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MELATONIN ARROTEX 2 mg PROLONGED-RELEASE TABLETS

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About the medicine

How to use MELATONIN ARROTEX 2 mg PROLONGED-RELEASE TABLETS

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This page provides general information and does not replace a doctor’s consultation. Always consult a doctor before taking any medication. Seek urgent medical care if symptoms are severe.

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Introduction

Package Leaflet: Information for the Patient

Melatonin Arrotex 2 mg prolonged-release tablets EFG

Melatonin

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

  • Keep this package 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. 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 package leaflet, see section 4.

Contents of the package leaflet:

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

1. What Melatonin Arrotex is and what it is used for

The active substance of Melatonin Arrotex is melatonin and belongs to a group of natural hormones produced by the body.

Melatonin Arrotex is used on its own for the short-term treatment of primary insomnia (persistent difficulty falling asleep or staying asleep or poor quality sleep) in patients over 55 years of age. "Primary" means that the insomnia has no identifiable cause, whether medical, mental, or environmental.

Doctor consultation

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2. What you need to know before you take Melatonin Arrotex

Do not take Melatonin Arrotex

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

Warnings and precautions

Talk to your doctor or pharmacist before taking Melatonin Arrotex

  • If you have liver or kidney problems. No studies have been conducted on the use of melatonin Arrotex in people with liver or kidney disease; you should talk to your doctor before taking melatonin Arrotex as its use is not recommended.
  • If your doctor has told you that you have intolerance to certain sugars.
  • If you have been told that you have an autoimmune disease (when the body is "attacked" by its own immune system). No studies have been conducted on the use of melatonin Arrotex in people with autoimmune diseases; you should talk to your doctor before taking melatonin Arrotex as its use is not recommended.
  • Melatonin Arrotex may cause drowsiness; you should be careful if you experience drowsiness, as it may affect your ability to perform tasks such as driving.
  • Smoking may reduce the effectiveness of melatonin Arrotex, as the components of tobacco smoke may increase the breakdown of melatonin in the liver.

Children and adolescents

This medicine should not be given to children or adolescents from 0 to 18 years, as it has not been evaluated in this population and its effects are not known.

Using Melatonin Arrotex with other medicines

Tell your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines. These medicines include:

  • Fluvoxamine (used to treat depression and obsessive-compulsive disorder), psoralens (used to treat skin diseases, such as psoriasis), cimetidine (used to treat stomach problems, such as ulcers), quinolones, and rifampicin (used to treat bacterial infections), estrogens (used as contraceptives or in hormone replacement therapy), and carbamazepine (used to treat epilepsy).
  • Adrenergic agonists and antagonists (such as certain types of medications used to control blood pressure by constricting blood vessels, nasal decongestants, or medications to reduce blood pressure), opioid agonists and antagonists (such as some medications used in the treatment of addictions), prostaglandin inhibitors (such as non-steroidal anti-inflammatory drugs), antidepressants, tryptophan, and alcohol.
  • Benzodiazepines and non-benzodiazepine hypnotics (medicines used to induce sleep, such as zaleplon, zolpidem, and zopiclone).
  • Thioridazine (for the treatment of schizophrenia) and imipramine (for the treatment of depression).

Using Melatonin Arrotex with food, drinks, and alcohol

Take Melatonin Arrotex after you have eaten some food. Do not drink alcohol before, after, or during the administration of Melatonin Arrotex, as it reduces the effectiveness of Melatonin Arrotex.

Pregnancy and breastfeeding

Do not take Melatonin Arrotex if you are pregnant, think you may be pregnant, or plan to become pregnant, or if you are breastfeeding. Talk to your doctor or pharmacist before using this medicine.

Driving and using machines

Melatonin Arrotex may cause drowsiness. In that case, do not drive or operate machinery. Talk to your doctor if you experience continuous drowsiness.

Melatonin Arrotex contains lactose monohydrate

Melatonin Arrotex contains lactose monohydrate. If your doctor has told you that you have intolerance to certain sugars, talk to them before taking this medicine.

