Background pattern
Normalac

Normalac

Ask a doctor about a prescription for Normalac

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 Normalac

1. What is Normalac and what is it used for

The medicine contains the active substance lactulose, which is a synthetic disaccharide that is not broken down in the small intestine. Lactulose reaches the large intestine unchanged, where it is broken down by bacteria into carbon dioxide and low-molecular-weight organic acids (such as lactic acid, acetic acid, and formic acid).
These acids cause:

  • a decrease in pH in the large intestine, thereby increasing acidity, which has a significant impact on many metabolic processes and the balance of the intestinal flora;
  • a natural regulation of bowel movements, by increasing the water content in the stool.

Indications for use:

  • hepatic encephalopathy (neuropsychiatric disorders caused by liver damage, especially liver cirrhosis);
  • constipation (regulation of bowel movements).

2. Important information before taking Normalac

When not to take Normalac

  • if the patient is allergic to the active substance or any of the other ingredients of this medicine (listed in section 6);
  • if the patient has galactosemia (a congenital disorder of sugar metabolism - inability to convert galactose to glucose);
  • if the patient has intestinal obstruction (severe crampy abdominal pain, vomiting, bloating, the patient does not pass gas or stool);
  • if the patient has acute inflammatory bowel diseases, including ulcerative colitis and proctitis, Crohn's disease (characterized by chronic diarrhea).

Warnings and precautions

  • Normalac should not be taken if abdominal pain, nausea, and vomiting occur.
  • Before taking Normalac, the patient should tell their doctor: if they have persistent constipation,
  • if they have diabetes (see section: The medicine contains lactose monohydrate, galactose, fructose).

In case of long-term use of Normalac, the patient should contact their doctor, who may prescribe a blood test (electrolyte level determination).
Children
In special cases, the doctor may prescribe Normalac for use in children, infants, or newborns. Normalac can be given to infants and young children only on the advice of a doctor, as it may disrupt the natural bowel movement reflex.
In such cases, treatment will be closely monitored by the doctor.

Normalac and other medicines

The patient should tell their pharmacist or doctor about all medicines they are currently taking or have recently taken, as well as any medicines they plan to take.
Before taking Normalac, the patient should inform their doctor if they are taking:

  • neomycin (an antibiotic used to treat infections);
  • digoxin (a medicine used to treat heart failure and heart rhythm disorders), as Normalac may increase its toxic effects, especially if taken in large doses;
  • laxatives, as they should not be taken at the same time as Normalac.

Pregnancy, breastfeeding, and fertility

If the patient is pregnant or breastfeeding, thinks they may be pregnant, or plans to have a child, they should consult their doctor or pharmacist before taking this medicine.
No adequate studies have been conducted on the safety of using the medicine during pregnancy and breastfeeding, so the patient should consult their doctor or pharmacist before taking the medicine.

Driving and using machines

Normalac has no effect on the ability to drive vehicles or operate machinery.

Normalac contains lactose monohydrate, galactose, fructose

If the patient has previously been diagnosed with intolerance to some sugars, they should consult their doctor before taking the medicine.
3.How to take Normalac
This medicine should always be taken exactly as described in the patient leaflet or as directed by a doctor or pharmacist. If in doubt, the patient should consult their doctor or pharmacist.
The medicine should be taken orally, with water, fruit juices, or milk. A single dose should be swallowed without being held in the mouth for too long.
During the use of laxatives, it is recommended to drink a large amount of fluids (about 1.5-2 liters/day, i.e., 6-8 glasses).

Recommended dose

Hepatic encephalopathy (only in adults)
Initial dose: 3-4 times a day, 30-45 ml.
The dose may be adjusted to a maintenance dose to achieve a soft stool 2-3 times a day.
Use in children:
There are no available data on the use of Normalac in children (under 18 years) with hepatic encephalopathy.
Constipation

Initial daily doseMaintenance daily dose
Adults and adolescents15-45 ml15-30 ml
Children (7-14 years)15 ml10-15 ml
Children (1-6 years)5-10 ml5-10 ml
Infants (under 1 year)up to 5 mlup to 5 ml

The medicine can be taken in a single daily dose or in two divided doses. In the case of a single daily dose, it should be taken at the same time, e.g., during breakfast.
After a few days, the initial dose may be adjusted to a maintenance dose based on the response to treatment. The therapeutic effect may occur after a few days (2-3 days) of treatment.
Use in children:
Laxatives in children, infants, and newborns should be used in special cases and under medical supervision, as they may disrupt the natural bowel movement reflex.
Normalac should not be given to children (under 14 years) without consulting a doctor, who will prescribe the medicine and ensure treatment supervision.
To measure the dose of the medicine, the measuring cup provided with the packaging should be used.
Elderly patients and patients with renal and hepatic impairment:
There are no special dosage recommendations.

