Drug Interaction Report
3 potential interactions and/or warnings found for the following 2 drugs:
- cinacalcet
- Toviaz (fesoterodine)
Interactions between your drugs
cinacalcet fesoterodine
Applies to: cinacalcet, Toviaz (fesoterodine)
Cinacalcet may increase the blood levels and effects of fesoterodine. You may need a dose adjustment if you have been taking fesoterodine and are starting treatment with cinacalcet. Let your doctor know if you experience excessive drowsiness, dizziness, irregular heartbeat, blurry vision, difficulty urinating, dry mouth, headache, gastrointestinal upset, or constipation while taking these medications, as they may be symptoms caused by excessive effects of fesoterodine. 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.
Drug and food interactions
cinacalcet food
Applies to: cinacalcet
Food can enhance the levels of cinacalcet in your body. Cinacalcet should be taken just after eating food. Do not take it on an empty stomach. This will make it easier for your body to absorb the medication. Do not crush, chew, or break the tablets. Swallow them whole.
fesoterodine food
Applies to: Toviaz (fesoterodine)
Grapefruit juice may increase the levels of fesoterodine in your body. Let your doctor know if you experience excessive drowsiness, dizziness, irregular heartbeat, blurry vision, difficulty urinating, dry mouth, headache, gastrointestinal upset, or constipation while taking fesoterodine. 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 duplication 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
| Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
| Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
| 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. | |
| No interaction information available. |
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Further information
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