3. How to take Melatonin Arrotex

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

The recommended dose is one tablet (2 mg) of Melatonin Arrotex per day, taken orally after eating some food, 1 or 2 hours before bedtime. This dose may be extended for a maximum of thirteen weeks.

Swallow the tablet whole. Melatonin Arrotex tablets should not be crushed or broken in half.

If you take more Melatonin Arrotex than you should

If you accidentally take more medicine than you should, go to your doctor or pharmacist as soon as possible.

Taking a dose higher than the recommended daily dose may cause drowsiness.

If you forget to take Melatonin Arrotex

If you forget to take the tablet, take it as soon as you remember, before bedtime, or wait until the next dose and then continue as before.

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

If you stop taking Melatonin Arrotex

Stopping or premature termination of treatment does not cause any known harmful effects. The use of Melatonin Arrotex does not cause withdrawal effects after treatment is finished.

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

Medicine questions

Started taking the medicine and have questions?

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4. Possible side effects

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

If you experience any of the following serious side effects, stop taking the medicine and contact your doctor immediately:

Uncommon:(may affect up to 1 in 100 people)

  • Chest pain

Rare:(may affect up to 1 in 1000 people)

  • Loss of consciousness or fainting
  • Severe chest pain due to angina pectoris
  • Awareness of heartbeat
  • Depression
  • Visual impairment
  • Blurred vision
  • Disorientation
  • Dizziness (feeling of dizziness or "everything spinning")
  • Presence of red blood cells in the urine
  • Decreased number of white blood cells in the blood
  • Decreased number of platelets in the blood, which increases the risk of bleeding or bruising
  • Psoriasis

If you experience any of the following non-serious side effects, contact your doctor or seek medical attention:

Uncommon:(may affect up to 1 in 100 people)

Irritability, nervousness, restlessness, insomnia, abnormal dreams, nightmares, anxiety, migraine, headache, lethargy (fatigue, lack of energy), restlessness associated with increased activity, dizziness, exhaustion, high blood pressure, pain in the upper abdomen, indigestion, mouth ulcers, dry mouth, nausea, alteration of blood composition that may cause a yellowish tint to the skin or eyes, skin inflammation, night sweats, itching, skin rash, dry skin, pain in the limbs, menopausal symptoms, feeling of weakness, glucose in the urine, excess protein in the urine, abnormal liver function, and weight gain.

Rare:(may affect up to 1 in 1000 people)

Herpes, increased concentration of fat molecules in the blood, reduced calcium concentration in the blood, reduced sodium concentration in the blood, mood alteration, aggression, agitation, crying, stress symptoms, waking up early, increased sexual desire, depressive mood, memory impairment, attention alteration, dreamy state, restless legs syndrome, poor quality sleep, sensation of pins and needles, increased tear production, dizziness when standing up or sitting down, hot flashes, acid reflux, digestive disorders, mouth blisters, tongue ulcers, stomach upset, vomiting, abnormal intestinal sounds, gas, excessive saliva production, bad breath, abdominal discomfort, stomach disorders, stomach mucosa inflammation, eczema, skin rash, hand dermatitis, itchy skin rash, nail disorders, arthritis, muscle spasms, neck pain, nocturnal cramps, prolonged and painful erection, prostate inflammation, fatigue, pain, thirst, increased urine volume, need to urinate at night, increased liver enzymes, electrolyte abnormalities in the blood, and laboratory test abnormalities.

Frequency not known:(cannot be estimated from the available data)

Hypersensitivity reaction, swelling of the mouth or tongue, swelling of the skin, and abnormal milk secretion.

Reporting of side effects

If you experience any side effects, talk to your doctor or pharmacist, even if it is possible side effects not listed in this package leaflet. You can also report them directly through the Spanish Pharmacovigilance System for Human Use www.notificaram.es By reporting side effects, you can help provide more information on the safety of this medicine.

