


Ask a doctor about a prescription for LIDALTRIN DIU 20 mg/12.5 mg FILM-COATED TABLETS
Package Leaflet: Information for the Patient
Lidaltrin-Diu 20 mg/12.5 mg film-coated tablets
Quinapril / Hydrochlorothiazide
Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.
Contents of the pack
1. What is Lidaltrin-Diu and what is it used for
2. What you need to know before you take Lidaltrin-Diu
3. How to take Lidaltrin-Diu
4. Possible side effects
5. Storage of Lidaltrin-Diu
6. Contents of the pack and further information
Lidaltrin-Diu is a combination of quinapril, which belongs to the family of medicines called angiotensin-converting enzyme inhibitors (ACE inhibitors), and hydrochlorothiazide, which belongs to the family of diuretics. Quinapril works by dilating blood vessels in the body, and hydrochlorothiazide works by eliminating water.
Lidaltrin-Diu is used to treat high blood pressure (hypertension).
Treatment with Lidaltrin-Diu requires periodic monitoring by your doctor.
Do not takeLidaltrin-Diu
? if you are pregnant for more than 3 months (it is also best to avoid Lidaltrin-Diu during the first months of pregnancy - see section Pregnancy).
? if you are allergic (hypersensitive) to quinapril, hydrochlorothiazide, or any of the other ingredients of this medicine (listed in section 6).
? if you have a history of angioedema of the head and neck (swelling of the face, eyes, lips, tongue, or difficulty breathing) or intestinal angioedema.
? if you have severe renal dysfunction (anuria, severe renal failure).
? if you have taken or are currently taking sacubitril/valsartan, a medicine used to treat a type of long-term (chronic) heart failure in adults, as the risk of angioedema (rapid swelling under the skin in an area such as the throat) is high.
? if you are taking any of the following medicines, the risk of suffering from angioedema may increase:
Warnings and precautions
Consult your doctor or pharmacist before starting to take Lidaltrin-Diu.
? if you have liver disease.
? if you suffer from a connective tissue disease (lupus erythematosus), as it may worsen.
? if you are diabetic.
? if you are going to have surgery, inform your doctor that you are taking Lidaltrin-Diu.
? if you are taking other medicines.
? if you are on a strict salt-free diet. Do not use salt substitutes that contain potassium without consulting your doctor. Your doctor may perform periodic tests to check the salt levels in your blood.
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 Lidaltrin-Diu".
? if you have certain diseases (liver cirrhosis, salt deficiency, increased diuresis, or edema) or if you are being treated with corticosteroids or ACTH, as sodium and potassium alterations in the blood may occur.
? inform your doctor if you are pregnant (or think you may be). Lidaltrin-Diu is not recommended during the start of pregnancy and should not be administered if you are pregnant for more than three months, as it can cause serious harm to your baby when administered from this time on (see section Pregnancy).
? if you have kidney disease, undergo dialysis sessions, or have had a kidney transplant. Your doctor may perform various tests periodically to check if your kidneys are working properly.
? if you have a disease that affects blood vessels (vascular collagenosis) or kidney disease (renal insufficiency), your doctor may perform various tests to check the state of your immune system.
Children and adolescents
The safety and efficacy in children and adolescents (under 18 years) have not been established.
Other medicines and Lidaltrin-Diu
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 II receptor antagonist (ARA) or aliskiren (see also the information under the headings "Do not take Lidaltrin-Diu" and "Warnings and precautions").
If you are hospitalized or visit another doctor, dentist, or pharmacist, inform them that you are taking Lidaltrin-Diu, or any other medicine. Lidaltrin-Diu may interact with the following medicines. Do not take these medicines at the same time as Lidaltrin-Diu, unless your doctor has prescribed them:
If you have any doubts about taking other medicines with Lidaltrin-Diu, consult your doctor.
Taking Lidaltrin-Diu with food, drinks, and alcohol
Lidaltrin-Diu can be taken with or without food.
Pregnancy, breastfeeding, and fertility
If you are pregnant or breastfeeding, think you may be pregnant, or plan to become pregnant, consult your doctor or pharmacist before using this medicine.
Your doctor will usually advise you to stop taking Lidaltrin-Diu before you become pregnant or as soon as you know you are pregnant and recommend that you take another medicine instead of Lidaltrin-Diu. Lidaltrin-Diu is not recommended during the start of pregnancy, and it should not be administered if you are pregnant for more than three months, as it can cause serious harm to your baby when administered from this time on.
