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TONLIT 50 micrograms/ml EYE DROPS SOLUTION

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About the medicine

How to use TONLIT 50 micrograms/ml EYE DROPS SOLUTION

Translated with AI

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 User

Tonlit 50 micrograms/ml eye drops, solution

Latanoprost

Read the package leaflet carefully before you start usingthe medicine.

  • Keep this package leaflet, you may need to read it again.
  • If you have any further questions, ask your doctor or the doctor treating your child or your pharmacist.
  • This medicine has been prescribed for you or your child, do not give it to others, even if their symptoms are the same, as it may harm them.
  • If you consider that any of the adverse effects that you are suffering from is serious, or if you notice any adverse effect not mentioned in this package leaflet, inform your doctor or the doctor treating your child or your pharmacist.

Contents of the package leaflet

  1. What is Tonlit and what is it used for
  2. Before using Tonlit
  3. How to use Tonlit
  4. Possible side effects
  5. Storage of Tonlit
  6. Further information

1. What is Tonlit and what is it used for

Tonlit contains latanoprost, which belongs to a group of medicines known as prostaglandin analogues.

Tonlit is used to treat conditions known as open-angle glaucoma and ocular hypertension in adults. Both conditions are related to an increase in pressure inside the eye, which can affect vision.

Tonlit is also used to treat increased pressure inside the eye and glaucoma in children and babies of all ages.

Doctor consultation

Not sure if this medicine is right for you?

Discuss your symptoms and treatment with a doctor online.

2. Before using Tonlit

Tonlit can be used in adult men and women (including the elderly) and in children from birth to 18 years of age. Tonlit has not been investigated in premature children (less than 36 weeks of gestation).

Do not use Tonlit

  • If you are allergic (hypersensitive) to latanoprost or to any of the other ingredients of Tonlit.

Be careful with Tonlit

If you consider that any of the following situations apply to you or your child, consult your doctor, the doctor treating your child, or your pharmacist before administering Tonlit or before giving it to your child:

Tonlit may cause a gradual change in eye color by increasing the amount of brown pigment in the iris.

Treating only one eye may cause a permanent change in color, mainly observed in patients with non-homogeneous iris pigmentation. In most cases, the color change is mild and has no clinical consequences. You can continue using Tonlit even if eye darkening occurs. Some cases of skin discoloration around the eyes have been observed. To date, this discoloration is not permanent and, in some cases, is reversible even during treatment.

Tonlit may gradually change the eyelashes of the treated eye; these changes include increased length, thickness, darkening of the eyelashes, and abnormal growth of eyelashes. These changes are reversible once treatment is discontinued.

Stop treatment with Tonlit and contact your doctor immediately if you suspect that Tonlit is causing an allergic reaction. The symptoms of an allergic reaction include: skin rash, severe itching, swelling, dizziness, and difficulty breathing.

Using other medicines

Tell your doctor, the doctor treating your child, or your pharmacist if you or your child are using or have recently used other medicines, including those obtained without a prescription and herbal products.

If you use an eye drop that contains thimerosal as a preservative, you should wait at least 5 minutes between the application of this and Tonlit.

No specific data on interactions with other medicines are available.

Concomitant use of two similar eye drops or prostaglandin derivatives is not recommended.

Pregnancy and breastfeeding

Consult your doctor or pharmacist before using any medicine.

Tonlit should not be used during pregnancy or breastfeeding.

Driving and using machines

Like any other eye drop, if your vision becomes blurred when you apply the drops, wait a moment until the effect disappears before driving or using machines.

Important information about some of the ingredients of Tonlit

This medicine may cause eye irritation because it contains benzalkonium chloride.

Avoid contact with soft contact lenses. Remove contact lenses before use and wait at least 15 minutes before putting them back. It alters the color of soft contact lenses. Follow the instructions included in section 3 for contact lens users.

3. How to use Tonlit

Follow the instructions for administering Tonlit exactly as indicated by your doctor or the doctor treating your child. Consult your doctor, the doctor treating your child, or your pharmacist if you have any doubts.

The usual dose for adults (including the elderly) and children is one drop once a day in the affected eye(s), preferably at night.

If you are using another eye drop, you should wait at least 5 minutes before applying it.

