I myself wondered this question because I am on 300mg and I passed out when I stood up from a sitting position. I called a pharmacist and they said you can break them in half as long as they are not extended release tablets. It's always good to check with your personal pharmacist to make sure they are not.
- Irbesartan Information for Consumers
- Irbesartan Information for Healthcare Professionals (includes dosage details)
- Side Effects of Irbesartan (detailed)
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