Background pattern
Rennie 680 mg/80 mg comprimidos masticables con sacarosa

Rennie 680 mg/80 mg comprimidos masticables con sacarosa

About the medicine

How to use Rennie 680 mg/80 mg comprimidos masticables con sacarosa

Introduction

INFORMATION FOR THE USER

Rennie 680 mg/80 mg Chewable Tablets with Saccharose

Calcium Carbonate/Magnesium Carbonate

Read this leaflet carefully before you start to take this medicine because it contains important information for you.

Follow exactly the administration instructions for the medicine contained in this leaflet or those indicated by your doctor, pharmacist or nurse.

  • Keep this leaflet, as you may need to read it again.
  • If you need advice or more information, consult your pharmacist.
  • If you experience any side effects, consult your doctor, pharmacist or nurse, even if they are not listed in this leaflet. See section 4.
  • You should consult a doctor if you worsen or do not improve after 7 days.

Contents of the pack and additional information

1. What are Rennie chewable tablets with saccharose and for what they are used

Rennie belongs to the group of medicines called combinations and complexes of aluminum, calcium and magnesium.

It contains as active principles calcium carbonate and magnesium carbonate, which act by neutralizing excess acid in the stomach.

Rennie is indicated for the relief and symptomatic treatment of stomach acid and heartburn in adults and adolescents over 12 years old.

Consult a doctor if it worsens or does not improve after 7 days.

2. What you need to know before starting to take Rennie

Do not take Rennie:

  • if you are allergic to any of the active ingredients or to any of the other components of this medication (listed in section 6).
  • if you have severe kidney failure, hypercalcemia (elevated levels of calcium in the blood), and hypophosphatemia (low levels of phosphate in the blood).
  • if you have a history of calcium kidney stones.
  • if you have hypercalciuria (elevated levels of calcium in the urine)

Warnings and Precautions

Consult your doctor, pharmacist, or nurse before starting to take Rennie.

  • Avoid prolonged use.
  • Do not exceed the recommended dose (see section 3).
  • Consult your doctor or pharmacist before taking Rennie if you have kidney problems, as the administration of this medication in subjects with altered renal function may cause hypercalcemia (elevated levels of calcium in the blood) and metabolic alkalosis (milk-alkali syndrome).
  • If symptoms worsen or persist for more than 7 days, you should consult your doctor.
  • This medication should not be taken with large quantities of milk or dairy products.

Children and adolescents

Do not administer to children under 12 years old, without consulting your doctor.

Taking Rennie with other medications

Inform your doctor or pharmacist if you are taking, have taken recently, or may need to take any other medication.

Before taking Rennie, inform your doctor or pharmacist if you are taking any of the following medications, as they may affect the efficacy of these medications:

  • calcitonin,
  • sodium phosphate and other phosphates,
  • oral contraceptives,
  • thiazide diuretics (medications used to increase urine excretion),
  • fluorides (medications for the prevention of tooth decay),
  • amphetamine or quinidine,
  • salicylates (medications with anti-inflammatory, analgesic, and antipyretic properties),
  • vitamin D,
  • heart medications such as glycosides (digoxin, bisphosphonates, or dolutegravir),
  • levothyroxine (a thyroid hormone),
  • eltrombopag (a medication used to increase platelet count),
  • other medications prescribed by a doctor (e.g., etidronate, products containing iron, antiemetics, antimuscarinics, phenothiazines, benzodiazepines, ketoconazole, diflunisal, H2 antihistamines, sucralfate, oral anticoagulants derived from coumarin or indandione, or antibiotics such as tetracyclines or quinolones), as they may interfere with its absorption.

It is recommended to space out the administration of antacids with other medications by 1 or 2 hours.

Interference with analytical tests

If you are to undergo any analytical test (including blood, urine, skin tests using allergens, etc.), inform your doctor that you are taking this medication, as it may alter the results.

Taking Rennie with food and drinks

Like all calcium-containing antacids, do not take with large quantities of milk or dairy products, as it may cause an increase in calcium or magnesium levels in the blood and milk-alkali syndrome.