Use Tonlit as your doctor or the doctor treating your child has indicated until they tell you to stop.

Instructions for the correct administration of Tonlit:

  1. Wash your hands and sit comfortably.
  2. Remove the cap.
  3. Using your finger, gently separate the lower eyelid of the eye to be treated.
  4. Place the tip of the bottle close to the eye, without touching it.
  5. Squeeze the bottle carefully so that only one drop is introduced into the eye. Remove your finger from the lower eyelid.
  6. Press the corner of the affected eye, near the nose, with your finger.

Apply pressure for 1 minute, keeping your eye closed.

  1. Repeat the operation in the other eye, if your doctor has indicated it.

After use, immediately replace the cap by screwing it until it is firmly in place. The dropper is designed to provide a single drop as the correct dose; therefore, do not increase the dropper hole.

Contact lens users

If you or your child use contact lenses, you should remove them before using Tonlit.

After applying Tonlit, you should wait 15 minutes before putting the contact lenses back.

If you use more Tonlit than you should

If you have applied more Tonlit than you should, you may feel a slight irritation and redness of the eye.

In case of accidental ingestion by you or your child of Tonlit, consult your doctor or pharmacist immediately or call the Toxicology Information Service, telephone 91.562.04.20. The following information may be useful: each bottle contains 125 micrograms of latanoprost.

If you forget to use Tonlit

If you forget to apply a dose of Tonlit, you should wait until the next scheduled dose.

Do not apply a double dose to make up for the missed doses.

If you stop using Tonlit

If you need to stop treatment, contact your doctor or the doctor treating your child, or your pharmacist immediately.

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

Medicine questions

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Discuss your symptoms and treatment with a doctor online.

4. Possible side effects

Like all medicines, Tonlit can cause side effects, although not everyone gets them.

The possible side effects of Tonlit are:

Very common (may affect more than 1 in 10 people):

Increased pigmentation of the iris, eye irritation (foreign body sensation), changes in eyelashes (darkening, thickening, and lengthening).

Common (may affect up to 1 in 10 people):

Mild or moderate eye redness, dry eyes, blurred vision, transient punctate epithelial erosions (generally asymptomatic), eyelid inflammation, eye pain.

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

Swelling of the eyelids.

Skin rash.

Nausea.

Vomiting.

Rare (may affect up to 1 in 1,000 people):

Swelling of some parts of the eye or surrounding areas (iris, macula, cornea, and orbital area), abnormal growth of eyelashes that may cause eye irritation, appearance of an additional row of eyelashes, darkening of the eyelid skin, reactions of the eyelid skin.

Asthma (or worsening of asthma) and difficulty breathing.

Very rare (may affect up to 1 in 10,000 people):

Worsening of angina pectoris if you already have it, palpitations.

Headache, dizziness, and joint pain.

Tell your doctor or pharmacist immediately if you experience any of these side effects or any other unusual symptoms, especially if you experience any changes or visual disturbances when using Tonlit after eye surgery.

The side effects observed in children at a higher frequency than in adults are runny nose and itchy nose and fever.

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

5. Storage of Tonlit

Keep out of the reach and sight of children.

Unopened bottle: store in the refrigerator (between 2°C and 8°C).

After opening the bottle: do not store above 25°C.

The Tonlit bottle should be discarded 4 weeks after it was first opened.

Do not use Tonlit after the expiration date stated on the packaging after EXP. The expiration date is the last day of the month indicated.

Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of the packaging and medicines you no longer need. This will help protect the environment.

6. Further information

Composition of Tonlit

  • The active substance is latanoprost. One ml of eye drops solution contains 50 micrograms of latanoprost.

The other ingredients are: benzalkonium chloride, sodium chloride, sodium dihydrogen phosphate dihydrate, disodium phosphate dodecahydrate, sodium hydroxide, phosphoric acid, and purified water.

Appearance and packaging of the product

Tonlit is presented as a clear and colorless eye drop solution in a dropper bottle with a screw cap.

Each bottle contains 2.5 ml of ophthalmic solution and is presented in packs of 1, 3, and 6 bottles. Not all pack sizes may be marketed.

Marketing authorization holder and manufacturer

Marketing Authorization Holder

LABORATORIOS S.A.L.V.A.T., S.A.

