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NATECAL D FLAS 1500 mg/400 IU orally disintegrating tablets

NATECAL D FLAS 1500 mg/400 IU orally disintegrating tablets

Ask a doctor about a prescription for NATECAL D FLAS 1500 mg/400 IU orally disintegrating tablets

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Doctor

Taisiia Proida

Psychiatry6 years of experience

Dr. Taisiia Proida is a psychiatrist and cognitive behavioural therapist (CBT), and a member of the European Psychiatric Association. She offers online consultations for adults aged 18 and over, combining evidence-based medicine with an individualised approach to mental health care.

She specialises in consultations and ongoing support for a wide range of mental health concerns, including:

  • Mood disorders: depression, bipolar disorder, postpartum depression.
  • Anxiety disorders: generalised anxiety, OCD, panic attacks, phobias.
  • Post-traumatic stress disorder (PTSD) and complex PTSD.
  • Attention deficit hyperactivity disorder (ADHD) and autism spectrum disorder (ASD).
  • Personality disorders and emotional instability.
  • Cyclothymia and mood fluctuations.
  • Schizophrenia spectrum and related conditions.

Dr. Proida combines clinical expertise with an empathetic approach, offering structured support based on evidence-based practices. Her work integrates CBT techniques with medical management, with a focus on anxiety and depressive disorders.

She works with clients from different countries and cultural backgrounds, adapting her communication style and recommendations to individual needs. With experience in international clinical trials (Pfizer, Merck), she values clarity, trust, and collaborative partnership in patient care.

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This page is for general information. Consult a doctor for personal advice. Call emergency services if symptoms are severe.
About the medicine

How to use NATECAL D FLAS 1500 mg/400 IU orally disintegrating tablets

Introduction

Package Leaflet: Information for the Patient

Natecal D Flas 1,500 mg/400 UI Oral Disintegrating Tablets

(calcium carbonate/colecalciferol)

Read the entire package leaflet carefully before starting to take this medication, as it contains important information for you.

  • Keep this package leaflet, as you may need to read it again.
  • If you have any questions, consult your doctor, pharmacist, or nurse.
  • This medication has been prescribed to you only, and you should not give it to others, even if they have the same symptoms as you, as it may harm them.
  • If you experience side effects, consult your doctor, pharmacist, or nurse, even if they are not listed in this package leaflet. See section 4.

Package Leaflet Contents

  1. What Natecal D Flas is and what it is used for
  2. What you need to know before taking Natecal D Flas
  3. How to take Natecal D Flas
  4. Possible side effects
  5. Storage of Natecal D Flas
  6. Package Contents and Additional Information

1. What Natecal D Flas is and what it is used for

This medication is an association of calcium and vitamin D.

Natecal D Flas is indicated for the treatment of vitamin D deficiency states in patients who require calcium intake, as well as vitamin D and calcium supplementation associated with certain treatments for osteoporosis.

2. What you need to know before taking Natecal D Flas

Do not take Natecal D Flas

  • if you are allergic to calcium, vitamin D, or any of the other components of this medication (listed in section 6).
  • if you have kidney stones.
  • if you have high levels of calcium in the blood or urine.
  • this medication contains soybean oil. It should not be used in case of peanut or soy allergy.

Warnings and Precautions

Consult your doctor, pharmacist, or nurse before starting to take Natecal D Flas:

  • during prolonged treatments with this medication, so your doctor can monitor your urine calcium levels and adjust the dose.
  • if your kidneys do not function properly or you have a tendency to form kidney stones.
  • in elderly patients, it is recommended to regularly monitor kidney function.
  • if you suffer from sarcoidosis (a disease characterized by inflammation of the lymph nodes, lungs, liver, eyes, skin, and other tissues).

Other Medications and Natecal D Flas

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

Certain medications may interfere with this medication; in these cases, it may be necessary to change the dose, interrupt treatment with one of them, or wait at least a few hours between administration of both.

It is essential that you inform your doctor if you are taking or have recently taken any of the following medications:

  • Cardiac glycosides (heart medications).
  • Tetracyclines (certain antibiotics), wait for an interval of at least 3 hours.
  • Thiazide diuretics (medications that increase water and sodium elimination).
  • Anticonvulsants (medications used to treat seizures).
  • Systemic corticosteroids (medications used as anti-inflammatory agents in various diseases).
  • Bisphosphonates and sodium fluoride (medications used to treat osteoporosis), wait for an interval of 3 hours.
  • Barbiturates (medications that induce sleep) or phenytoin (medication used to treat epilepsy).

