


Ask a doctor about a prescription for LOSARTAN HYDROCHLOROTHIAZIDE ALTER GENERICOS 100mg/25mg FILM-COATED TABLETS
Package Leaflet: Information for the Patient
Losartan/Hydrochlorothiazide Alter Generics 100 mg/25 mg Film-Coated Tablets EFG
Read the entire package leaflet carefully before starting to take the medicine.
Contents of the Package Leaflet:
Losartan/Hydrochlorothiazide Alter Generics is a combination of an angiotensin II receptor antagonist (losartan) and a diuretic (hydrochlorothiazide).
Losartan/Hydrochlorothiazide Alter Generics is indicated for the treatment of essential hypertension (high blood pressure).
Warnings and precautions
Consult your doctor or pharmacist before starting to take Losartan/Hydrochlorothiazide Alter Generics
Consult your doctor if you experience abdominal pain, nausea, vomiting, or diarrhea after taking Losartan/Hydrochlorothiazide Alter Generics. Your doctor will decide whether to continue treatment. Do not stop taking Losartan/Hydrochlorothiazide Alter Generics on your own.
Inform your doctor if you are pregnant (or think you may be). It is not recommended to use Losartan/Hydrochlorothiazide Alter Generics at the start of pregnancy, and you should not take it if you are more than 3 months pregnant as it may cause serious harm to your baby when administered from that time on (see section Pregnancy).
It is essential that you inform your doctor before taking Losartan/Hydrochlorothiazide Alter Generics:
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/Hydrochlorothiazide Alter Generics”.
Taking Losartan/Hydrochlorothiazide Alter Generics with other medicines
Tell your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines.
Diuretics like hydrochlorothiazide contained in Losartan/Hydrochlorothiazide Alter Generics may interact with other medicines.
Preparations containing lithium should not be taken with Losartan/Hydrochlorothiazide Alter Generics without your doctor's careful monitoring. Special precautions may be necessary (e.g., blood tests) if you take potassium supplements, salt substitutes containing potassium, or potassium-sparing medicines, diuretics (water pills), certain laxatives, gout treatments, heart rhythm or diabetes medicines (oral or insulin).
It is also important that your doctor knows if you are taking other medicines to lower your blood pressure, steroids, cancer medicines, painkillers, antifungal medicines, or arthritis medicines, cholesterol-lowering resins such as cholestyramine, muscle relaxants, sleeping pills; opioid medicines like morphine, “pressor amines” like adrenaline or other medicines in the same group; (oral diabetes medicines or insulins).
Your doctor may need to adjust your dose and/or take other precautions:
If you are taking an ACE inhibitor or aliskiren (see also the information under the headings “Do not take Losartan/Hydrochlorothiazide Alter Generics” and “Warnings and precautions”).
Please, when taking Losartan/Hydrochlorothiazide Alter Generics, inform your doctor when you are scheduled to have an iodine-containing contrast medium.
Taking Losartan/Hydrochlorothiazide Alter Generics with food and drinks
It is recommended that you do not drink alcohol while taking these tablets: alcohol and Losartan/Hydrochlorothiazide Alter Generics tablets may increase each other's effects.
Excessive salt in your diet may counteract the effect of Losartan/Hydrochlorothiazide Alter Generics tablets.
Losartan/Hydrochlorothiazide Alter Generics can be taken with or without food.
Pregnancy and breastfeeding
Pregnancy
You should inform your doctor if you are pregnant (or think you may be). Your doctor will normally advise you to stop taking Losartan/Hydrochlorothiazide Alter Generics before you become pregnant or as soon as you know you are pregnant and will advise you to take another medicine instead of Losartan/Hydrochlorothiazide Alter Generics. It is not recommended to use Losartan/Hydrochlorothiazide Alter Generics at the start 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 when administered from that time on.
Breastfeeding
Inform your doctor if you are breastfeeding or plan to breastfeed. It is not recommended to use Losartan/Hydrochlorothiazide Alter Generics during breastfeeding, and your doctor will choose another treatment for you if you want to breastfeed.
Consult your doctor or pharmacist before taking any medicine.
Use in children and adolescents
There is no experience with the use of Losartan/Hydrochlorothiazide in children. Therefore, Losartan/Hydrochlorothiazide Alter Generics should not be given to children.
Use in elderly patients
Losartan/Hydrochlorothiazide Alter Generics works as well and is as well tolerated by most elderly patients as by younger patients. Most elderly patients require the same dose as younger patients.
Driving and using machines
When starting treatment with this medicine, you should not perform tasks that require special attention (e.g., driving a car or using hazardous machinery) until you know how your medicine affects you.
Important information about some of the ingredients of Losartan/Hydrochlorothiazide Alter Generics
This medicine contains lactose. If your doctor has told you that you have an intolerance to some sugars, consult your doctor before taking this medicine.
Use in athletes
This medicine contains hydrochlorothiazide, which may produce a positive result in doping tests.
