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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 DARSTIN 10 mg/g GEL

Contents of the leaflet

  1. Introduction
    1. Contents of the Package Leaflet
  2. What is Darstin and what is it used for
  3. What you need to know before you start using Darstin
  4. How to use Darstin
  5. Possible side effects
  6. Storage of Darstin
  7. Contents of the pack and further information

Introduction

Package Leaflet: Information for the User

darstin 10 mg/g gel

progesterone

Read all of this leaflet carefully before you start using this medicine because it contains important information for you.

  • Keep this leaflet, you may need to read it again.
  • If you have any further questions, ask your doctor or pharmacist.
  • This medicine has been prescribed for you only. Do not pass it on to others, as it may harm them, even if their symptoms are the same as yours.
  • If you experience any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. See section 4.

Contents of the Package Leaflet

  1. What is Darstin and what is it used for
  2. What you need to know before you start using Darstin
  3. How to use Darstin
  4. Possible side effects
  5. Storage of Darstin
  6. Contents of the pack and further information

1. What is Darstin and what is it used for

This medicine contains progesterone, a natural female sex hormone.

Darstin locally corrects the imbalance between estrogens and progesterone (two types of female sex hormones), treating breast pain and other benign breast diseases locally.

Doctor consultation

Not sure if this medicine is right for you?

Discuss your symptoms and treatment with a doctor online.

2. What you need to know before you start using Darstin

Do not use Darstin

If you are allergic to progesterone or any of the other ingredients of this medicine (listed in section 6).

Warnings and precautions

Consult your doctor or pharmacist before you start using Darstin.

As it is a hydroalcoholic solution, it should not be applied directly to mucous membranes. Frequent applications may cause skin irritation and dryness.

Other medicines and Darstin

Tell your doctor or pharmacist if you are using or have recently used or might use any other medicines.

Pregnancy and breastfeeding

If you are pregnant or breastfeeding, think you might be pregnant or plan to become pregnant, consult your doctor or pharmacist before using this medicine.

The use of this medicine has no influence during pregnancy or breastfeeding.

Driving and using machines

Its use does not affect the ability to drive vehicles or operate machinery.

3. How to use Darstin

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

Apply 5 g of gel to the breast skin, every day in the morning or evening, even during menstruation. Your doctor will indicate the duration of your treatment with Darstin. Do not stop treatment before the indicated time.

To measure a daily dose of 5 g:

  • Screw the applicator onto the tube.
  • Squeeze the tube to fill the applicator with the gel, until the plunger stops at the 2.5 g mark.
  • Separate the applicator from the tube and apply the gel to the skin of one breast.
  • Repeat the operation for the other breast.
  • After each application, separate the plunger from the nozzle and wash them.

Let it dry before dressing.

Darstin is odorless and does not stain.

If you use more Darstin 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 medicine and the amount ingested.

If you forget to use Darstin

Do not use a double dose to make up for forgotten doses.

Medicine questions

Started taking the medicine and have questions?

Discuss your symptoms and treatment with a doctor online.

4. Possible side effects

Like all medicines, this medicine can cause side effects, although not everybody gets them.

Although they are generally not produced, the following side effects may occur according to their frequency of presentation:

Disorders of the skin and subcutaneous tissue

Frequency not known (cannot be estimated from the available data): skin irritation and dryness.

Reporting of side effects

If you experience any side effects, talk to your doctor or pharmacist, even if they are side effects not listed in this leaflet.

You can also report them directly through the Spanish Pharmacovigilance System for Human Use Medicines: www.notificaRAM.es. By reporting side effects, you can help provide more information on the safety of this medicine.

5. Storage of Darstin

Keep below 25°C and keep the container tightly closed after each application.

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 CAD. The expiry date is the last day of the month shown.

Medicines should not be disposed of via wastewater or household waste. Dispose of the container and any unused medicine in the SIGRE collection point at the pharmacy. If you are unsure, ask your pharmacist how to dispose of the container and any unused medicine. This will help protect the environment.

6. Contents of the pack and further information

Composition of Darstin

  • The active ingredient is progesterone. Each gram of gel contains 10 mg of progesterone.
  • The other ingredients (excipients) are: carbomers, tromethamine, ethanol 96%, and purified water.

Appearance of Darstin and contents of the pack

Translucent gel in an aluminum tube with a dosing applicator.

Tube with 80 g of gel.

Marketing authorization holder and manufacturer

SEID, S.A.

Carretera de Sabadell a Granollers, Km. 15

08185 - Lliçà de Vall (Barcelona)

Date of last revision of this leaflet: November 2024

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/.

Online doctors for DARSTIN 10 mg/g GEL

Discuss questions about DARSTIN 10 mg/g GEL, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

Get DARSTIN 10 mg/g GEL Prescription Online

1

Fill in a 2-min form

Tell us your symptoms, history, and what medicine you're requesting.

2

Pick a doctor or let us assign

Choose a specialist or we'll match you with the next available doctor.

3

Doctor reviews your case

Usually within 30 minutes. They may ask follow-up questions via chat.

4

Collect from any pharmacy

Electronic prescription sent to your email — valid across Spain.

Frequently Asked Questions

DARSTIN 10 mg/g GEL requires a prescription in Spain. You can check with a doctor online whether this medicine may be appropriate for your situation.

The active ingredient in DARSTIN 10 mg/g GEL is progesterone. This information helps identify medicines with the same composition but different brand names.

DARSTIN 10 mg/g GEL is manufactured by Seid S.A.. Pharmacy brands and packaging may differ depending on the distributor.

Doctors such as Family doctors, Psychiatrists, Dermatologists, Cardiologists, Endocrinologists, Gastroenterologists, Pulmonologists, Nephrologists, Rheumatologists, Hematologists, Infectious disease physicians, Allergists, Geriatricians, Paediatricians, Oncologists may assess whether DARSTIN 10 mg/g GEL is appropriate, depending on your situation and local regulations. You can book an online consultation to discuss your symptoms and possible next steps.

Spain has a well-developed healthcare infrastructure across major cities such as Madrid, Barcelona, Valencia, and Seville. Pharmacies are widely available and operate under strict regulations, ensuring access to prescribed medications.

You can buy DARSTIN 10 mg/g GEL in Madrid, Barcelona, Seville, or Valencia at any local pharmacy with a valid prescription.

To obtain a prescription, you can use Oladoctor:

Other medicines with the same active substance (progesterone) include CYCLOGEST 400 mg VAGINAL SUPPOSITORIES, GEPRETIX 100 mg SOFT GEL CAPSULES, GEPRETIX 200 mg SOFT GEL CAPSULES. These may have different brand names or formulations but contain the same therapeutic ingredient. Always consult a doctor before switching or starting a new medicine.

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