Taking Natecal D Flas with Food, Drinks, and Alcohol

If you take this medication with foods and drinks that contain oxalic acid (found in spinach and rhubarb) or phytic acid (found in whole wheat bread and whole grain cereals), interactions may occur, so it is recommended not to take this medication during the two hours following consumption of foods with high oxalic acid and phytic acid content.

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 medication.

Taking medications during pregnancy can be hazardous to the embryo and fetus.

During pregnancy and breastfeeding, the daily intake should not exceed 1,500 mg of calcium and 600 UI of vitamin D3.

In pregnant women, vitamin D overdoses should be avoided, as maintaining high blood calcium levels for an extended period could cause alterations in the fetus.

Driving and Using Machines

No effects on the ability to drive and use machines have been observed.

Natecal D Flas contains aspartame, lactose, and sucrose

This medication contains 8.672 mg of aspartame in each tablet, equivalent to 4.124 mg/g.

Aspartame contains a source of phenylalanine, which may be harmful in case of phenylketonuria (PKU), a rare genetic disease in which phenylalanine accumulates due to the body's inability to eliminate it correctly.

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

This medication contains sucrose. If your doctor has told you that you have an intolerance to certain sugars, consult with them before taking this medication. It may cause tooth decay.

Interactions with Diagnostic Tests

If you are going to undergo any diagnostic tests (blood tests, urine tests...), inform your doctor that you are being treated with Natecal D Flas, as it may alter the results.

3. How to take Natecal D Flas

Follow exactly the administration instructions of this medication indicated by your doctor or pharmacist. In case of doubt, consult your doctor or pharmacist again.

Remember to take your medication. The recommended dose is:

Adults: 1-2 oral disintegrating tablets per day, preferably after meals.

Use in Children and Adolescents

Consult your doctor to individualize the dose.

To ensure proper administration of the medication, let the tablet dissolve in your mouth, then swallow a glass of water.

If you think the effect of this medication is too strong or too weak, inform your doctor or pharmacist.

If you take more Natecal D Flas than you should

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 medication and the amount ingested.

If you have taken more Natecal D Flas than you should, consult your doctor or pharmacist immediately.

Deliberate or accidental intoxication with oral disintegrating tablets is unlikely.

In case of overdose, you may experience thirst, increased calcium levels in the blood, increased calcium levels in the urine, anorexia, nausea, vomiting, excessive urine production, and calcium deposits in soft tissues.

If you forget to take Natecal D Flas

Do not take a double dose to make up for forgotten doses; simply take the forgotten dose when you remember and take the next doses with the indicated interval (12-24 hours).

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

4. Possible Side Effects

Like all medications, this medication can cause side effects, although not everyone experiences them.

The following side effects have been observed:

Uncommon(may affect up to 1 in 100 people): hypercalcemia (high calcium levels in the blood) and hypercalciuria (high calcium levels in the urine).

Rare(may affect up to 1 in 1,000 people): constipation, gas, nausea, abdominal pain, and diarrhea.

Occasionally, mild digestive alterations may occur. Natecal D Flas may stimulate the formation of kidney stones in patients with altered renal function.

If you think any of the side effects you are experiencing is serious or if you notice any side effect not mentioned in this package leaflet, inform your doctor or pharmacist.

Reporting Side Effects

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

5. Storage of Natecal D Flas

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

Do not store above 30°C. Store in the original package.

Do not use this medication after the expiration date stated on the package after "EXP". The expiration date is the last day of the month indicated.

Medications should not be disposed of through wastewater or household waste. Deposit the packages and medications you no longer need at the SIGRE collection point in your pharmacy. If in doubt, ask your pharmacist how to dispose of packages and medications you no longer need. This will help protect the environment.

6. Package Contents and Additional Information

Natecal D Flas Composition

The active ingredients are calcium carbonate and colecalciferol (vitamin D3).

Each tablet contains 1,500 mg of calcium carbonate equivalent to 600 mg of calcium and 400 UI of colecalciferol (vitamin D3) (equivalent to 0.01 mg).

The other components (excipients) are: anhydrous citric acid, maltodextrin, hydroxypropylcellulose, lactose monohydrate, stearic acid, aspartame (E951), orange flavor, gelatin, sucrose, corn starch, partially hydrogenated soybean oil, all-rac-α-tocopherol, and silicon dioxide.

Product Appearance and Package Contents

Natecal D Flas is presented in the form of oral disintegrating tablets for oral administration in packages of 60 tablets.

Marketing Authorization Holder

Italfarmaco, S.A.

C/ San Rafael, 3

28108 Alcobendas, Madrid

Spain

Manufacturer

ITALFARMACO S.p.A.

