Interacción de Mifepristona con Quinina
Mifepristona con Quinina: ambas etiquetas de prescripción describen una interacción que por lo general requiere seguimiento, un cambio de dosis o espaciar las tomas.
Por lo general, manejable con seguimiento o un cambio de dosis. Informe a su farmacéutico de que toma ambos.
Qué dicen las etiquetas de la FDA
De la etiqueta de Mifepristona (Mifepristone) · vigente desde 2025-09-25
There is little or no experience with high exposure, concomitant dosing with other QT-prolonging drugs, or potassium channel variants resulting in a long QT interval. [See Warnings & Precautions ( 5.6 )] To minimize risk, the lowest effective dose should always be used.
De la etiqueta de Quinina (QUININE SULFATE) · vigente desde 2025-10-31
Although a causal relationship between a specific drug and the arrhythmia was not established in this case, erythromycin is a CYP3A4 inhibitor and has been shown to increase quinine plasma levels when used concomitantly.
Ketoconazole (CYP3A4 Inhibitor) In a crossover study, healthy subjects (N=9) who received a single oral dose of quinine hydrochloride (500 mg) concomitantly with ketoconazole (100 mg twice daily for 3 days) had a mean quinine AUC that was higher by 45% and a mean oral clearance of quinine that was 31% lower than after receiving quinine alone.
Macrolide Antibiotics (Erythromycin, Troleandomycin) (CYP3A4 Inhibitors) In a crossover study (N=10), healthy subjects who received a single oral 600 mg dose of quinine sulfate with the macrolide antibiotic, troleandomycin (500 mg every 8 hours) exhibited a 87% higher mean quinine AUC, a 45% lower mean oral clearance of quinine, and a 81% lower formation clearance…
Oral Contraceptives (Estrogen, Progestin) In 7 healthy females who were using single-ingredient progestin or combination estrogen-containing oral contraceptives, the pharmacokinetic parameters of a single 600 mg dose of quinine sulfate were not altered in comparison to those observed in 7 age-matched female control subjects not using oral contraceptives.
CYP3A4 and CYP2D6 substrates Quinine is an inhibitor of CYP3A4 and CYP2D6.
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Abrir en el verificadorNo es un consejo médico. Interaction Checker cita el texto de las etiquetas de la FDA y las hojas informativas de los NIH. Que una interacción sea importante en su caso depende de las dosis, el momento de las tomas, la función renal y hepática y otras afecciones. Confírmelo con un farmacéutico o un prescriptor.