Background pattern
Medicine image

Fenistil 1 mg/g gel

About the medication

Introduction

Package Insert: Information for the User

Fenistil 1 mg/g Gel

Dimetindeno Maleate

Read this entire package insert carefully before you start taking this medicine, because it contains important information for you.

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

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

1. What is Fenistil and what is it used for

Fenistil gel contains dimetindeno maleate, an active ingredient that belongs to a group of medicines called antihistamines.

Fenistil gel is indicated for the relief of skin itching associated with skin reactions such as small skin eruptions, urticaria, insect bites, small sunburns, and superficial small burns, for adults and children aged 1 month and over.

Children over 1 month to 2 years:under medical supervision.

You should consult a doctor if it worsens or does not improve after 7 days of treatment.

2. What you need to know before starting to use Fenistil

Do not use Fenistil:

  • If you are allergic to dimetindene maleate or any of the other components of this medication (listed in section 6).
  • Newborn babies and premature babies.

Warnings and precautions

Consult your doctor, pharmacist, or nurse before starting to use Fenistil gel.

  • Avoid prolonged exposure to the sun of treated skin areas.
  • Do not apply to extensive skin areas or mucous membranes.
  • Consult your doctor if symptoms do not improve in a week.

In case of very severe itching or extensive injuries, consult your doctor or pharmacist about the possibility of complementing local dimetindene maleate application with an oral antihistamine.

Children

In infants and young children, do not use on extensive skin areas, particularly if the skin is inflamed or damaged.

Other medications and Fenistil

Inform your doctor or pharmacist if you are using, have used recently, or may need to use any other medication.

Pregnancy, breastfeeding, and fertility

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

During pregnancy and breastfeeding, do not apply Fenistil gel to extensive skin areas, especially if the skin is inflamed or damaged.

During breastfeeding, do not apply the product to the nipples. Also, do not apply this medication to the chest as it contains benzalkonium chloride, which may pass to the baby.

Driving and operating machines

The application of Fenistil gel to the skin does not affect the ability to drive or operate machines.

Fenistil gel contains benzalkonium chloride and propylene glycol (E-1520)

This medication contains 0.1 mg of benzalkonium chloride in each dose of gel, equivalent to 0.05 mg per gram of gel. Benzalkonium chloride may cause skin irritation. Do not apply to mucous membranes.

Do not apply this medication to the chest during breastfeeding as it may pass to the baby.

This medication contains 300 mg of propylene glycol in each dose of gel, equivalent to 150 mg per gram of gel.

3. How to use Fenistil gel

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

The recommended dose is:

Adults and children over 2 years:

Apply a small amount of the medication to the affected area. The procedure can be repeated 2 to 4 times a day, if necessary.

Children over 1 month to 2 years: use under medical supervision

If it worsens or does not improve after 7 days of treatment, consult your doctor.

In case of very severe itching or extensive lesions, consult your doctor or pharmacist.

How to use

Fenistil gel is a topical medication. Use on intact skin, without wounds.

Do not use on extensive areas of the skin or mucous membranes.

Apply a small amount of the medication to the affected area. Then, give a gentle massage with your hand to facilitate the penetration of the medication into the skin.

If you use more Fenistil than you should

Accidental ingestion of a considerable amount of Fenistil gel may induce some characteristic symptoms of an H1 antihistamine overdose: central nervous system depression with drowsiness (mainly in adults), central nervous system stimulation (excitability) and antimuscarinic effects (especially in children and the elderly), including, difficulty coordinating movements (ataxia), hallucinations, involuntary muscle contractions (tonic-clonic spasms), dilated pupils (mydriasis), dry mouth, flushing on the face, urinary retention, and fever. Hypotension may also occur.

In case of overdose or accidental ingestion, seek immediate medical attention or contact the pharmacist, or call the Toxicological Information Service (phone 91 562 04 20), indicating the medication and the amount ingested.

4. Possible Adverse Effects

Like all medications, this medication may produce adverse effects, although not all people will experience them.

When using this product, you may experience:

  • Dry skin
  • Burning sensation on the skin
  • Rash and itching

Reporting Adverse Effects

If you experience any type of adverse effect, consult your doctor or pharmacist, 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. Website: www.notificaRAM.es. By reporting adverse effects, you can contribute to providing more information about the safety of this medication.