5. Storage of Melatonin Arrotex

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 EXP. The expiry date is the last day of the month stated.

This medicine does not require any special storage conditions. Keep in the original package to protect from light.

Medicines should not be disposed of via wastewater or household waste. Return any unused medicine to your pharmacist. Ask your pharmacist how to dispose of medicines no longer required. This will help protect the environment.

6. Contents of the pack and further information

Composition of Melatonin Arrotex

  • The active substance is melatonin. Each prolonged-release tablet contains 2 mg of melatonin.
  • The other ingredients (excipients) are lactose monohydrate, calcium hydrogen phosphate dihydrate, ammonio methacrylate copolymer, talc, silica, anhydrous colloidal, and magnesium stearate.

Appearance of the product and pack contents

Melatonin Arrotex 2 mg prolonged-release tablets are presented as biconvex, round, white or almost white tablets. Each carton contains 7, 20, 21, or 30 tablets. Not all pack sizes may be marketed.

Marketing authorisation holder and manufacturer

Marketing authorisation holder:

Arrotex Pharmaceuticals Limited

70 Sir John Rogerson's Quay,

Dublin 2,

Ireland

Manufacturer:

Eurofins PROXY Laboratories B.V.

Archimedesweg 25

2333 CM LEIDEN

THE NETHERLANDS

This medicine is authorised in the Member States of the European Economic Area under the following names:

United Kingdom Melatonin Mylan 2mg Prolonged-release Tablets

Poland Melatonina Arrotex

Spain Melatonina Arrotex 2 mg Comprimidos de Liberacion Prolongada EFG

Date of last revision of this package leaflet:September 2018

Online doctors for MELATONIN ARROTEX 2 mg PROLONGED-RELEASE TABLETS

Discuss questions about MELATONIN ARROTEX 2 mg PROLONGED-RELEASE TABLETS, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

5.0 (94)
Doctor

Tarek Agami

General medicine 11 years exp.

Dr. Tarek Agami is a general practitioner registered in both Portugal and Israel, with broad experience in family and preventive medicine. He offers online consultations for adults and children, providing personalised support for primary care needs, chronic disease management, and everyday health concerns.

Dr. Agami received clinical training and worked in leading medical institutions in Israel (Kaplan Medical Center, Barzilai Medical Center, Wolfson Medical Center) and Portugal (European Healthcare City, Viscura Internacional, Hospital Dr. José Maria Grande, Hospital Vila Franca de Xira). His approach combines international medical standards with individualised attention to each patient.

Main areas of consultation:

  • Diagnosis and treatment of acute and chronic conditions (high blood pressure, diabetes, respiratory infections, cardiovascular symptoms)
  • Evaluation of symptoms and guidance on further diagnostic testing
  • Preventive check-ups and regular health monitoring
  • Medical support during travel or after relocation
  • Treatment adjustments and lifestyle recommendations based on your personal history
Dr. Agami provides medical support for patients using GLP-1 medications (such as Ozempic or Mounjaro) as part of a weight loss strategy. He offers individualised treatment planning, regular follow-up, dose adjustment, and advice on combining medication with sustainable lifestyle changes. Consultations follow the medical standards accepted in Portugal and Israel.

Dr. Agami is committed to evidence-based, patient-centred care, ensuring that each person receives trusted medical support tailored to their health goals.

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Doctor

Nuno Tavares Lopes

Family medicine 18 years exp.

Dr. Nuno Tavares Lopes is a licensed physician in Portugal with 17 years of experience in emergency medicine, family and general practice, and public health. He is the Director of Medical and Public Health Services at an international healthcare network and serves as an external consultant for the WHO and ECDC.