Pregnancy, lactation, and fertility

If you are pregnant or breastfeeding, or think you may be pregnant or intend to become pregnant, consult your doctor or pharmacist before using this medication.

Rennie chewable tablets with saccharose may be used during pregnancy and lactation if taken according to these recommendations and not taken for more than 2 weeks.

Pregnant or breastfeeding women cannot take more than the indicated amount of medication in section 3 (How to take Rennie) and cannot take large quantities of dairy products and milk (1 liter of milk contains 1.2 grams of elemental calcium) at the same time, as this medication provides a significant amount of calcium in addition to what they take daily.

There is no evidence to indicate that Rennie has adverse effects on human fertility.

Driving and operating machinery

No effects on the ability to drive and operate machinery have been described.

Rennie chewable tablets with saccharose contain saccharose and sodium

This medication contains saccharose. If your doctor has indicated that you have an intolerance to certain sugars, consult with them before taking this medication.

This medication contains less than 1 mmol of sodium (23 mg) per tablet; it is essentially "sodium-free".

3. How to Take Rennie

Follow exactly the medication administration instructions contained in this leaflet or those indicated by your doctor, pharmacist, or nurse.If you have any doubts, ask your doctor, pharmacist, or nurse.

Dosage

The recommended dose is:

Adults and adolescents over 12 years:1 or 2 tablets, preferably taken 1 hour after meals and before bedtime. Additionally, if necessary, an extra dose may be administered. Do not take more than 6 tablets in 24 hours. Do not take for more than 2 weeks.

Administration Form

Oral route.

Remove the tablets from the packaging. Rennie tablets must be chewed or slowly dissolved in the mouth. Do not swallow them whole.

Use in children and adolescents:

Do not administer to children under 12 years.

If symptoms persist after 7 days of treatment, consult your doctor to rule out more serious diseases.

If you take more Rennie than you should

The symptoms of overdose include nausea, vomiting, constipation, fatigue, difficulty and pain urinating, and kidney stones. In these cases, discontinue treatment, drink plenty of water, and consult your doctor or pharmacist.

In case of overdose or accidental ingestion, consult your doctor or pharmacist or contact the Toxicological Information Service, phone: 91 562 04 20, indicating the medication and the amount ingested.

It is recommended to bring the packaging and the medication leaflet to the healthcare professional.

If you forgot to take Rennie

If you forgot to take a dose, wait for the next one. Do not take a double dose to compensate for the missed doses.

If you have any doubts about the use of this medication, ask your doctor, pharmacist, or nurse.

4. Possible Adverse Effects

Like all medications, Rennie can produce adverse effects, although not everyone will experience them.

When used normally at the recommended doses, it is not expected that adverse effects will occur.

The adverse reactions listed below are based on spontaneous reports and the frequency has not been established with precision:

Immune System Disorders:

Very rarely, allergic reactions have been reported, such as skin rashes, itching, difficulty breathing, swelling of the face, mouth, or throat, and anaphylaxis. If you experience these reactions, stop taking this medication and consult your doctor immediately.

Metabolism and Nutrition Disorders:

Prolonged use of high doses may cause hypermagnesemia (elevated magnesium levels in the blood) or hypercalcemia (elevated calcium levels in the blood) and milk-alkali syndrome, especially in patients with renal function disorders.

Gastrointestinal Disorders:

Prolonged use of high doses may lead to the occurrence of nausea, vomiting, stomach discomfort, constipation, and diarrhea, especially in patients with renal function disorders.

In some cases, constipation has been reported. Flatulence (gas), belching, and stomach bloating may also occur.

Musculoskeletal and Connective Tissue Disorders:

Abnormal muscle fatigue, especially in patients with renal function disorders.

The specific symptoms of milk-alkali syndrome may include taste dysfunction, headache, kidney problems, fatigue, and skin nodules.

If you observe any of these or any other adverse reactions not described above, consult your doctor or pharmacist.

Reporting Adverse Effects:

If you experience any type of adverse effect, consult your doctor, pharmacist, or nurse, even if it is a possible adverse effect not listed in this prospectus. You can also report them directly through the Spanish System for Pharmacovigilance of Medicinal Products for Human Use: http://www.notificaram.es. By reporting adverse effects, you can contribute to providing more information on the safety of this medication.

