Drug Interactions between Osmitrol and vilazodone

Treatment with vilazodone may occasionally cause blood sodium levels to get too low, a condition known as hyponatremia, and using it with mannitol can increase that risk. You should seek medical attention if you experience nausea, vomiting, headache, lethargy, irritability, difficulty concentrating, memory impairment, confusion, muscle spasm, weakness or unsteadiness, as these may be symptoms of hyponatremia. More severe cases may lead to hallucination, fainting, seizure, coma, and even death. Vilazodone can also affect your blood pressure and heart rate. You may need a dose adjustment or more frequent monitoring of your blood pressure and pulse to safely use both medications. You should avoid rising abruptly from a sitting or lying position while taking these medications, especially at the beginning of treatment or after an increase in dose. Call your doctor if you experience dizziness, lightheadedness, fainting, or a rapid heart beat. 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.

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