


Ask a doctor about a prescription for LOSARTAN/HYDROCHLOROTHIAZIDE TECNIGEN 100/25 mg FILM-COATED TABLETS
Package Leaflet: Information for the User
Losartan/Hydrochlorothiazide TecniGen 100 mg/25 mg film-coated tablets EFG
Losartan/Hydrochlorothiazide
Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.:
Contents of the pack:
5 Storage of Losartan/Hydrochlorothiazide TecniGen
Losartan/Hydrochlorothiazide TecniGen is a combination of an angiotensin II receptor antagonist (losartan) and a diuretic (hydrochlorothiazide).
Losartan/Hydrochlorothiazide TecniGen is indicated for the treatment of essential hypertension (high blood pressure).
Do not take Losartan/Hydrochlorothiazide TecniGen
Warnings and precautions
Consult your doctor, pharmacist, or nurse before starting Losartan/Hydrochlorothiazide TecniGen
If you experience a decrease in vision or eye pain, they could be symptoms of fluid accumulation in the vascular layer of the eye (choroidal effusion) or an increase in eye pressure and can occur within a few hours to a week after taking losartan/hydrochlorothiazide.
Inform your doctor if you are pregnant (or if you think you may be). Losartan/Hydrochlorothiazide TecniGen is not recommended during the first trimester of pregnancy, and it must not be taken if you are pregnant for more than 3 months as it may cause serious harm to your baby when administered from that time on (see section on Pregnancy).
It is essential that you inform your doctor before taking Losartan/Hydrochlorothiazide TecniGen:
Consult your doctor if you experience abdominal pain, nausea, vomiting, or diarrhea after taking losartan/hydrochlorothiazide. Your doctor will decide whether to continue treatment. Do not stop taking losartan/hydrochlorothiazide on your own.
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 TecniGen”
Taking Losartan/Hydrochlorothiazide TecniGen with other medicines
Tell your doctor or pharmacist if you are taking or have recently taken any other medicines, including those obtained without a prescription.
Diuretics like hydrochlorothiazide contained in Losartan/Hydrochlorothiazide TecniGen may interact with other medicines. Preparations containing lithium should not be taken with Losartan/Hydrochlorothiazide TecniGen without your doctor's careful monitoring. Special precautions may be necessary (e.g., blood tests) if you take potassium supplements, salt substitutes that contain potassium, or potassium-sparing medicines, diuretics (water pills), certain laxatives, medicines for treating gout, medicines for controlling heart rhythm or diabetes (oral or insulin), or other blood pressure-lowering medicines.
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 medicines such as colestyramine, 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 angiotensin-converting enzyme inhibitor (ACE inhibitor) or aliskiren (see also the information under the headings “Do not take Losartan/Hydrochlorothiazide TecniGen” and “Warnings and precautions”)
Please, when taking Losartan/Hydrochlorothiazide TecniGen, inform your doctor when you are scheduled to have a contrast medium with iodine.
Taking Losartan/Hydrochlorothiazide TecniGen with food, drinks, and alcohol
It is recommended that you do not drink alcohol while taking these tablets: alcohol and Losartan/Hydrochlorothiazide TecniGen tablets may increase each other's effects.
Excessive salt in the diet may counteract the effect of Losartan/Hydrochlorothiazide TecniGen tablets.
Losartan/Hydrochlorothiazide TecniGen can be taken with or without food.
Pregnancy, fertility, and breastfeeding
Pregnancy
You should inform your doctor if you are pregnant (or if you think you may be). Your doctor will generally advise you to stop taking Losartan/Hydrochlorothiazide TecniGen before you become pregnant or as soon as you know you are pregnant and will recommend that you take another medicine instead of Losartan/Hydrochlorothiazide TecniGen. Losartan/Hydrochlorothiazide TecniGen is not recommended during the first trimester of pregnancy, and it must not be taken if you are pregnant for more than 3 months 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 start breastfeeding. Losartan/Hydrochlorothiazide TecniGen is not recommended during breastfeeding, and your doctor will choose another treatment for you if you want to breastfeed.
Consult your doctor or pharmacist before using any medicine.
Use in pediatric population and adolescents
There is no experience with the use of Losartan/Hydrochlorothiazide in children. Therefore, Losartan/Hydrochlorothiazide TecniGen should not be administered to children.
Use in elderly patients
Losartan/Hydrochlorothiazide TecniGen works as effectively and is as well tolerated by most elderly patients as it is 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.