5. Rennie Storage

Keep this medication out of the sight and reach of children.

Do not use this medication after the expiration date that appears on the packaging, after the abbreviation CAD. The expiration date is the last day of the month indicated.

No special storage conditions are required.

Medications should not be disposed of through drains or in the trash. Dispose of the packaging and medications you no longer need at the SIGRE collection point at the pharmacy. If in doubt, ask your pharmacist how to dispose of the packaging and medications you no longer need. By doing so, you will help protect the environment.

6. Contents of the packaging and additional information

Composition of Rennie chewable tablets with saccharose:

  • The active principles are: calcium carbonate, 680 mg and magnesium carbonate, 80 mg. The other components (excipients) are: Saccharose, carboxymethylamidone sodium (Type A) (derived from potato starch), pregelatinized cornstarch, magnesium stearate, talc, liquid paraffin, peppermint aroma, lemon aroma.

Appearance of the product and contents of the packaging

Rennie are white-cream colored square tablets with a peppermint odor.

Rennie is presented in packaging containing 48 or 84 chewable tablets each. It is presented in aluminum/PVC blister packaging.

Only some packaging sizes may be commercially available.

Holder of the marketing authorization and responsible for manufacturing

Holder of the Marketing Authorization

BAYER HISPANIA, S.L.

Av. Baix Llobregat, 3-5

08970 Sant Joan Despí (Barcelona)

Spain

Responsible for manufacturing

DELPHARM GAILLARD

33 Rue de L’Industrie

74240 Gaillard (France)

Date of the last review of this leaflet:January 2023

The detailed and updated information on this medication is available on the website of the Spanish Agency for Medicines and Medical Devices (AEMPS)http://www.aemps.gob.es/

Talk to a doctor online

Have questions about this medication or your symptoms? Connect with a licensed doctor for guidance and personalized care.

5.07 reviews
Doctor

Anna Moret

Dermatology18 years of experience

Dr. Anna Moret is a board-certified dermatologist and dermatovenereologist. She specialises in adult and pediatric dermatology, venereology, aesthetic skin care, and general medicine. Her consultations are evidence-based and tailored to each patient’s dermatological needs.

Dr. Moret provides expert evaluation and treatment for: • Skin conditions such as eczema, acne, rosacea, dermatitis, and psoriasis • Hair and scalp issues including hair loss, dandruff, and seborrheic dermatitis • Pediatric skin problems — from newborns to adolescents • Sexually transmitted infections (STIs) and dermatovenereology • Aesthetic concerns: skin ageing, non-invasive cosmetic treatments • Skin allergies and hypersensitivity reactions • Mole checks, lesion evaluation, and skin cancer screening • Skincare advice and personalised cosmeceutical routines

Combining dermatology with general medical knowledge, Dr. Moret offers comprehensive care that addresses both skin health and underlying conditions. She also holds certification from the Canadian Board of Aesthetic Medicine, ensuring an internationally aligned approach to aesthetic dermatology.

CameraBook a video appointment
5.043 reviews
Doctor

Alina Tsurkan

Family medicine12 years of experience

Dr. Alina Tsurkan is a licensed family medicine physician based in Portugal, offering online consultations for adults and children. She provides professional primary care, with a focus on prevention, accurate diagnosis, and long-term management of acute and chronic conditions.

Dr. Tsurkan supports patients with a wide range of health issues, including: • Respiratory infections: cold, flu, bronchitis, pneumonia, and lingering coughs • ENT conditions: sinusitis, tonsillitis, otitis (ear infections), sore throat, allergic rhinitis • Eye conditions: allergic or infectious conjunctivitis, red eyes, irritation • Digestive issues: acid reflux (GERD), gastritis, irritable bowel syndrome (IBS), constipation, bloating, nausea • Urinary and reproductive health: urinary tract infections (UTIs), cystitis, prevention of recurrent infections • Chronic diseases: hypertension, diabetes, thyroid disorders, elevated cholesterol, weight management • Neurological complaints: headaches, migraines, sleep disturbances, fatigue, general weakness • Women’s health: menstrual irregularities, perimenopausal symptoms, preventive screening • Children’s health: fever, infections, digestive issues, follow-ups, vaccination guidance

