


Ask a doctor about a prescription for LOSARTAN/HYDROCHLOROTHIAZIDE TECNIGEN 100 mg/12.5 mg FILM-COATED TABLETS
Package Leaflet: Information for the User
Losartan/Hydrochlorothiazide TecniGen 100 mg/12.5 mg film-coated tablets
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 and other information
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 to take 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.
Tell your doctor if you are pregnant (or if you think you might be). Losartan/Hydrochlorothiazide TecniGen is not recommended during the first trimester of pregnancy, and 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 (see section on Pregnancy).
It is important 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 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 (e.g. blood tests) may be necessary if you take potassium supplements, salt substitutes that contain potassium, or potassium-sparing medicines, diuretics (water pills), some 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 resins such as colestyramine; muscle relaxants; sleeping pills; opioid medicines like morphine; "pressor amines" like adrenaline or other medicines in the same class; (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 an iodine-based contrast medium.
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 the effects of each other.
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 might be). Your doctor will normally advise you to stop taking Losartan/Hydrochlorothiazide TecniGen 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 TecniGen. Losartan/Hydrochlorothiazide TecniGen is not recommended during the first trimester of pregnancy, and 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:
Tell your doctor if you are breastfeeding or about 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 given to children.
Use in elderly patients
Losartan/Hydrochlorothiazide TecniGen works as well 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 you start 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 with 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 important 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 1 tablet of losartan/hydrochlorothiazide 50 mg/12.5 mg per day to control blood pressure for 24 hours. It can be increased to 2 film-coated tablets of losartan/hydrochlorothiazide 50 mg/12.5 mg per day or changed to 1 film-coated 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 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. However, if you miss 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. This includes any 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 expiry date which is stated on the carton after EXP. The expiry date is the last day of the month stated.
Do not store above 30°C.
Store Losartan/Hydrochlorothiazide TecniGen in the original package.
Keep the blister in the outer packaging. Do not open the blister until you are ready to take the tablet.
Medicines should not be disposed of via wastewater or household waste. Return the packaging and any unused medicine to a pharmacy for proper disposal. If you have any further questions, ask your pharmacist. 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/12.5 mg film-coated tablet contains, as active ingredients, 100 mg of losartan (potassium) and 12.5 mg of hydrochlorothiazide.
Losartan/Hydrochlorothiazide TecniGen 100 mg/12.5 mg film-coated tablets contain the following inactive ingredients: Lactose monohydrate (lactose), Microcrystalline cellulose, Hydroxypropyl cellulose, Pregelatinized maize starch (corn starch), Magnesium stearate.
Losartan/Hydrochlorothiazide TecniGen 100 mg/12.5 mg film-coated tablets contain 8.48 mg (0.216 mEq) of potassium.
Losartan/Hydrochlorothiazide TecniGen 100 mg/12.5 mg film-coated tablets also contain: Opadry Y-1-7000 White: Hypromellose, Titanium dioxide (E-171), Polyethylene glycol 400.
Appearance of the product and packaging content
Losartan/Hydrochlorothiazide TecniGen 100 mg/12.5 mg film-coated tablets are supplied as white, oblong film-coated tablets.
Losartan/Hydrochlorothiazide TecniGen 100 mg/12.5 mg film-coated tablets are supplied in packs 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 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 TECNIGEN 100 mg/12.5 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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