying degrees of hearing impairment. Nephrotoxicity is usually evidenced by tubular necrosis; increases in BUN, nonprotein nitrogen, and serum creatinine concentration; decreases in urine specific gravity and creatinine clearance; proteinuria; and cells or casts in the urine. Rarely, renal electrolyte wasting may occur, resulting in hypocalcemia, hypomagnesemia, and hypokalemia that may be associated with paresthesia, tetany, confusion, and positive Chvostek and Trousseau signs. Although aminoglycoside-induced nephrotoxicity is generally reversible following discontinuation of the drug, death from uremia has occurred rarely. Therapy with aminoglycosides should be administered cautiously at reduced dosages in patients with renal impairment, since they may be at increased risk for oto- and nephrotoxicity due to drug accumulation. To minimize the risk of toxicity, patients should be adequately hydrated, the usual aminoglycoside dosage should not be exceeded, use with other neuro- and nephrotoxic agents should be avoided, and peak and trough serum aminoglycoside concentrations should be periodically determined and dosage adjusted to maintain desired levels. Renal and eighth cranial nerve function should be closely monitored, and the dosage reduced or therapy withdrawn if toxicity develops.

References

  1. Sarubbi FA, Hull JH "Amikacin serum concentrations: prediction of levels and dosage guidelines." Ann Intern Med 89 (1978): 612-8
  2. Kumin GD "Clinical nephrotoxicity of tobramycin and gentamicin." JAMA 244 (1980): 1808-10
  3. Jaffe, Meyers BR, Hirschman SZ "Pharmacokinetics of tobramycin in patients with stable renal impairment, patients undergoing peritoneal dialysis, and patients on chronic hemodialysis." Antimicrob Agents Chemother 5 (1974): 611-6
View all 57 references
Major

Aminoglycosides (Oral) (Includes Mycifradin) ↔ Intestinal Obstruction

Severe Potential Hazard, High plausibility

Applies to: Intestinal Obstruction

The use of oral aminoglycosides is contraindicated in patients with intestinal obstruction. Orally administered aminoglycosides are poorly absorbed from the gastrointestinal tract and primarily eliminated unchanged in the feces. Drug retention and enhanced systemic absorption may occur in the presence of intestinal obstruction, increasing the risk of oto- and nephrotoxicity associated with these drugs.

References

  1. "Product Information. Humatin (paromomycin)." Parke-Davis, Morris Plains, NJ.
  2. "Product Information. Mycifradin (neomycin)." Emerson Laboratories, Texarkana, TX.
  3. Ristuccia AM, Cunha BA "The aminoglycosides." Med Clin North Am 66 (1982): 303-12
Major

Neomycin (Oral Solution) (Includes Mycifradin) ↔ Gi Inflammation

Severe Potential Hazard, High plausibility

Applies to: Colitis/Enteritis (Noninfectious), Colonic Ulceration

The use of neomycin oral solution is contraindicated in patients with inflammatory or ulcerative gastrointestinal diseases because of the potential for enhanced absorption of neomycin. Like other aminoglycosides, neomycin is potentially oto- and nephrotoxic, and systemic exposure should be avoided if possible.

References

  1. "Product Information. Mycifradin (neomycin)." Emerson Laboratories, Texarkana, TX.
Moderate

Antibiotics (Includes Mycifradin) ↔ Colitis

Moderate Potential Hazard, Moderate plausibility

Applies to: Colitis/Enteritis (Noninfectious)

Pseudomembranous colitis has been reported with most antibacterial agents and may range in severity from mild to life-threatening, with an onset of up to two months following cessation of therapy. Antibiotic therapy can alter the normal flora of the colon and permit overgrowth of Clostridium difficile, whose toxin is believed to be a primary cause of antibiotic- associated colitis. The colitis is usually characterized by severe, persistent diarrhea and severe abdominal cramps, and may be associated with the passage of blood and mucus. The most common culprits are clindamycin, lincomycin, the aminopenicillins (amoxicillin, ampicillin), and the cephalosporins. Therapy with broad-spectrum antibiotics and other agents with significant antibacterial activity should be administered cautiously in patients with a history of gastrointestinal diseases, particularly colitis. There is some evidence that pseudomembranous colitis, if it occurs, may run a more severe course in these patients and that it may be associated with flares in their underlying disease activity. The offending antibiotic(s) should be discontinued if significant diarrhea occurs during therapy. Stool cultures for Clostridium difficile and stool assay for C. difficile toxin may be helpful diagnostically. A large bowel endoscopy may be considered to establish a definitive diagnosis in cases of severe diarrhea.

References

  1. Moriarty HJ, Scobie BA "Pseudomembranous colitis in a patient on rifampicin and ethambutol." N Z Med J 04/23/80 (1980): 294-5
  2. Thomas E, Mehta JB "Pseudomembranous colitis due to oxacillin therapy." South Med J 77 (1984): 532-3
  3. Harmon T, Burkhart G, Applebaum H "Perforated pseudomembranous colitis in the breast-fed infant." J Pediatr Surg 27 (1992): 744-6
View all 47 references

Mycifradin (neomycin) drug Interactions

There are 171 drug interactions with Mycifradin (neomycin)

Drug Interaction Classification

The classifications below are a general guideline only. It is difficult to determine the relevance of a particular drug interaction to any individual given the large number of variables.

Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.

Do not stop taking any medications without consulting your healthcare provider.

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