Gall, 30-36

08950 Esplugues de Llobregat (Barcelona)

Manufacturer

BRUSCHENTTINI, S.R.L.

Via Isonzo, 6

Genova I-16147 Italy

This package leaflet was approved in March 2022

Online doctors for TONLIT 50 micrograms/ml EYE DROPS SOLUTION

Discuss questions about TONLIT 50 micrograms/ml EYE DROPS SOLUTION, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

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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Doctor

Hocine Lokchiri

General medicine 21 years exp.

Dr. Hocine Lokchiri is a French consultant with over 20 years of experience in General and Emergency Medicine. He works with adults and children, helping patients with urgent symptoms, infections, sudden health changes and everyday medical concerns that require timely evaluation. His background includes clinical practice in France, Switzerland and the United Arab Emirates, which allows him to navigate different healthcare systems and manage a wide range of conditions with confidence. Patients value his calm, structured approach, clear explanations and evidence-based decision-making.

Online consultations with Dr. Lokchiri are suitable for many situations when someone needs quick medical guidance, reassurance or a clear next step. Common reasons for booking include:

  • fever, chills, fatigue and viral symptoms
  • cough, sore throat, nasal congestion, breathing discomfort
  • bronchitis and mild asthma flare-ups
  • nausea, diarrhoea, abdominal pain, digestive infections
  • rashes, allergic reactions, redness, insect bites
  • muscle or joint pain, mild injuries, sprains
  • headache, dizziness, migraine symptoms
  • stress-related symptoms, sleep disturbances
  • questions about test results and treatment plans
  • management of chronic conditions in stable phases
Many patients reach out when symptoms appear suddenly and cause concern, when a child becomes unwell unexpectedly, when a rash changes or spreads, or when it’s unclear whether an in-person examination is necessary. His emergency medicine background is particularly valuable online, helping patients understand risk levels, identify warning signs and choose safe next steps.

Some situations are not suitable for online care. If a patient has loss of consciousness, severe chest pain, uncontrolled bleeding, seizures, major trauma or symptoms suggesting a stroke or heart attack, he will advise seeking immediate local emergency services. This improves safety and ensures patients receive the right level of care.

Dr. Lokchiri’s professional training includes:

  • Advanced Trauma Life Support (ATLS)
  • Basic and Advanced Cardiac Life Support (BLS/ACLS)
  • Pediatric Advanced Life Support (PALS)
  • Prehospital Trauma Life Support (PHTLS)
  • eFAST and critical care transthoracic echocardiography
  • aviation medicine
He is an active member of several professional organisations, including the French Society of Emergency Medicine (SFMU), the French Association for Emergency Physicians (AMUF) and the Swiss Society of Emergency and Rescue Medicine (SGNOR). In consultations, he works with clarity and precision, helping patients understand their symptoms, possible risks and the safest treatment options.
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Doctor

Andrei Popov

General medicine 7 years exp.

Dr. Andrei Popov is a family physician with specialized training in the management of chronic pain. He provides video consultations for adults in Spain and across Europe: whether you have been living with pain for months that no one has been able to properly explain, or you need to resolve a health issue without waiting weeks for an appointment.

His approach is clear: to listen, organize your case, and provide you with a practical roadmap based on evidence-based medicine and adapted to your medical history and personal needs.

Pain: how he can help

  • Chronic pain (more than 3 months
  • Migraine and recurrent or high-intensity headaches
  •  Neck, lower back, back and joint pain
  •  Post-traumatic pain after injuries or surgeries
  •  Pain of neurological origin: neuralgia, neuropathic pain, fibromyalgia

General medicine

  • Frequent respiratory infections (cold, flu, persistent cough)
  • Hypertension, diabetes and metabolic disorders
  • Review of laboratory tests and MRI/CT reports (explained in clear language)
  • Preventive medicine and health monitoring
  • Second opinions and treatment adjustments (when clinically appropriate)

What the consultation is like
 Each session lasts up to 30 minutes. We review symptoms, medical history, medications and any tests you provide, and you finish the consultation with a clear treatment plan, defined next steps, and criteria to understand when follow-up may be needed. If warning signs are detected, he will clearly advise whether you need in-person care or urgent medical attention.