  • Emergency care: infections, fever, chest/abdominal pain, minor injuries, paediatric emergencies
  • Family medicine: hypertension, diabetes, cholesterol, chronic disease management
  • Travel medicine: pre-travel advice, vaccinations, fit-to-fly certificates, travel-related illnesses
  • Sexual and reproductive health: PrEP, STD prevention, counselling, treatment
  • Weight management and wellness: personalised weight loss programmes, lifestyle guidance
  • Skin and ENT issues: acne, eczema, allergies, rashes, sore throat, sinusitis
  • Pain management: acute and chronic pain, post-surgical care
  • Public health: prevention, health screenings, long-term monitoring
  • Sick leave (Baixa médica) connected to Segurança Social in Portugal
  • IMT medical certificates for driving licence exchange
Dr. Nuno Tavares Lopes provides medical support for patients using GLP-1 medications (Mounjaro, Wegovy, Ozempic, Rybelsus) as part of a weight loss strategy. He offers individualised treatment planning, regular follow-up, dose adjustment, and advice on combining medication with sustainable lifestyle changes. Consultations follow the medical standards accepted in Europe.

Dr. Lopes also provides interpretation of medical tests, follow-up care for complex patients, and multilingual support. Whether for urgent concerns or long-term care, he helps patients act with clarity and confidence.

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Doctor

Jorge Correa Bellido

General medicine 7 years exp.

Dr. Jorge Correa Bellido is a Spanish physician who offers online consultations in Spanish and English. He graduated from the University of La Laguna and has a solid background in clinical practice and international research.

Throughout his career, he has participated in various medical and academic projects, including a research fellowship in Spain, where he contributed to evidence-based studies in the field of family medicine. This experience allowed him to broaden his global perspective on healthcare and comprehensive patient care.

Dr. Correa Bellido has worked with several healthcare providers in Spain, focusing particularly on patient-centered care and public health initiatives aimed at communities with limited access to healthcare services.

In addition, he actively participates in international medical conferences and workshops, which allows him to stay up to date with the latest medical advances and collaborate with healthcare professionals from different countries.

Dr. Correa Bellido provides comprehensive care for a wide variety of medical conditions, including:

  • respiratory infections
  • gastrointestinal disorders
  • cardiovascular problems
  • endocrine and metabolic diseases
  • musculoskeletal and dermatological conditions
  • as well as mental health conditions such as anxiety and depression.

He also treats infectious and allergic diseases, general health concerns, and provides guidance on prevention and healthy lifestyle habits.

His services include virtual consultations, diagnosis and management of acute and chronic diseases, prescription renewals, and personalized medical advice.

With a patient-centered approach and a strong commitment to continuous learning, Dr. Correa Bellido provides accessible and high-quality healthcare to patients both in Spain and around the world.

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5.0 (5)
Doctor

Tomasz Grzelewski

Dermatology 21 years exp.

Dr Tomasz Grzelewski is an MD, PhD specialist in allergy, paediatrics, general practice and sports medicine, with a clinical focus on dermatology, endocrinology, allergology and sports-related health. He has more than 20 years of clinical experience and completed his medical training at the Medical University of Łódź, where he defended his PhD thesis with distinction. His doctoral research was recognised by the Polish Society of Allergology for its innovative contribution to the field. Throughout his career, he has gained extensive expertise in diagnosing and managing a wide range of allergic and paediatric conditions, including modern allergen desensitisation techniques. For five years, Dr Grzelewski served as the Head of two paediatric departments in Poland, managing complex clinical cases and leading multidisciplinary teams. He also worked in medical centres in the United Kingdom, gaining experience across both primary care and specialist environments. With over a decade of telemedicine experience, he has provided online consultations across Europe and is valued for his clear, structured and evidence-based medical guidance. Dr Grzelewski is actively involved in clinical programmes focused on modern anti-allergic therapies. As a Principal Investigator, he leads research projects on sublingual and oral allergen desensitisation, supporting evidence-based progress in allergy treatment for both children and adults. In addition to his background in allergology and paediatrics, he completed dermatology studies through the Cambridge Education Group (Royal College of Physicians of Ireland) and a Clinical Endocrinology course at Harvard Medical School. This advanced training enhances his ability to manage skin manifestations of allergies, atopic conditions, urticaria, endocrine-related symptoms and complex immunological reactions. Patients commonly seek his care for: 

