Commonly reported side effects of irbesartan include: hyperkalemia. If you buy something through a link on this page, we may earn a small commission. Your risk may be higher if you’re a senior, take a diuretic, are dehydrated, or already have poor kidney function. © 2005-2020 Healthline Media a Red Ventures Company. You should not need a new prescription for this medication to be refilled. If you’re a senior, you may need a lower dosage or a different treatment schedule.Irbesartan oral tablet is used for long-term treatment. Consult your healthcare professional (e.g., doctor or pharmacist) for more in formation. This could cause dangerous side effects.Keep these considerations in mind if your doctor prescribes irbesartan for you.A prescription for this medication is refillable. O 0Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.Some side effects may not be reported. It comes with serious risks if you don’t take it as prescribed.If you stop taking the drug or don’t take it at all:Don’t stop taking irbesartan without talking to your doctor. If they’re more severe or don’t go away, talk to your doctor or pharmacist.Call your doctor right away if you have serious side effects. Irbesartan is a prescription drug. This makes your blood vessels relax more. Taking it again could be fatal (cause death).This drug may harm or end your pregnancy. Irbesartan oral tablet is a prescription medication used to treat high blood pressure and diabetic nephropathy caused by type 2 diabetes. Healthline Media does not provide medical advice, diagnosis, or treatment. A typical adult dosage may cause levels of this drug to be higher than normal. It also allows your kidneys to get rid of extra water and salt. When pregnancy is detected, discontinue irbesartan as soon as possible; drugs that act directly on the renin-angiotensin system can cause serious fetal toxicity.Along with its needed effects, irbesartan may cause some unwanted effects. Cerner Multum, Inc. "Australian Product Information." This helps lower your blood pressure, and helps improve your kidney function.Irbesartan oral tablet doesn’t cause drowsiness, but it can cause other side effects.The more common side effects that can occur with irbesartan include:If these effects are mild, they may go away within a few days or a couple of weeks. These are available at most pharmacies and online.There are other drugs available to treat your condition. If you’re a senior, you may need a lower dosage or a different treatment schedule.This drug hasn’t been studied in children under the age of 6 years, and it shouldn’t be used in people younger than 18 years.Older adults may process drugs more slowly. Irbesartan should only be used during pregnancy if the potential benefit justifies the potential risk.If you become pregnant while taking this drug, call your doctor right away.All possible dosages and forms may not be included here. "Product Information. You should keep a log with the date, time of day, and your blood pressure readings. Talk to your doctor about other drug options that may work for you. Tell your doctor if you’re pregnant or plan to become pregnant. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Symptoms include:If you develop these symptoms, call 911 or go to the nearest emergency room.Don’t take this drug again if you’ve ever had an allergic reaction to it. Call 911 if your symptoms feel life-threatening or if you think you’re having a medical emergency. dizziness, faintness, or lightheadedness when getting up from lying or sitting position An interaction is when a substance changes the way a drug works. These medications may interact and cause very harmful effects. Avapro (irbesartan)." Although not all of these side effects may occur, if they do occur they may need medical attention.Some side effects of irbesartan may occur that usually Check with your health care professional if any of the following side effects Hyperkalemia (5.5 mEq/L or greater) occurred in 29.4% of hypertensive diabetic patients with microalbuminuria and normal renal function and in 46.3% of hypertensive diabetic patients with chronic renal insufficiency and overt proteinuria.1. Serious side effects and their symptoms can include the following:Irbesartan oral tablet can interact with other medications, vitamins, or herbs you may be taking.