Package Leaflet: Information for the Patient
Irbesartan Alter 150 mg Film-Coated Tablets EFG
Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.
Contents of the pack
Irbesartan Alter belongs to a group of medicines known as angiotensin-II receptor antagonists. Angiotensin-II is a substance produced in the body that binds to receptors, causing blood vessels to constrict. This results in an increase in blood pressure.
Irbesartan Alter prevents angiotensin-II from binding to these receptors, relaxing blood vessels and reducing blood pressure. Irbesartan Alter slows the deterioration of kidney function in patients with high blood pressure and type 2 diabetes.
Irbesartan Alter is used in adult patients:
Do not take Irbesartan Alter
Warnings and precautions
Consult your doctor or pharmacist before starting to take Irbesartan Alter and if any of the following applies to you.
Consult your doctor if you experience abdominal pain, nausea, vomiting, or diarrhea after taking Irbesartan Alter. Your doctor will decide whether to continue treatment. Do not stop taking Irbesartan Alter on your own.
Your doctor may check your kidney function, blood pressure, and blood electrolyte levels (e.g., potassium) at regular intervals.
See also the information under the heading “Do not take Irbesartan Alter”.
If you are pregnant, think you may be pregnant, or are planning to become pregnant, inform your doctor. Irbesartan Alter is not recommended during the first trimester of pregnancy and should not be taken after the third month of pregnancy as it may cause serious harm to your baby (see section Pregnancy).
Children and adolescents
This medicine should not be used in children and adolescents as the safety and efficacy have not been fully established.
Taking Irbesartan Alter with other medicines
Inform your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines.
Your doctor may need to modify your dose and/or take other precautions:
If you are taking an angiotensin-converting enzyme inhibitor (ACE inhibitor) or aliskiren (see also the information under the headings “Do not take Irbesartan Alter” and “Warnings and precautions”).
You may need to have blood tests if you are taking:
If you are using a type of pain reliever known as non-steroidal anti-inflammatory medicines, the effect of Irbesartan may be reduced.
Taking Irbesartan Alter with food and drink
Irbesartan Alter can be taken with or without food.
Pregnancy and breastfeeding
Pregnancy
Inform your doctor if you are pregnant, think you may be pregnant, or are planning to become pregnant. Your doctor will normally advise you to stop taking Irbesartan Alter before you become pregnant or as soon as you know you are pregnant and will advise you to take another medicine to treat your high blood pressure.
Irbesartan Alter is not recommended during the first trimester of pregnancy and should not be taken after the third month of pregnancy as it may cause serious harm to your baby.
Breastfeeding
Inform your doctor if you are about to start or are already breastfeeding. It is not recommended to take Irbesartan Alter while breastfeeding. Your doctor may decide to give you a different treatment that is more suitable if you want to breastfeed, especially if you are breastfeeding a newborn or premature baby.
Driving and using machines
No studies have been performed on the effects of Irbesartan Alter on the ability to drive and use machines. It is unlikely that Irbesartan Alter will affect your ability to drive or use machines. However, during treatment for high blood pressure, dizziness or fatigue may occasionally occur. If you experience these symptoms, consult your doctor before driving or using machines.
Irbesartan Alter contains lactose
If your doctor has told you that you have an intolerance to some sugars, consult your doctor before taking this medicine.
Always take this medicine exactly as your doctor has told you. If you are not sure, check with your doctor or pharmacist.
Method of administration
Irbesartan Alter is taken by mouth. The tablets should be swallowed with a sufficient amount of liquid (e.g., a glass of water). Irbesartan Alter can be taken with or without food. Try to take your daily dose at the same time each day. It is important that you continue to take this medicine until your doctor tells you to stop.
The usual dose is 150 mg once daily. Depending on the response to blood pressure, this dose may be increased to 300 mg once daily (two tablets a day).
In patients with high blood pressure and type 2 diabetes, the recommended maintenance dose for the treatment of kidney damage is 300 mg once daily (two tablets a day).
Your doctor may advise a lower dose, especially when starting treatment, in certain patients, such as hemodialysis patientsor patients over 75 years.
The maximum blood pressure-lowering effect should be achieved within 4-6 weeks after starting treatment.
Use in children and adolescents
Irbesartan Alter should not be given to children under 18 years. If a child swallows several tablets, contact your doctor immediately.
If you take more Irbesartan Alter than you should
If you accidentally take too many tablets, contact your doctor immediately.
In case of overdose or accidental ingestion, go to a Medical Center or consult the Toxicology Information Service, phone 91 562 04 20, indicating the medicine and the amount taken.
If you forget to take Irbesartan Alter
If you accidentally miss a dose, simply take your normal dose when it is due next. Do not take a double dose to make up for forgotten doses.
If you have any further questions on the use of this product, ask your doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
Some of these side effects can be serious and may need medical attention.
As with similar medicines, rare cases of allergic skin reactions (skin rash, urticaria) and localized swelling in the face, lips, and/or tongue have been reported in patients treated with Irbesartan. If you think you may have an allergic reaction or experience difficulty breathing, stop taking Irbesartan Alter and go to a medical center immediately.
The following side effects have been reported in clinical trials in patients treated with Irbesartan:
Since the marketing of Irbesartan, some side effects have been reported. The side effects observed with unknown frequency (frequency cannot be estimated from available data) are: feeling of spinning, headache, taste disturbance, ringing in the ears, muscle cramps, muscle and joint pain, reduced platelet count, abnormal liver function, high potassium levels in the blood, kidney function impairment, and inflammation of small blood vessels, mainly in the skin area (condition known as leucocytoclastic vasculitis). Rare cases (may affect up to 1 in 1,000 people) of jaundice (yellowing of the skin and/or the whites of the eyes) have also been observed.
Reporting of side effects
If you experience any side effects, talk to your doctor, pharmacist, or nurse. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Spanish Medicines and Healthcare Products Agency (AEMPS) website: https://www.notificaram.es. By reporting side effects, you can help provide more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children.
Do not use this medicine after the expiry date which is stated on the carton and blister after EXP. The expiry date refers to the last day of the month shown.
No special storage conditions are required. Store in the original package.
Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures will help protect the environment.
Composition of Irbesartan Alter
Appearance and packaging
White, round, biconvex film-coated tablets.
The tablets are presented in blister packs of 28 tablets.
Marketing authorization holder and manufacturer
Laboratorios Alter S.A.
C/ Mateo Inurria 30
28036 Madrid
Spain
Date of last revision of this leaflet: February 2025
Detailed and up-to-date information on this medicine is available on the website of the Spanish Medicines and Healthcare Products Agency (AEMPS) http://www.aemps.gob.es/.
The average price of IRBESARTAN ALTER 150 mg FILM-COATED TABLETS in October, 2025 is around 7.74 EUR. Prices may vary depending on the region, pharmacy, and whether a prescription is required. Always check with a local pharmacy or online source for the most accurate information.