Taking a higher dose of Normalac than recommended

In case of taking a higher dose of Normalac than recommended, the patient should contact their doctor.
Overdose of the medicine may cause osmotic diarrhea (caused by absorption disorders) and crampy abdominal pain. These symptoms will resolve after discontinuation of the medicine.

Missing a dose of Normalac

The patient should continue taking the medicine, without increasing the next dose.
The patient should not take a double dose to make up for a missed dose.
If the patient has any further doubts about taking this medicine, they should consult their doctor or pharmacist.

4. Possible side effects

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

The following side effects may occur.

Common(occurring in 1 to 10 people in 100):

  • excessive gas, abdominal pain, diarrhea, bloating,especially when the medicine is taken in large doses.

Frequency not known:

  • electrolyte imbalances(sodium, potassium) caused by diarrhea. In such cases, the patient should contact their doctor (see section: Warnings and precautions).
  • allergic reactions, rash, itching, urticaria.

Reporting side effects

If the patient experiences any side effects, including any side effects not listed in the leaflet, they should inform their doctor or pharmacist.
Side effects can be reported directly to the Department of Monitoring of Adverse Reactions to Medicinal Products of the Office for Registration of Medicinal Products, Medical Devices, and Biocidal Products
Al. Jerozolimskie 181C, 02-222 Warsaw
tel.: + 48 22 49 21 301; fax: + 48 22 49 21 309. Website: https://smz.ezdrowie.gov.pl.
Side effects can also be reported to the marketing authorization holder.
By reporting side effects, more information can be collected on the safety of the medicine.

5. How to store Normalac

The medicine should be stored out of sight and reach of children. Store in a temperature below 25°C.
Storing the medicine at low temperatures may cause it to thicken. After warming up, the consistency of the medicine will return to its original state.
Any darkening of the solution does not affect the therapeutic properties.
The medicine should not be used after the expiration date stated on the packaging. The expiration date is the last day of the specified month.
Medicines should not be disposed of via wastewater or household waste containers. The patient should ask their pharmacist how to dispose of medicines that are no longer needed. This will help protect the environment.

6. Package contents and other information

What Normalac contains

  • The active substance of the medicine is lactulose. 15 ml of syrup contains 10.0 g of lactulose and small amounts of lactose monohydrate (1.0 g). The medicine contains trace amounts of other sugars (galactose 1.5 g, tagatose 0.4 g, fructose 0.1 g, epilactose 1.0 g).
  • Other ingredients are: citric acid monohydrate, vanilla flavor N.7-bis, purified water.

What Normalac looks like and what the package contains

The medicine is a yellow syrup with a sweet taste.
Medicine packaging:

  • a brown glass bottle containing 150 ml of medicine, with an aluminum cap and a polyethylene seal, placed in a cardboard box with a patient leaflet and a PP measuring cup,
  • a PET bottle containing 200 ml of medicine, with an HPDE cap, placed in a cardboard box with a patient leaflet and a PP measuring cup.

Marketing authorization holder and manufacturer:

  • L. Molteni & C. dei F.lli Alitti Società di Esercizio S.p.A., Strada Statale 67, Località Granatieri, 50018 Scandicci (Florence), Italy

To obtain more detailed information about this medicine, the patient should contact the representative of the marketing authorization holder:
Molteni Farmaceutici Polska Sp. z o.o.
ul. Józefa Korzeniowskiego 39,
30-214 Kraków,
Tel.: (12) 653 15 71 or 653 15 72

Date of last revision of the leaflet: 04/2022

Alternatives to Normalac in other countries

The best alternatives with the same active ingredient and therapeutic effect.

Alternative to Normalac in Ukraine

Dosage form: syrup, 667 mg/ml; 250 ml or 500 ml in a bottle
Active substance: lactulose
Prescription not required
Dosage form: syrup, 667 mg/ml
Active substance: lactulose
Dosage form: syrup, 670 mg/ml in 100 ml bottle
Active substance: lactulose
Dosage form: syrup, 10 g/15 ml in 200 ml bottle
Active substance: lactulose
Prescription not required
Dosage form: syrup, 667.0 mg/ml in 180 ml bottle
Active substance: lactulose
Manufacturer: ABC Farmaceutici S.p.A
Prescription not required

Alternative to Normalac in Spain

Dosage form: ORAL SOLUTION/SUSPENSION, 0.67 g lactulose/ml
Active substance: lactulose
Manufacturer: Lainco S.A.
Prescription required
Dosage form: ORAL SOLUTION/SUSPENSION, 0.67 g lactulose/ml
Active substance: lactulose
Manufacturer: Lainco S.A.
Prescription required
Dosage form: ORAL SOLUTION/SUSPENSION, 10 g lactulose/ 15 ml
Active substance: lactulose
Prescription required
Dosage form: ORAL SOLUTION/SUSPENSION, 10 g lactulose
Active substance: lactulose
Prescription required
Dosage form: ORAL SOLUTION/SUSPENSION, -
Active substance: mineral salts in combination
Prescription not required
Dosage form: EFFERVSCENT ORAL SOLUTION/SUSPENSION, 80 mg / 400 mg / 20 mg / 450 mg
Active substance: mineral salts in combination
Prescription not required

Online doctors for Normalac

Discuss dosage, side effects, interactions, contraindications, and prescription renewal for Normalac – subject to medical assessment and local rules.