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€80
5.0 (184)
Doctor

Yevgen Yakovenko

General surgery 12 years exp.

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.
  • Obesity treatment and weight management: a medical approach to weight loss, including assessment of underlying causes, evaluation of comorbidities, development of a personalised plan (nutrition, physical activity, pharmacotherapy if needed), and ongoing progress monitoring.
  • 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.

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€50
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Doctor

Joao Silva

General medicine 6 years exp.

Dr. João Silva is a physician with training and experience in the field of General and Family Medicine, dedicated to providing healthcare focused on the well-being and quality of life of his patients. Throughout his professional career, he has developed broad clinical competencies, striving to maintain a medical practice based on scientific evidence and continuous knowledge updates.

Between 2013 and 2019, he completed the Integrated Master's Degree in Medicine at the Abel Salazar Institute of Biomedical Sciences in Porto, where he acquired a solid academic and clinical education.

Subsequently, between January 2021 and December 2021, he completed the General Internship at the Entre Douro e Vouga Hospital Center in Santa Maria da Feira, where he had the opportunity to work in different hospital settings and deepen his competencies in several areas of medicine.

From January 2022 until March 2026, he works as a Resident Physician in General and Family Medicine at USF Salvador Machado in Oliveira de Azeméis, developing clinical activities in primary healthcare, follow-up of chronic patients, and health promotion in the community.

Complementing his medical training, Dr. João Silva also completed a Postgraduate Degree in Continuing and Palliative Care at CESPU, strengthening his preparation in the comprehensive approach to patient care, especially in situations requiring prolonged care and multidisciplinary support.

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€55
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Doctor

Bulat Garipov

General medicine 15 years exp.

Dr. Bulat Garipov is a radiologist with more than 15 years of experience, specializing in magnetic resonance imaging (MRI). Throughout his professional career, he has worked in leading diagnostic imaging centers, both in on-site practice and teleradiology, which has allowed him to develop a broad and versatile approach to radiology.

Over the years, he has gained solid experience in interpreting MRI studies in various areas, including:

  •  Neuroimaging
  •  Musculoskeletal system (MSK)
  •  Angiography
  •  Abdomen and pelvis
  •  Soft tissues

Additionally, Dr. Garipov is open to new collaboration opportunities in radiology and teleradiology projects. He offers his expertise in MRI, providing both first and second readings of studies, as well as advanced image interpretation, ensuring accurate and high-quality diagnostics.

You could consult Dr. Bulat Garipov in cases where accurate interpretation of MRI studies or a second expert opinion is required. His expertise is especially valuable in cases of suspected neurological conditions, back and joint pain, vascular disorders, as well as in the diagnosis of abdominal and pelvic diseases. The doctor also provides support in complex or unclear clinical situations, including the review of previously performed studies, which helps improve diagnostic accuracy and determine the optimal treatment strategy. A teleradiology format is available, allowing you to receive a professional opinion remotely.

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€60

Frequently Asked Questions

Is a prescription required for TONLIT 50 micrograms/ml EYE DROPS SOLUTION?
TONLIT 50 micrograms/ml EYE DROPS SOLUTION 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 TONLIT 50 micrograms/ml EYE DROPS SOLUTION?
The active ingredient in TONLIT 50 micrograms/ml EYE DROPS SOLUTION is latanoprost. This information helps identify medicines with the same composition but different brand names.
Who manufactures TONLIT 50 micrograms/ml EYE DROPS SOLUTION?
TONLIT 50 micrograms/ml EYE DROPS SOLUTION is manufactured by Laboratorios Salvat S.A.. Pharmacy brands and packaging may differ depending on the distributor.
Which doctors can assess the use of TONLIT 50 micrograms/ml EYE DROPS SOLUTION 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 TONLIT 50 micrograms/ml EYE DROPS SOLUTION 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 TONLIT 50 micrograms/ml EYE DROPS SOLUTION?
Other medicines with the same active substance (latanoprost) include CATIOLANZE 50 micrograms/ml EMULSION EYE DROPS, LATANEST 50 micrograms/ml eye drops solution, LATANOPROST AUROVITAS 50 micrograms/ml EYE DROPS SOLUTION. 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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