Losartan/Hydrochlorothiazide TecniGen contains lactose
If your doctor has told you that you have an intolerance to some sugars, consult them before taking this medicine.
Use in athletes:
This medicine contains hydrochlorothiazide, which may produce a positive result in doping tests.
Follow exactly the administration instructions of this medicine given by your doctor or pharmacist. In case of doubt, consult your doctor or pharmacist again.
Your doctor will decide the appropriate dose of Losartan/Hydrochlorothiazide TecniGen, depending on your condition and whether you are taking other medicines. It is essential to keep taking Losartan/Hydrochlorothiazide TecniGen as long as your doctor prescribes it to maintain constant control of your blood pressure.
High blood pressure
For most patients with high blood pressure, the usual dose is one losartan/hydrochlorothiazide 50 mg/12.5 mg tablet per day to control blood pressure for 24 hours. It can be increased to two losartan/hydrochlorothiazide 50 mg/12.5 mg film-coated tablets per day or changed to one losartan/hydrochlorothiazide 100 mg/25 mg film-coated tablet (a stronger dose) per day. The maximum daily dose is two losartan 50 mg/hydrochlorothiazide 12.5 mg tablets per day or one losartan 100 mg/hydrochlorothiazide 25 mg tablet per day.
If you take more Losartan/Hydrochlorothiazide TecniGen 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 ingested.
Overdose may cause a drop in blood pressure, palpitations, slow pulse, changes in blood composition, and dehydration.
If you forget to take Losartan/Hydrochlorothiazide TecniGen
Try to take Losartan/Hydrochlorothiazide TecniGen as prescribed every day. However, if you forget a dose, do not take an extra dose. Simply return to your regular schedule.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
If you experience the following, stop taking Losartan/Hydrochlorothiazide TecniGen 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 that affects 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 (may affect up to 1 in 10 people):
Uncommon (may affect up to 1 in 100 people):
Rare (may affect up to 1 in 1,000 people):
Very rare (may affect up to 1 in 10,000 people):
Not known (frequency cannot be estimated from the available data):
Reporting of side effects:
If you experience any side effects, talk to your doctor, pharmacist, or nurse, even if it is possible side effects not listed in this leaflet. You can also report side effects 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 this medicine out of the 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.
Do not store at a temperature above 30°C.
Store Losartan/Hydrochlorothiazide TecniGen in its 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 pharmacy's SIGRE point. If in doubt, ask your pharmacist how to dispose of the packaging and any unused medicines. This will help protect the environment.
Composition of Losartan/Hydrochlorothiazide TecniGen
The active ingredients are losartan potassium and hydrochlorothiazide.
Each Losartan/Hydrochlorothiazide TecniGen 100 mg/25 mg film-coated tablet contains, as active ingredients, 100 mg of losartan (potassium) and 25 mg of hydrochlorothiazide.
Losartan/Hydrochlorothiazide TecniGen 100 mg/25 mg film-coated tablets contain the following inactive ingredients: lactose monohydrate (lactose), microcrystalline cellulose, hydroxypropyl cellulose, pregelatinized corn starch (corn starch), and magnesium stearate.
Losartan/Hydrochlorothiazide TecniGen 100 mg/25 mg film-coated tablets contain 8.48 mg (0.216 mEq) of potassium.
Losartan/Hydrochlorothiazide TecniGen 100 mg/25 mg film-coated tablets also contain:
Opadry Y-1-7000 White:hypromellose, titanium dioxide (E-171), and polyethylene glycol 400.
Product Appearance and Packaging Contents
Losartan/Hydrochlorothiazide TecniGen 100 mg/25 mg film-coated tablets are supplied as white, oblong, and scored film-coated tablets.
Losartan/Hydrochlorothiazide TecniGen 100 mg/25 mg film-coated tablets are supplied in packages of 28 tablets.
Marketing Authorization Holder and Manufacturer
Marketing Authorization Holder
Tecnimede España Industria Farmacéutica, S.A.
Avda. de Bruselas, 13, 3º D. Edificio América. Polígono Arroyo de la Vega,
28108 Alcobendas (Madrid) SPAIN
Manufacturer:
Atlantic Pharma – Produções Farmacêuticas SA
Rua da Tapada Grande nº 2, Abrunheira. 2710 – 089 Sintra (Portugal).
Date of Last Revision of this Leaflet:February 2025
Detailed and updated information on this medicine 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 TECNIGEN 100/25 mg 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.
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