Does Dermatophagoides Farinae Interact with Nonselective Beta Adrenergic Antagonists?
Dermatophagoides Farinae and Nonselective Beta Adrenergic Antagonists have a major drug interaction according to U.S. FDA drug labeling data. Patients receiving beta blockers may not be responsive to beta adrenergic drugs used to treat anaphylaxis. Temporary postponement of treatment on skin testing day may be considered. The mechanism involves beta blockers interfere with beta adrenergic responsiveness. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.
- Severity
- Major
- Dermatophagoides Farinae Class
- Standardized Insect Allergenic Extract
- Management
- Close medical supervision required
- Data Source
- U.S. FDA via OpenFDA
How This Interaction Works
The interaction between Dermatophagoides Farinae and Nonselective Beta Adrenergic Antagonists occurs because beta blockers interfere with beta adrenergic responsiveness. Clinically, this means patients receiving beta blockers may not be responsive to beta adrenergic drugs used to treat anaphylaxis. temporary postponement of treatment on skin testing day may be considered. This is classified as a major interaction, meaning it could cause serious harm if not properly managed. Your healthcare provider may need to adjust dosages, substitute one medication, or increase monitoring frequency.
What To Tell Your Doctor or Pharmacist
If you are taking Dermatophagoides Farinae and your doctor is considering prescribing Nonselective Beta Adrenergic Antagonists (or vice versa), make sure to:
- Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
- Ask whether the benefits of combining these medications outweigh the risks for your specific situation
- Ask what symptoms to watch for that would indicate the interaction is causing problems
- Ask how frequently you should be monitored while these are co-prescribed
- Ask whether any dosage adjustments are needed
- Never stop or change either medication without first consulting your healthcare provider