Viale Fulvio Testi, 330

20126 Milan

Italy

Date of the Last Revision of this Package Leaflet:May 2021.

Detailed and updated information on this medication is available on the website of the Spanish Agency for Medicines and Health Products (AEMPS) (http://www.aemps.gob.es).

About the medicine

How much does NATECAL D FLAS 1500 mg/400 IU orally disintegrating tablets cost in Spain ( 2025)?

The average price of NATECAL D FLAS 1500 mg/400 IU orally disintegrating tablets in October, 2025 is around 7.21 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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Online doctors for NATECAL D FLAS 1500 mg/400 IU orally disintegrating tablets

Discuss dosage, side effects, interactions, contraindications, and prescription renewal for NATECAL D FLAS 1500 mg/400 IU orally disintegrating tablets – subject to medical assessment and local rules.

5.0(81)
Doctor

Taisiia Proida

Psychiatry6 years of experience

Dr. Taisiia Proida is a psychiatrist and cognitive behavioural therapist (CBT), and a member of the European Psychiatric Association. She offers online consultations for adults aged 18 and over, combining evidence-based medicine with an individualised approach to mental health care.

She specialises in consultations and ongoing support for a wide range of mental health concerns, including:

  • Mood disorders: depression, bipolar disorder, postpartum depression.
  • Anxiety disorders: generalised anxiety, OCD, panic attacks, phobias.
  • Post-traumatic stress disorder (PTSD) and complex PTSD.
  • Attention deficit hyperactivity disorder (ADHD) and autism spectrum disorder (ASD).
  • Personality disorders and emotional instability.
  • Cyclothymia and mood fluctuations.
  • Schizophrenia spectrum and related conditions.

Dr. Proida combines clinical expertise with an empathetic approach, offering structured support based on evidence-based practices. Her work integrates CBT techniques with medical management, with a focus on anxiety and depressive disorders.

She works with clients from different countries and cultural backgrounds, adapting her communication style and recommendations to individual needs. With experience in international clinical trials (Pfizer, Merck), she values clarity, trust, and collaborative partnership in patient care.

CameraBook a video appointment
€119.98
November 413:00
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Marianna Neshta

Endocrinology24 years of experience

Marianna Neshta is a medical doctor specialising in endocrinology and ultrasound diagnostics. She provides online consultations for adults, focusing on the diagnosis, treatment, and long-term management of endocrine disorders. Her approach includes personalised care plans, analysis of lab results and ultrasound scans, and evidence-based treatment.

Key areas of expertise:

  • Type 1 and Type 2 diabetes – diagnosis, therapy adjustment, CGM interpretation, and prevention of chronic complications
  • Obesity – treatment using both medication and lifestyle strategies, including modern GLP-1 medications and tailored follow-up plans
  • Thyroid disorders – ultrasound assessment, treatment planning, and management during pregnancy
  • Male hypogonadism – age-related or hormonal, including diagnostics and therapy
  • Metabolic syndrome, prediabetes, lipid disorders – risk assessment, lifestyle recommendations, and medical treatment
  • Calcium metabolism disorders – diagnosis and management of osteoporosis, hyperparathyroidism, and hypoparathyroidism
Dr Neshta applies current clinical guidelines and diagnostic tools, offering medical support adapted to each patient’s individual needs — all in an accessible online format.
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Alexandra Alexandrova

General medicine8 years of experience

Dr Alexandra Alexandrova is a licensed general medicine doctor in Spain, specialising in trichology, nutrition, and aesthetic medicine. She offers online consultations for adults, combining a therapeutic approach with personalised care for hair, scalp, and overall health.

Areas of expertise:

  • Hair loss in women and men, postpartum hair loss, androgenetic and telogen effluvium.
  • Scalp conditions: seborrheic dermatitis, psoriasis, scalp irritation, dandruff.
  • Chronic conditions: hypertension, diabetes, metabolic disorders.
  • Online trichology consultation: customised treatment plans, nutritional support, hair growth stimulation.
  • Hair loss prevention: hormonal imbalance, stress factors, haircare strategies.
  • Routine health check-ups, prevention of cardiovascular and metabolic diseases.
  • Personalised nutritional advice to improve hair strength, skin health, and hormonal balance.
  • Aesthetic medicine: non-invasive strategies to enhance skin quality, tone, and metabolic wellness.

Dr Alexandrova follows an evidence-based and holistic approach: online consultations with a therapist and trichologist on Oladoctor provide professional support for hair, scalp, and overall health — all from the comfort of your home.

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