0.0(0)
Doctor

Abdullah Alhasan

General medicine10 years of experience

Dr. Abdullah Alhasan is a physician specialising in cardiology and general medicine, with international clinical experience and a commitment to evidence-based care. He offers online consultations for adults, focusing on both acute symptoms and long-term health management.

Main areas of consultation:

  • Chest pain, shortness of breath, heart palpitations, high blood pressure
  • Hypertension control and cardiovascular disease prevention
  • Interpretation of ECG, blood tests, and Holter monitor results
  • Management of heart failure and coronary artery disease
  • General medical issues: infections, fever, fatigue, gastrointestinal symptoms
  • Guidance on diagnostics, treatment plans, and medication adjustments
Dr. Alhasan’s approach is based on thorough assessment, clear communication, and personalised care – helping patients understand their health and make informed decisions about their treatment.
CameraBook a video appointment
€69
Today05:20
Today05:35
Today05:50
Today06:05
Today06:20
More times
5.0(1)
Doctor

Ngozi Precious Okwuosa

General medicine5 years of experience

Dr. Ngozi Precious Okwuosa is a Primary Care Physician with over 5 years of clinical experience in Hungary, Sweden, and Nigeria. A graduate of the University of Szeged (cum laude), she offers online consultations for adults in the areas of internal medicine, women’s health, and postoperative care.

Key areas of consultation:

  • Preventive and family medicine
  • Women’s health, including gynaecology and obstetrics
  • Chronic disease management: hypertension, diabetes, and more
  • Mental health support, anxiety, and counselling
  • Postoperative care and lab test interpretation
She has conducted research on the genetic background of stroke and is skilled in communicating with patients from diverse cultural backgrounds. Her approach combines clinical expertise with empathy and clear communication.
CameraBook a video appointment
€60
Today05:20
Today06:10
Today07:00
Today07:50
Today08:40
More times
5.0(15)
Doctor

Taisiya Minorskaya

Family medicine12 years of experience

Dr Taisiya Minorskaya is a family medicine doctor with an official licence to practise in Spain and over 12 years of clinical experience. She provides online consultations for adults and children, combining evidence-based medicine with a personalised, modern European approach.

She helps with:

  • Viral infections and cold symptoms (flu, sore throat, cough, runny nose)
  • Review and adjustment of antibiotics
  • Skin rashes and allergic reactions
  • Chronic condition flare-ups, high blood pressure, headaches, fatigue
  • Lab and test interpretation
  • Medication review and adaptation to European standards
  • Patient navigation: what tests are needed, which specialists to see, when an in-person visit is required
Dr Minorskaya also specialises in the diagnosis and management of gastrointestinal conditions, including bloating, abdominal pain, chronic nausea, IBS, and SIBO. She supports patients with unexplained physical symptoms that may be linked to somatisation or stress, helping them find relief and improve quality of life.

She offers care for people undergoing GLP-1 therapy (Ozempic, Mounjaro, and others) for weight management. Her support follows Spanish clinical guidelines, from treatment planning and side effect counselling to regular follow-ups and coordination with private or public healthcare providers.

CameraBook a video appointment
€65
Today08:00
Today08:30
Today09:30
Today10:00
Today10:30
More times
5.0(11)
Doctor

Dmytro Horobets

Family medicine6 years of experience

Dr. Dmytro Horobets is a licensed family medicine physician in Poland, specialising in endocrinology, diabetology, obesity management, gastroenterology, pediatrics, general surgery, and pain medicine. He offers online consultations for adults and children, providing personalised medical support for a wide range of acute and chronic health concerns.

Areas of expertise:

  • Endocrinology: diabetes type 1 and type 2, prediabetes, thyroid disorders, metabolic syndrome, hormonal imbalance.
  • Obesity medicine: structured weight management plans, nutritional counselling, obesity-related health risks.
  • Gastroenterology: acid reflux (GERD), gastritis, irritable bowel syndrome (IBS), liver and biliary conditions.
  • Pediatric care: infections, respiratory symptoms, digestive issues, growth and development monitoring.
  • General surgery support: pre- and post-surgical consultations, wound care, rehabilitation.
  • Pain management: chronic and acute pain, back pain, joint pain, post-traumatic pain syndromes.
  • Cardiovascular health: hypertension, cholesterol control, risk assessment for heart disease.
  • Preventive medicine: regular check-ups, health screenings, long-term management of chronic conditions.