She also provides: • IMT medical certificates for driving licence exchange in Portugal • Personalised preventive care and wellness consultations • Interpretation of test results and medical reports • Follow-up care and medication review • Support in managing multiple coexisting conditions • Remote prescription management and medical documentation

Dr. Tsurkan’s approach is evidence-based and holistic. She works closely with each patient to develop an individualised care plan that addresses both symptoms and root causes. Her goal is to empower patients to take control of their health and maintain well-being through lifestyle adjustments, routine check-ups, and early intervention.

CameraBook a video appointment
5.078 reviews
Doctor

Andrei Popov

General medicine6 years of experience

Dr. Andrei Popov is a licensed pain management specialist and general practitioner based in Spain. He provides expert online care for adults dealing with both chronic and acute pain, as well as a wide range of everyday health concerns.

He specialises in diagnosing and treating pain conditions that affect quality of life, including: • Chronic pain lasting more than 3 months • Migraines and recurring headaches • Neck, back, lower back, and joint pain • Post-traumatic pain following injury or surgery • Nerve-related pain, fibromyalgia, and neuralgia In addition to pain management, Dr. Popov helps patients with: • Respiratory infections (colds, bronchitis, pneumonia) • High blood pressure and metabolic conditions such as diabetes • Preventive care and routine health check-ups

Online consultations last up to 30 minutes and include a detailed symptom review, personalised treatment planning, and medical follow-up when needed.

Dr. Popov’s approach is rooted in evidence-based medicine, combined with individualised care tailored to each patient’s history, lifestyle, and clinical needs.

CameraBook a video appointment
5.017 reviews
Doctor

Yevgen Yakovenko

General surgery11 years of experience

Dr. Yevgen Yakovenko is a licensed surgeon and general practitioner in Spain and Germany. He specialises in general, paediatric, and oncological surgery, internal medicine, and pain management. He offers online consultations for adults and children, combining surgical precision with therapeutic support. Dr Yakovenko works with patients across different countries and provides care in Ukrainian, Russian, English, and Spanish.

Areas of medical expertise: • Acute and chronic pain: headaches, muscle and joint pain, back pain, abdominal pain, postoperative pain. Identifying the cause, selecting treatment, and creating a care plan. • Internal medicine: heart, lungs, gastrointestinal tract, urinary system. Management of chronic conditions, symptom control, second opinions. • Pre- and postoperative care: risk assessment, decision-making support, follow-up after surgery, rehabilitation strategies. • General and paediatric surgery: hernias, appendicitis, congenital conditions, both planned and urgent surgeries. • Injuries and trauma: bruises, fractures, sprains, soft tissue damage, wound care, dressing, referral when in-person care is required. • Oncological surgery: diagnosis review, treatment planning, and long-term follow-up. • Imaging interpretation: analysis of ultrasound, CT, MRI, and X-ray results, surgical planning based on imaging data. • Second opinions and medical navigation: clarifying diagnoses, reviewing current treatment plans, helping patients choose the best course of action.

Experience and qualifications: • 12+ years of clinical experience in university hospitals in Germany and Spain • International education: Ukraine – Germany – Spain • Member of the German Society of Surgeons (BDC) • Certified in radiological diagnostics and robotic surgery • Active participant in international medical conferences and research

Dr Yakovenko explains complex topics in a clear, accessible way. He works collaboratively with patients to analyse health issues and make evidence-based decisions. His approach is grounded in clinical excellence, scientific accuracy, and respect for each individual.

If you are unsure about a diagnosis, preparing for surgery, or want to discuss your test results – Dr Yakovenko will help you evaluate your options and move forward with confidence.

CameraBook a video appointment
See all doctors

Stay informed and save on care

Get health tips, platform updates, and exclusive promos for subscribers.

Follow us on social media
FacebookInstagramTikTok