The use of Lidaltrin-Diu is not recommended during this period. Your doctor may decide to administer a treatment that is more suitable if you want to breastfeed, especially in newborns and premature babies.
Use in athletes
Athletes are informed that this medicine contains a component that may result in a positive doping test.
Driving and using machines
Lidaltrin-Diu may cause a sudden drop in blood pressure, leading to dizziness and in some cases fainting. This can occur during the first days of treatment. Therefore, special attention should be paid to tasks such as driving, using hazardous machinery, etc.
Lidaltrin-Diu contains lactose
This medicine 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 indicated by your doctor or pharmacist. In case of doubt, consult your doctor or pharmacist again.
Your doctor will indicate the dose of this medicine that is most suitable for you.
Do not take more tablets than those specified by your doctor. Depending on the individual response and the patient's conditions, the doctor may modify the dose of Lidaltrin-Diu. Follow your doctor's instructions faithfully regarding the dose and method of use.
Lidaltrin-Diu is administered orally. Your doctor will indicate how many tablets you should take each day.
Swallow the tablets with a sufficient amount of liquid (e.g., a glass of water).
Follow these instructions unless your doctor has given you different instructions. Remember to take your medicine.
Your doctor will indicate the duration of your treatment with Lidaltrin-Diu. Do not stop treatment before, as it may be harmful to your health.
If you feel that the effect of this medicine is too strong or too weak, consult your doctor or pharmacist.
If you take more Lidaltrin-Diu than you should
Consult your doctor or pharmacist immediately.
An overdose of Lidaltrin-Diu can cause a drop in blood pressure. In this case, sit with your head down.
In case of overdose or accidental ingestion, consult the Toxicology Information Service. Phone 915 62 04 20 indicating the medicine and the amount used.
If you forget to take Lidaltrin-Diu
Do not take a double dose to make up for forgotten doses.
If you stop taking Lidaltrin-Diu
If you have any other doubts about the use of this medicine, ask your doctor or pharmacist.
Like all medicines, Lidaltrin-Diu can cause side effects, although not everybody gets them. Adverse reactions are usually transient and mild.
The following side effects have been observed:
These possible side effects may disappear during treatment. However, if they continue or are bothersome, inform your doctor, nurse, or pharmacist.
Other side effects may also occur in some patients. If you notice any other adverse reaction not described above, consult your doctor or pharmacist.
Reporting of side effects
If you experience any type of side effect, consult your doctor or pharmacist, even if it is a possible side effect that does not appear in this leaflet. You can also report them directly through 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 store above 30°C. Store protected from light and moisture.
Do not use Lidaltrin-Diu after the expiry date stated on the packaging after "EXP". The expiry date is the last day of the month indicated.
Medicines should not be disposed of via wastewater or household waste. Place the packaging and any unused medicines in the SIGRE collection point at the pharmacy. If in doubt, ask your pharmacist how to dispose of the packaging and any unused medicines. This will help protect the environment.
Composition of Lidaltrin-Diu
The active ingredients are quinapril (hydrochloride) and hydrochlorothiazide. Each tablet contains 20 mg of quinapril (as hydrochloride) and 12.5 mg of hydrochlorothiazide.
The other ingredients (excipients) are lactose monohydrate, crospovidone, heavy magnesium carbonate (E504), magnesium stearate (E572), povidone (E1201), hypromellose (E464), hydroxypropyl cellulose (E463), macrogol 400, red iron oxide (E172), yellow iron oxide (E172), titanium dioxide (E171), and candelilla wax (E902).
Appearance of the product and contents of the pack
The film-coated tablets of Lidaltrin-Diu are pink, triangular, biconvex, and scored. Each pack contains 28 tablets.
Marketing authorization holder and manufacturer
LACER, S.A. - Boters, 5
08290 Cerdanyola del Vallès
Barcelona - Spain
Date of last revision of this leaflet:March 2022
Detailed and updated information on this medicine is available on the website of the Spanish Agency for Medicines and Healthcare Products (AEMPS) https://www.aemps.gob.es/
The average price of LIDALTRIN DIU 20 mg/12.5 mg FILM-COATED TABLETS in October, 2025 is around 3.04 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.
Discuss dosage, side effects, interactions, contraindications, and prescription renewal for LIDALTRIN DIU 20 mg/12.5 mg FILM-COATED TABLETS – subject to medical assessment and local rules.