5. Conservation of Fenistil

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

Do not use this medication after the expiration date that appears on the box and on the tube after CAD. The expiration date is the last day of the month indicated.

Do not store at a temperature above25°C.

Medicines should not be disposed of through drains or in the trash. Dispose of packaging and medications you no longer need at the SIGRE collection point of the pharmacy. If in doubt, ask your pharmacist how to dispose of 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 Fenistil

  • The active ingredient is dimetindeno maleate. Each gram of gel contains 1 mg of dimetindeno maleate.
  • The other components (excipients) are benzalkonium chloride, disodium edetate, carbomer, sodium hydroxide, propylene glycol, and purified water.

Appearance of the product and contents of the packaging

Colourless, odourless, and non-greasy gel.

Fenistil gel is available in packaging of30 gand50 g.

Holder of the marketing authorization

Haleon Spain, S.A.

C/ Severo Ochoa, 2

28760 Tres Cantos – Madrid

Spain

Responsible for manufacturing

Haleon Germany GmbH

Barthstrasse, 4 - 80339

Munich (Germany)

Date of the last review of this leaflet:January 2020

Other sources of information

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

Country of registration
Active substance
Prescription required
No
Manufacturer
Composition
Cloruro de benzalconio solucion al 50% (5 mg mg), Edetato de disodio (50 mg mg), Hidroxido de sodio (e 524) (1 mg mg), Propilenglicol (15 mg mg)
This information is for reference only and does not constitute medical advice. Always consult a licensed doctor before taking any medication. Oladoctor is not responsible for medical decisions based on this content.

Talk to a doctor online

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

5.01 review
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.

Book a video appointment
5.01 review
Doctor

Alina Tsurkan

Family Medicine12 years of experience

Dr. Alina Tsurkan is a licensed family medicine doctor based in Portugal. She provides personalised primary care for both adults and children, helping patients manage a wide range of everyday health concerns with professionalism and attention to detail.

Dr. Tsurkan diagnoses and treats common conditions such as: • Respiratory infections (cold, flu, bronchitis, pneumonia) • Eye conditions: conjunctivitis (infectious and allergic) • ENT problems (sinusitis, ear infections, tonsillitis) • Digestive issues including gastritis, acid reflux, and IBS • Urinary tract infections and other frequent infections • Chronic conditions such as high blood pressure, diabetes, and thyroid disorders • Headaches and migraines

In addition to symptom-based care, Dr. Tsurkan focuses on prevention and early detection. She offers regular health check-ups, follow-up care, and medical prescriptions tailored to each patient’s needs.

With a comprehensive and caring approach, Dr. Tsurkan supports patients at every stage of life — from acute illnesses to long-term health management.

Book a video appointment
5.09 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.

Book a video appointment
5.01 review
Doctor

Yevgen Yakovenko

General Surgery11 years of experience

Dr. Yevgen Yakovenko is a licensed surgeon and general practitioner in Spain, with a diverse clinical background in general and pediatric surgery, internal medicine, and pain management. With a strong focus on both practice and research, he provides comprehensive medical consultations for adults and children, covering both surgical and therapeutic needs.

Dr. Yakovenko offers expert care in the following areas: • Diagnosis and treatment of acute and chronic pain • Pre- and postoperative care, including risk assessment and follow-up • Surgical conditions such as hernias, gallbladder disease, and appendicitis • Pediatric surgery consultations, including congenital conditions and minor procedures • Trauma care: fractures, soft tissue injuries, and wound management • Oncological surgery consultation and post-treatment care • Cardiovascular and respiratory conditions (internal medicine) • Orthopedic concerns and post-trauma rehabilitation • Radiological interpretation for surgical planning

In addition to his clinical work, Dr. Yakovenko actively participates in medical research and international collaboration. He is a member of the German Surgeons Association (BDC), affiliated with the General Practitioners Association of Las Palmas, and works with the German Consulate in the Canary Islands. He regularly attends international medical conferences and has authored scientific publications.

With over a decade of multidisciplinary experience, Dr. Yakovenko delivers precise, evidence-based care tailored to each patient’s needs.

Book 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