  • seasonal and perennial allergies
  • allergic rhinitis and chronic nasal symptoms
  • asthma and breathing difficulties
  • food and medication allergies
  • urticaria, atopic dermatitis and skin reactions
  • recurrent infections in children
  • sports-related health questions
  • general family medicine concerns

Dr Tomasz Grzelewski is known for his clear communication style, structured medical approach and ability to explain treatment options in a concise and accessible way. His multidisciplinary background across allergy, paediatrics, dermatology and endocrinology allows him to provide safe, up-to-date and comprehensive care for patients of all ages.

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0.0 (17)
Doctor

Daniel Cichi

Family medicine 24 years exp.

Dr Daniel Cichi is a family medicine doctor with over 20 years of clinical experience. He provides online consultations for adults, supporting patients with acute symptoms, chronic conditions, and everyday health concerns that require timely medical guidance. His background includes work in emergency care, ambulance services, and family medicine, which allows him to assess symptoms quickly, identify warning signs, and help patients choose the safest next steps – whether that means home care, treatment adjustment, or in-person evaluation. Patients commonly consult Dr Daniel Cichi for: 

  • acute symptoms: fever, infections, flu-like illness, cough, sore throat, shortness of breath;
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  • sexually transmitted infections, erectile dysfunction;
  • muscle, joint, and back pain, minor injuries, post-traumatic symptoms;
  • chronic conditions: hypertension, diabetes, high cholesterol, thyroid disorders, weight loss, hair loss;
  • review and interpretation of lab tests, imaging reports, and medical documents;
  • medication review and treatment adjustment;
  • medical advice while travelling or living abroad;
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Dr Cichi’s consultations are structured and practical. He focuses on clear explanations, risk assessment, and actionable recommendations, helping patients understand their symptoms and make informed decisions about their health.

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€55

Frequently Asked Questions

Is a prescription required for MELATONIN ARROTEX 2 mg PROLONGED-RELEASE TABLETS?
MELATONIN ARROTEX 2 mg PROLONGED-RELEASE TABLETS requires a prescription in Spain. You can check with a doctor online whether this medicine may be appropriate for your situation.
What is the active substance in MELATONIN ARROTEX 2 mg PROLONGED-RELEASE TABLETS?
The active ingredient in MELATONIN ARROTEX 2 mg PROLONGED-RELEASE TABLETS is melatonin. This information helps identify medicines with the same composition but different brand names.
Who manufactures MELATONIN ARROTEX 2 mg PROLONGED-RELEASE TABLETS?
MELATONIN ARROTEX 2 mg PROLONGED-RELEASE TABLETS is manufactured by Arrotex Pharmaceuticals Limited. Pharmacy brands and packaging may differ depending on the distributor.
Which doctors can assess the use of MELATONIN ARROTEX 2 mg PROLONGED-RELEASE TABLETS online?
Doctors such as Family doctors, Psychiatrists, Dermatologists, Cardiologists, Endocrinologists, Gastroenterologists, Pulmonologists, Nephrologists, Rheumatologists, Hematologists, Infectious disease physicians, Allergists, Geriatricians, Paediatricians, Oncologists may assess whether MELATONIN ARROTEX 2 mg PROLONGED-RELEASE TABLETS is appropriate, depending on your situation and local regulations. You can book an online consultation to discuss your symptoms and possible next steps.
What are the alternatives to MELATONIN ARROTEX 2 mg PROLONGED-RELEASE TABLETS?
Other medicines with the same active substance (melatonin) include CIRCADIN 2 mg PROLONGED-RELEASE TABLETS (30 tablets), CIRCADIN 2 mg PROLONGED-RELEASE TABLETS, MELATONIN AUROVITAS 2 mg PROLONGED RELEASE TABLETS. 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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