High blood pressure
For most patients with high blood pressure, the usual dose is 1 tablet of Losartan/Hydrochlorothiazide 50 mg/12.5 mg per day to control blood pressure over 24 hours. It can be increased to 2 tablets of losartan/hydrochlorothiazide 50 mg/12.5 mg per day or changed to 1 tablet of losartan/hydrochlorothiazide 100 mg/25 mg (a stronger dose) per day. The maximum daily dose is 2 tablets of 50 mg of losartan/12.5 mg of hydrochlorothiazide per day or 1 tablet of 100 mg of losartan/25 mg of hydrochlorothiazide per day.
If you take more Losartan/Hydrochlorothiazide Alter Generics than you should
In case of overdose, contact your doctor immediately or go directly to the hospital for immediate medical attention.
In case of overdose or accidental ingestion, consult your doctor or pharmacist immediately or call the Toxicology Information Service, phone 91 562 04 20, indicating the medicine and the amount taken.
Overdose may cause a drop in blood pressure, palpitations, slow pulse, changes in blood composition, and dehydration.
If you forget to take Losartan/Hydrochlorothiazide Alter Generics
Try to take Losartan/Hydrochlorothiazide Alter Generics as prescribed. However, if you miss a dose, do not take an extra dose. Simply return to your regular schedule.
Like all medicines, Losartan/Hydrochlorothiazide Alter Generics can cause side effects, although not everybody gets them.
If you experience the following, stop taking Losartan/Hydrochlorothiazide Alter Generics tablets and inform your doctor immediately or go to the emergency department of your nearest hospital:
A severe allergic reaction (skin rash, itching, swelling of the face, lips, mouth, or throat that can cause difficulty swallowing or breathing).
This is a serious but rare side effect, affecting more than 1 patient in 10,000 but less than 1 patient in 1,000. You may need urgent medical attention or hospitalization.
The following side effects have been reported:
Common (affecting less than 1 in 10 but more than 1 in 100):
Uncommon (affecting less than 1 in 100 but more than 1 in 1,000):
Rare (affecting more than 1 in 10,000 but less than 1 in 1,000):
Much rare (affecting more than 1 in 100,000 but less than 1 in 10,000):
Not known (frequency cannot be estimated from the available data):
Reporting of side effects:
If you experience any side effects, consult your doctor, pharmacist, or nurse, even if it is a possible side effect not listed in this leaflet. You can also report them directly through the Spanish Pharmacovigilance System for Human Use Medicines: https://www.notificaram.es. By reporting side effects, you can help provide more information on the safety of this medicine.
Keep out of sight and reach of children.
Do not use Losartan/Hydrochlorothiazide Alter Generics after the expiration date stated on the packaging after CAD. The expiration date is the last day of the indicated month.
Do not store at a temperature above 30°C.
Store Losartan/Hydrochlorothiazide Alter Generics in the original packaging.
Keep the blister pack in the outer packaging. Do not open the blister pack until you are ready to take the tablet.
Medicines should not be disposed of via wastewater or household waste. Deposit the packaging and any unused medicines at the SIGRE collection point in your pharmacy. If in doubt, ask your pharmacist how to dispose of the packaging and any unused medicines. This will help protect the environment.
The active ingredients are losartan potassium and hydrochlorothiazide. Each Losartan/Hydrochlorothiazide Alter Generics 100 mg/25 mg tablet contains, as active ingredients, 100 mg of losartan potassium and 25 mg of hydrochlorothiazide.
The other components (excipients) are: microcrystalline cellulose, lactose monohydrate, pregelatinized corn starch, and magnesium stearate.
Losartan/Hydrochlorothiazide Alter Generics 100 mg/25 mg contains 8.48 mg (0.216 mEq) of potassium.
Losartan/Hydrochlorothiazide Alter Generics 100 mg/25 mg also contains hydroxypropylcellulose, hypromellose, titanium dioxide, and white opadry, as coating excipients.
Appearance of the Product and Package Contents
Losartan/Hydrochlorothiazide Alter Generics 100 mg/25 mg are white, oblong tablets with a score line on one face.
Losartan/Hydrochlorothiazide Alter Generics 100 mg/25 mg are available in packages of 28 tablets, in PVC-aluminum blisters.
Marketing Authorization Holder and Manufacturer
Marketing Authorization Holder:
Laboratorios Alter, S.A.
Mateo Inurria, 30
28036 Madrid
Spain
Manufacturer
Laboratorios Alter, S.A.
C/ Mateo Inurria 30
28036 Madrid
Spain
or
Laboratorios Alter, S.A.
C/ Zeus 6
Polígono Industrial R2
28880 Meco (Madrid)
Spain
Date of the Last Revision of this Leaflet: February 2025.
Detailed and updated information on this medicinal product is available on the website of the Spanish Agency for Medicines and Health Products (AEMPS) http://www.aemps.gob.es/
The average price of LOSARTAN HYDROCHLOROTHIAZIDE ALTER GENERICOS 100mg/25mg FILM-COATED TABLETS in November, 2025 is around 5.84 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 HYDROCHLOROTHIAZIDE ALTER GENERICOS 100mg/25mg FILM-COATED TABLETS – subject to medical assessment and local rules.