Long Acting Antihistamines has 6 known drug interactions based on U.S. FDA drug labeling data. Of these, 1 are contraindicated combinations that should be avoided entirely. Notable interactions include combinations with Voriconazole, Copper Cu 64 Dotatate, Edotreotide Gallium Ga-68. Patients taking Long Acting Antihistamines should inform their healthcare provider of all current medications — including over-the-counter drugs and supplements — to avoid potentially harmful combinations. Data sourced from OpenFDA and the NIH National Library of Medicine.
- Total
- 6
- Contraindicated
- 1
- Moderate
- 5
Contraindicated (1)
- Long Acting Antihistamines + Voriconazole— Long-acting barbiturates likely result in significant reduction of voriconazole plasma exposure through CYP450 induction…
Moderate (5)
- Long Acting Antihistamines + Copper Cu 64 Dotatate— Long-acting somatostatin analogs competitively bind to somatostatin receptors (SSTR2), affecting imaging. A washout peri…
- Long Acting Antihistamines + Edotreotide Gallium Ga-68— Long-acting somatostatin analogs competitively bind to somatostatin receptors and may affect imaging. Image patients jus…
- Long Acting Antihistamines + Histamine— Lessen the skin test wheal and erythema responses elicited by histamine. Should be discontinued for at least 3 weeks pri…
- Long Acting Antihistamines + Nifedipine— Nifedipine may be safely co-administered with nitrates, but no controlled studies evaluate antianginal effectiveness of …
- Long Acting Antihistamines + Nitroglycerin— Use of long-acting nitrates may result in a decrease in therapeutic effect of sublingual nitroglycerin.