


Ask a doctor about a prescription for HYDROCHLOROTHIAZIDE STADA 50 mg TABLETS
Package Leaflet: Information for the User
Hydrochlorothiazide Stada 50 mg Tablets EFG
Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.
Contents of the pack:
Hydrochlorothiazide Stada is a medicine that contains hydrochlorothiazide as the active substance. Hydrochlorothiazide is a diuretic (a medicine that increases urine production) that belongs to the group of thiazides. Hydrochlorothiazide increases the amount of urine (diuretic) helping to reduce blood pressure (antihypertensive).
This medicine is indicated for the treatment of the following diseases:
Do not take Hydrochlorothiazide Stada
Warnings and precautions
Consult your doctor or pharmacist before taking Hydrochlorothiazide Stada.
Be particularly careful with hydrochlorothiazide if you have any of the following diseases:
Taking Hydrochlorothiazide Stada with other medicines
Tell your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines.
The following medicines may interact with hydrochlorothiazide when used at the same time:
Hydrochlorothiazide may interfere with the results of some tests, such as: bentiramida test (gastric test), parathyroid function test, decrease iodine-bound protein levels, modify blood and urine test results.
Taking Hydrochlorothiazide Stada with food, drinks, and alcohol
In combination with alcohol consumption, this medicine may cause dizziness, drowsiness, or headache.
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.
You should inform your doctor if you are pregnant or suspect you are pregnant. Your doctor will usually advise you to take a different medicine instead of Hydrochlorothiazide Stada, as hydrochlorothiazide is not recommended during pregnancy. This is because hydrochlorothiazide crosses the placenta and its use after the first trimester of pregnancy may cause potentially harmful effects on the fetus and newborn.
Hydrochlorothiazide is excreted in human milk, so its use is not recommended in breastfeeding mothers.
Driving and using machines
It is unlikely that hydrochlorothiazide will affect your ability to drive or use machines.
Use in athletes
Athletes are informed that this medicine contains a component that may result in a positive doping test.
Hydrochlorothiazide Stada contains lactose
This medicine contains lactose. If your doctor has told you that you have an intolerance to some sugars, consult with them before taking this medicine.
Follow exactly the administration instructions of this medicine indicated by your doctor or pharmacist. If in doubt, consult your doctor or pharmacist.
The recommended doses are:
The tablets should be taken orally.
The tablets can be taken whole, broken, or crushed, with the help of a little water or another non-alcoholic drink. The tablet can be divided into equal doses.
Use in children
The usual doses in children are:
If you take more Hydrochlorothiazide Stada than you should
If you have taken more Hydrochlorothiazide Stada than you should, severe hypotension (drastic reduction in blood pressure), unconsciousness, nausea, drowsiness, thirst, muscle pain, difficulty walking, cardiac arrhythmias, reduced heart rate, and kidney failure may occur.
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. It is recommended to take the packaging and the leaflet of the medicine to the healthcare professional.
If you forget to take Hydrochlorothiazide Stada
Do not take a double dose to make up for forgotten doses.
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
Very common side effects (may affect more than 1 in 10 people):
Common side effects (may affect up to 1 in 10 people):
Rare side effects (may affect up to 1 in 1,000 people)
Very rare side effects (may affect up to 1 in 10,000 people)
Frequency not known (frequency cannot be estimated from the available data)
Post-marketing experience
The following adverse reactions have been identified during post-marketing experience. Since these reactions have been reported voluntarily from a population of uncertain size, it is not possible to estimate their frequency reliably.
Unknown frequency: acute kidney failure, renal disorder, aplastic anemia, erythema multiforme, pyrexia, muscle spasms, asthenia, angle-closure glaucoma.
Reporting of side effects
If you experience any side effects, talk to your doctor or pharmacist. 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 out of the sight and reach of children.
No special storage conditions are required.
Do not use this medicine after the expiry date which is 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. Return any unused medicine to a pharmacy for disposal. Ask your pharmacist how to dispose of medicines no longer required. This will help protect the environment.
Composition of Hydrochlorothiazide Stada
Appearance and packaging
Hydrochlorothiazide Stada tablets are white, round, and scored on both sides. The tablet can be divided into equal doses.
They are available in blister packs containing 20 tablets.
Marketing authorization holder and manufacturer
Marketing authorization holder
Laboratorio STADA, S.L.
Frederic Mompou, 5
08960 Sant Just Desvern (Barcelona) Spain
Manufacturer:
Kern Pharma, S.L.
Polígono Ind. Colón II Venus, 72
08228 Terrassa (Barcelona) Spain
Date of last revision of this leaflet:December 2021
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 HYDROCHLOROTHIAZIDE STADA 50 mg TABLETS in October, 2025 is around 2.34 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 HYDROCHLOROTHIAZIDE STADA 50 mg TABLETS – subject to medical assessment and local rules.