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Drug Interactions between tadalafil and Tecvayli

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

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Interactions between your drugs

Moderate

tadalafil teclistamab

Applies to: tadalafil and Tecvayli (teclistamab)

Consumer information for this interaction is not currently available.

MONITOR: Coadministration with teclistamab may increase the plasma concentrations of drugs that are substrates of CYP450 isoenzymes. Initiation of teclistamab treatment causes transient release of cytokines that may suppress CYP450 isoenzymes, although the potential for interaction has not been studied. According to the manufacturer, the highest drug-drug interaction risk would be from the start of teclistamab therapy (including the initial step-up dosing schedule) up to 7 days after the first treatment dose (considered to be the first weekly dose administered after the completion of the step-up dosing schedule), as well as during and after cytokine release syndrome.

MANAGEMENT: Caution is advised when teclistamab is coadministered with drugs that are metabolized by CYP450 isoenzymes, particularly those with a narrow therapeutic range, where minimal changes to concentration may lead to significant adverse reactions, such as carbamazepine, colchicine, cyclosporine, disopyramide, phenytoin, quinidine, theophylline, warfarin, macrolide immunosuppressants, vinca alkaloids, and some narcotic analgesics. Clinical and/or laboratory monitoring are recommended, particularly at the initial phase of treatment with teclistamab as well as during and after cytokine release syndrome, and the dosage(s) of the CYP450 substrate(s) adjusted accordingly.

Drug and food/lifestyle interactions

Moderate

tadalafil food/lifestyle

Applies to: tadalafil

Tadalafil can lower blood pressure, and combining it with alcohol may further increase this effect. You may be more likely to experience symptoms such as dizziness, lightheadedness, fainting, flushing, headache, and heart palpitations. You should avoid or limit the use of alcohol to not more than 4 alcohol-containing drinks during a small period of time while being treated with tadalafil, and use caution when getting up from a sitting or lying position. You may also want to avoid drinking large amounts of grapefruit juice, since it may increase the blood levels and effects of tadalafil. 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.

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.

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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

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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