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from eMedTV.comInvega Interactions Explained
Each of the medications mentioned above (except carbamazepine) increases the risk of a dangerous irregular heart rhythm (arrhythmia) called QT prolongation. Since Invega can also increase the risk of QT prolongation, it should generally not be combined with any of the above medications. In some instances, it may be appropriate to use Invega with a medication listed above, especially if the heart is monitored closely. Because this list does not include all QT-prolonging medications, it is very important to tell your healthcare provider (prior to taking Invega) about every medication you are taking.
Carbamazepine interacts with Invega by decreasing the level of Invega in the blood, possibly making it less effective. If you start taking carbamazepine, your Invega dose may need to be increased; if you stop taking carbamazepine, your dose may need to be decreased. Make sure to consult your healthcare provider before combining these medications.
It is possible that not every drug interaction with Invega was discussed in this article. Therefore, you should talk with your pharmacist or healthcare provider about specific Invega drug interactions that may apply to you.
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD