


Ask a doctor about a prescription for LOSARTAN CINFA 100 mg FILM-COATED TABLETS
Package Leaflet: Information for the User
losartan cinfa 100 mg film-coated tablets EFG
potassium losartan
Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.
Contents of the pack
Losartan belongs to a group of medicines called angiotensin II receptor antagonists.
Angiotensin II is a substance produced in the body that binds to receptors in blood vessels, causing them to narrow. This results in an increase in blood pressure.
Losartan prevents angiotensin II from binding to these receptors, which causes the blood vessels to relax, resulting in a decrease in blood pressure. Losartan reduces the worsening of kidney function in patients with high blood pressure and type 2 diabetes.
Losartan cinfa is used:
Do not take losartan cinfa
Warnings and precautions
Consult your doctor or pharmacist before starting to take losartan cinfa.
Consult your doctor if you experience abdominal pain, nausea, vomiting, or diarrhea after taking losartan. Your doctor will decide whether to continue treatment. Do not stop taking losartan on your own.
You should inform your doctor if you think you are pregnant (or might be). Losartan is not recommended at the beginning of pregnancy, and it must not be taken if you are more than 3 months pregnant, as it may cause serious harm to your baby (see section Pregnancy and breastfeeding).
Before taking losartan, it is important that you inform your doctor:
Your doctor may monitor 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 losartan cinfa”.
Children and adolescents
Losartan has been studied in children. For more information, talk to your doctor.
Losartan is not recommended for use in children with kidney or liver problems, as there is limited data available in these patient groups. Losartan is not recommended for use in children under 6 years of age, as it has not been shown to work in this age group.
Taking losartan cinfa with other medicines
Tell your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines.
Tell your doctor if you are taking potassium supplements, salt substitutes that contain potassium, or potassium-sparing medicines such as certain diuretics (amiloride, triamterene, spironolactone), or other medicines that may increase serum potassium levels (e.g., heparin, trimethoprim-containing medicines), as combination with losartan is not recommended.
While you are being treated with losartan, be particularly careful if you take any of the following medicines:
Your doctor may need to adjust 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 losartan cinfa” and “Warnings and precautions”).
If your kidney function is impaired, concomitant use of these medicines may cause worsening of kidney function.
Medicines that contain lithium should not be used in combination with losartan without your doctor performing close monitoring. It may be appropriate to take special precautions (e.g., blood tests).
Taking losartan cinfa with food and drink
Losartan can be taken with or without food.
Pregnancy and breastfeeding
Pregnancy
You should inform your doctor if you think you are pregnant (or might be). Your doctor will normally advise you to stop taking losartan before you become pregnant or as soon as you know you are pregnant and will advise you to take another medicine instead of losartan. Losartan is not recommended at the beginning of pregnancy, and it must not be taken if you are more than 3 months pregnant, as it may cause serious harm to your baby if used after the third month of pregnancy.
Breastfeeding
Tell your doctor if you are breastfeeding or about to start breastfeeding. Losartan is not recommended for mothers who are breastfeeding, and your doctor may choose another treatment for you if you want to breastfeed. Especially if your baby is a newborn or was born prematurely.
Consult your doctor or pharmacist before using this medicine.
Driving and using machines
No studies on the effects on the ability to drive and use machines have been performed.
Losartan is unlikely to affect your ability to drive or use machines. However, as with many medicines used to treat high blood pressure, losartan may cause dizziness or drowsiness in some people. If you experience dizziness or drowsiness, consult your doctor before performing these activities.
Losartan cinfa contains lactose.
If your doctor has told you that you have an intolerance to some sugars, consult them before taking this medicine.
Follow exactly the administration instructions of this medicine given by your doctor or pharmacist. If you are unsure, consult your doctor or pharmacist again.
Your doctor will decide the appropriate dose of losartan, depending on your condition and whether you are taking other medicines. It is important to keep taking losartan while your doctor prescribes it to you to maintain constant control of your blood pressure.
Adult patients with high blood pressure
Normally, treatment starts with 50 mg of losartan (one losartan cinfa 50 mg tablet) once a day. The maximum blood pressure-lowering effect is achieved within 3-6 weeks of starting treatment. After that, in some patients, the dose may be increased to 100 mg of losartan (two losartan cinfa 50 mg tablets or one losartan cinfa 100 mg tablet) once a day.
If you think the effect of losartan is too strong or too weak, please inform your doctor or pharmacist.
Use in children and adolescents
Children under 6 years of age
Losartan is not recommended for use in children under 6 years of age, as it has not been shown to work in this age group.
Children aged 6 to 18 years
The recommended starting dose in patients who weigh between 20 and 50 kg is 0.7 mg of losartan per kg of body weight, given once a day (up to 25 mg of losartan). Your doctor may increase the dose if blood pressure is not controlled.
Another pharmaceutical form of this medicine may be more suitable for children; ask your doctor or pharmacist.
Adult patients with high blood pressure and type 2 diabetes
Normally, treatment starts with 50 mg of losartan (one losartan cinfa 50 mg tablet) once a day. After that, the dose may be increased to 100 mg of losartan (two losartan cinfa 50 mg tablets or one losartan cinfa 100 mg tablet) once a day, depending on your blood pressure response.
Losartan can be given with other medicines that lower blood pressure (e.g., diuretics, calcium antagonists, alpha or beta blockers, and centrally acting agents), as well as with insulin and other medicines frequently used to lower blood glucose levels (e.g., sulfonylureas, glitazones, and glucosidase inhibitors).
Adult patients with heart failure
Normally, treatment starts with 12.5 mg of losartan (one losartan cinfa 12.5 mg starting tablet) once a day. Normally, the dose is gradually increased weekly (i.e., 12.5 mg per day during the first week, 25 mg per day during the second week, 50 mg per day during the third week, 100 mg per day during the fourth week, 150 mg per day during the fifth week), up to a maintenance dose determined by your doctor. A maximum dose of 150 mg of losartan (e.g., 3 losartan cinfa 50 mg tablets or 1 losartan cinfa 100 mg tablet and 1 losartan cinfa 50 mg tablet) may be used once a day.
In the treatment of heart failure, losartan is normally combined with a diuretic (a medicine that increases the amount of water that passes through your kidneys) and/or digitalis (a medicine that helps your heart be stronger and more efficient) and/or a beta-blocker.
Posology in special patient groups
Your doctor may recommend a lower dose, especially when starting treatment in certain patients, such as those treated with high-dose diuretics, patients with liver failure, or patients over 75 years of age. Losartan is not recommended for use in patients with severe liver failure (see section "Do not take losartan cinfa").
Administration
The tablets should be swallowed whole with a glass of water. You should try to take your daily dose at approximately the same time each day. It is important that you keep taking losartan until your doctor tells you to stop.
If you take more losartan cinfa than you should
If you accidentally take too many tablets, contact your doctor immediately. The symptoms of overdose are low blood pressure, increased heart rate, and possibly decreased heart rate.
In case of overdose or accidental ingestion, consult your doctor or pharmacist immediately or call the Toxicology Information Service, telephone 91 562 04 20, indicating the medicine and the amount taken.
If you forget to take losartan cinfa
If you accidentally miss a dose, simply take the next dose as normal. Do not take a double dose to make up for missed doses.
If you have any other questions about the use of this medicine, ask your doctor or pharmacist or nurse.
Like all medicines, this medicine can cause adverse effects, although not all people suffer from them.
If you experience the following, stop taking losartan tablets and inform your doctor immediately or go to the emergency department of your nearest hospital:
This is a serious but rare adverse effect that can affect up to 1 in 1,000 patients. You may need urgent medical attention or hospitalization.
Medicine adverse effects are classified as follows:
The following adverse effects have been reported with losartan:
Frequent(may affect up to 1 in 10 patients):
Infrequent (may affect up to 1 in 100 patients)
Rare(may affect up to 1 in 1,000 patients)
Frequency not known(cannot be estimated from available data)
Adverse effects in children are similar to those observed in adults.
Reporting of Adverse Effects
If you experience any type of adverse effect, consult your doctor or pharmacist, even if it is a possible adverse effect that does not appear in this prospectus. You can also report them directly through the Spanish Pharmacovigilance System for Human Use Medicines: https://www.notificaram.es. By reporting adverse effects, you can contribute to providing more information on the safety of this medicine.
Keep this medicine out of sight and reach of children.
Do not use this medicine after the expiration date that appears on the packaging after CAD. The expiration date is the last day of the month indicated.
This medicine does not require special storage conditions.
Store in the original packaging.
Do not open the blister pack until you are ready to take the medicine.
Medicines should not be thrown away through wastewater or household waste. Deposit the packaging and medicines you no longer need at the SIGRE Point in the pharmacy. In case of doubt, ask your pharmacist how to dispose of the packaging and medicines you no longer need. This way, you will help protect the environment.
Composition of Losartan Cinfa
Losartan cinfa 100 mg contains potassium in the following amount: 8.48 mg (0.22 mEq).
Appearance of the Product and Package Contents
Losartan cinfa film-coated tablets are white and cylindrical.
Losartan cinfa is presented in aluminum-PVC/PVDC blister packs, in packs of 28 or 500 (clinical packaging) tablets.
Only some package sizes may be marketed.
Marketing Authorization Holder and Manufacturer:
Laboratorios Cinfa, S.A.
Carretera Olaz-Chipi, 10. Polígono Industrial Areta
31620 Huarte (Navarra) – Spain
Date of the Last Revision of this Prospectus:February 2025
Detailed information about this medicine is available on the website of the Spanish Agency for Medicines and Health Products (AEMPS) http://www.aemps.gob.es
You can access detailed and updated information about this medicine by scanning the QR code included in the prospectus and packaging with your mobile phone (smartphone). You can also access this information at the following internet address: https://cima.aemps.es/cima/dochtml/p/67731/P_67731.html
QR code to: https://cima.aemps.es/cima/dochtml/p/67731/P_67731.html
The average price of LOSARTAN CINFA 100 mg FILM-COATED TABLETS in November, 2025 is around 8.34 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.
The best alternatives with the same active ingredient and therapeutic effect.
Discuss dosage, side effects, interactions, contraindications, and prescription renewal for LOSARTAN CINFA 100 mg FILM-COATED TABLETS – subject to medical assessment and local rules.