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Conivaptan and Taytulla

Determining the interaction of Conivaptan and Taytulla and the possibility of their joint administration.

Check result:
Conivaptan <> Taytulla
Relevance: 08.07.2022 Reviewer: Shkutko P.M., M.D., in

In the database of official manuals used in the service creation an interaction registered by statistical results of studies was found, which can either lead to negative consequences for the patient health or strengthen a mutual positive effect. A doctor should be consulted to address the issue of joint drug administration.

Consumer:

Conivaptan may increase the blood levels and effects of ethinyl estradiol, even after you have stopped using conivaptan for a while. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. Contact your doctor if your condition changes or you experience increased side effects. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Professional:

MONITOR: Coadministration with conivaptan may increase the plasma concentrations of drugs that are substrates of the CYP450 3A4 isoenzyme. The mechanism is decreased clearance due to inhibition of CYP450 3A4 activity by conivaptan. In pharmacokinetic studies with drugs that are primarily metabolized by CYP450 3A4 such as midazolam, simvastatin, and amlodipine, conivaptan has increased systemic exposure (AUC) by 2- to 3-fold.

MANAGEMENT: Caution is advised if conivaptan must be used concurrently with medications that undergo metabolism by CYP450 3A4, particularly those with a narrow therapeutic range. Dosage adjustments as well as clinical and laboratory monitoring may be appropriate for some drugs whenever conivaptan is added to or withdrawn from therapy, or the combination avoided altogether. If a clinical decision is made to discontinue concomitant medications at recommended doses, clinicians should allow an appropriate amount of time following the end of conivaptan administration before resuming these medications.

References
  • "Product Information. Vaprisol (conivaptan)." Cumberland Pharmaceuticals Inc, Nashville, TN.
Conivaptan

Generic Name: conivaptan

Brand name: Vaprisol

Synonyms: n.a.

Taytulla

Generic Name: ethinyl estradiol / norethindrone

Brand name: Blisovi 24 Fe, Estrostep Fe, Femcon Fe, Kaitlib FE, Lo Minastrin Fe, Microgestin 24 Fe, Norinyl 1+35, Ortho-Novum 7/7/7, Taytulla, Tri-Norinyl, Zenchent, Blisovi 24 Fe, Blisovi Fe 15/30, Blisovi Fe 1/20, Gildess 24 Fe, Gildess Fe 15/30, Gildess Fe 1/20, Junel Fe 15/30, Junel Fe 1/20, Junel Fe 24, Larin 24 Fe, Larin Fe 15/30, Larin Fe 1/20, Lo Loestrin Fe, Loestrin 24 Fe, Loestrin Fe 15/30, Loestrin Fe 1/20, Lomedia 24 Fe, Microgestin 24 Fe, Microgestin Fe 15/30, Microgestin Fe 1/20, Tarina Fe 1/20, Tilia Fe, Tri-Legest Fe, femhrt 05 mg/25 mcg, Fyavolv, Jevantique Lo, Jinteli, Femcon Fe, Generess FE, Loestrin 1/20, Ovcon 35, Brevicon

Synonyms: Taytulla (birth control)

In the course of checking the drug compatibility and interactions, data from the following reference sources was used: Drugs.com, Rxlist.com, Webmd.com, Medscape.com.

Interaction with food and lifestyle
Disease interaction