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Drug Interactions between Metvixia and Sulfatrim Pediatric

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Moderate

sulfamethoxazole methyl aminolevulinate topical

Applies to: Sulfatrim Pediatric (sulfamethoxazole / trimethoprim) and Metvixia (methyl aminolevulinate topical)

MONITOR: Concomitant use of aminolevulinate topical preparations with other known photosensitizing agents may enhance the phototoxic reaction to photodynamic therapy. These agents have each been individually associated with photosensitivity reactions and may have additive effects if administered concurrently. Medicinal products with known phototoxic or photoallergic potential include fluoroquinolones, phenothiazines, retinoids, sulfonamides, sulfonylureas, tetracyclines, thiazide diuretics, griseofulvin, and hypericin extracts (e.g., St John's Wort).

MANAGEMENT: Caution is advised and pharmacologic response to photodynamic therapy should be carefully monitored if concomitant use of other photosensitizing agents cannot be avoided. Patients should be advised to avoid exposure of treated areas to sunlight or bright indoor lights (e.g., examination lamps, operating room lamps, tanning beds, lights at close proximity) during the period between application of aminolevulinic acid or methyl aminolevulinate and photoactivation, and for 48 hours post-illumination. As sunscreen is not effective in protecting treated areas of skin, patients should be counseled to wear protective apparel, such as a wide-brimmed hat, long sleeve shirt, and gloves to protect themselves. Concomitant use with other topical medicinal products should be avoided. Some authorities recommend avoiding use of hypericin-containing products for 2 weeks prior to treatment with topical aminolevulinic acid.

References

  1. "Product Information. Levulan Kerastick (aminolevulinic acid)." Berlex Laboratories PROD (2001):
  2. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  3. Cerner Multum, Inc. "Australian Product Information." O 0
  4. "Product Information. Metvixia (methyl aminolevulinate topical)." Galderma Laboratories Inc (2008):
  5. Hoffman GA, Gradl G, Schulz M, Haidinger G, Tanew A, Weber B "The frequency of photosensitizing drug dispensings in Austria and Germany: A correlation with their photosensitizing potential based on published literature." J Eur Acad Dermatol Venereol 34 (2020): 589-600
  6. Blakely KM, Drucker AM, Rosen CF "Drug-induced photosensitivity—an update: Culprit drugs, prevention and management." Drug Saf 42 (2019): 827-47
  7. "Product Information. Metvix (methyl aminolevulinate topical)." Galderma (UK) Ltd (2022):
  8. "Product Information. Metvix (methyl aminolevulinate topical)." Galderma Australia Pty Ltd (2022):
  9. "Product Information. Metvix (methyl aminolevulinate topical)." Galderma Canada Inc (2023):
  10. "Product Information. Ameluz (aminolevulinic acid topical)." Biofrontera Inc. (2021):
  11. "Product Information. Levulan Kerastick (aminolevulinic acid topical)." DUSA Pharmaceuticals Inc (2006):
  12. "Product Information. Ameluz (aminolevulinic acid topical)." Biofrontera Pharma GmbH (2021):
  13. "Product Information. Alacare (aminolevulinic acid topical)." Link Medical Products Pty Ltd T/A Link Pharmaceuticals (2016):
  14. "Product Information. Alacare (aminolevulinic acid topical)." medac UK (2018):
View all 14 references

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Drug and food interactions

Moderate

sulfamethoxazole food

Applies to: Sulfatrim Pediatric (sulfamethoxazole / trimethoprim)

MONITOR: Two cases have been reported in which patients on sulfamethoxazole-trimethoprim therapy, after consuming beer, reported flushing, heart palpitations, dyspnea, headache, and nausea (disulfiram - alcohol type reactions). First-generation sulfonylureas have been reported to cause facial flushing when administered with alcohol by inhibiting acetaldehyde dehydrogenase and subsequently causing acetaldehyde accumulation. Since sulfamethoxazole is chemically related to first-generation sulfonylureas, a disulfiram-like reaction with products containing sulfamethoxazole is theoretically possible. However, pharmacokinetic/pharmacodynamic data are lacking and in addition, the two reported cases cannot be clearly attributed to the concomitant use of sulfamethoxazole-trimethoprim and alcohol.

MANAGEMENT: Patients should be alerted to the potential for this interaction and although the risk for this interaction is minimal, caution is recommended while taking sulfamethoxazole-trimethoprim concomitantly with alcohol.

References

  1. Heelon MW, White M "Disulfiram-cotrimoxazole reaction." Pharmacotherapy 18 (1998): 869-70
  2. Mergenhagen KA, Wattengel BA, Skelly MK, Clark CM, Russo TA "Fact versus fiction: a review of the evidence behind alcohol and antibiotic interactions." Antimicrob Agents Chemother 64 (2020): e02167-19

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Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

See also

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
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.
Unknown No interaction information available.

Further information

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