Dr. Horobets combines evidence-based medicine with a patient-centred approach. He carefully evaluates each patient’s medical history and symptoms, offering clear explanations and structured treatment plans adapted to individual needs.

Whether you need help managing diabetes, tackling weight-related health issues, interpreting lab results, or receiving general family medicine support, Dr. Horobets provides professional online care tailored to your specific health goals.

CameraBook a video appointment
€60
Today09:00
Today09:30
November 809:00
November 809:30
November 1509:00
More times
5.0(30)
Doctor

Nuno Tavares Lopes

Family medicine17 years of experience

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. He offers online consultations in Portuguese, English, and Spanish — combining global expertise with a patient-centred, evidence-based approach.

  • 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. 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.
CameraBook a video appointment
€59
Today09:00
Today09:20
Today09:40
Today10:00
Today10:20
More times
5.0(10)
Doctor

Duarte Meneses

Family medicine4 years of experience

Dr. Duarte Meneses is a licensed family medicine and general practice doctor based in Portugal, with additional expertise in occupational health. He provides online consultations for adults, offering medical support for both acute symptoms and chronic health conditions.

  • Common symptoms such as fever, sore throat, cough, fatigue, or digestive issues
  • Chronic conditions including hypertension, diabetes, high cholesterol, and thyroid problems
  • Mental health concerns such as stress, sleep issues, anxiety, and burnout
  • Preventive care: health check-ups, lifestyle advice, and follow-up for existing conditions
  • Work-related health questions, sick leave documentation, and medical guidance for returning to work
Dr. Meneses graduated from the University of Beira Interior and has years of experience working with diverse patient populations. He is fluent in Portuguese, English, Spanish, and French.

His approach is friendly, clear, and focused on delivering practical medical advice tailored to each patient’s needs.

CameraBook a video appointment
€65
Today09:00
Today09:25
Today09:50
Today10:15
Today10:40
More times
0.0(3)
Doctor

Svetlana Kovalenko

Family medicine14 years of experience

Dr Svetlana Kovalenko is a family medicine doctor with over 14 years of experience and a medical degree from Kharkiv National Medical University. She offers online consultations for adults, supporting patients with both acute and chronic conditions, preventive care, and personalised medical advice.

What patients commonly consult her for:

  • High blood pressure, type 2 diabetes, cholesterol management
  • Cold and flu symptoms: fever, cough, sore throat
  • Fatigue, sleep problems, headaches, general discomfort
  • Ongoing care for chronic conditions and medication review
  • Help interpreting test results and lab reports
  • Preventive check-ups and advice on healthy lifestyle habits

Dr Kovalenko combines evidence-based practice with a respectful, patient-centred approach. She takes time to explain, listens attentively, and helps each person make confident, informed decisions about their health.

CameraBook a video appointment
€55
Today09:00
Today09:25
Today09:50
Today10:15
Today10:40
More times
5.0(17)
Doctor

Sergio Correa

General medicine7 years of experience

Dr. Sergio Correa is a licensed general practitioner, aesthetic medicine specialist, and trichologist with experience in emergency care and preventive health. He offers online consultations in English and Spanish, supporting adult patients with a wide range of medical concerns – from acute symptoms to chronic condition management.

His areas of focus include:

  • General and urgent care: fever, fatigue, infections, digestive issues, respiratory symptoms, and other common concerns
  • Chronic condition support: hypertension, high cholesterol, diabetes, thyroid issues
  • Aesthetic medicine and dermatology: acne, skin ageing, hyperpigmentation, personalised skincare guidance
  • Trichology: hair loss, scalp conditions, treatment strategies for men and women
  • Preventive care: health check-ups, lifestyle advice, second opinions

Dr. Correa combines medical knowledge with an aesthetic and holistic approach to help patients improve both health and quality of life.

CameraBook a video appointment
€40
Today13:00
Today14:00
Today15:00
Today16:00
November 213:00
More times
5.0(14)
Doctor

Jonathan Marshall Ben Ami

Family medicine8 years of experience

Dr. Jonathan Marshall Ben Ami is a licensed family medicine doctor in Spain. He provides comprehensive care for adults and children, combining general medicine with emergency care expertise to address both acute and chronic health concerns.

Dr. Ben Ami offers expert diagnosis, treatment, and follow-up for:

  • Respiratory infections (cold, flu, bronchitis, pneumonia).
  • ENT conditions such as sinusitis, ear infections, and tonsillitis.
  • Digestive issues including gastritis, acid reflux, and irritable bowel syndrome (IBS).
  • Urinary tract infections and other common infections.
  • Management of chronic diseases: high blood pressure, diabetes, thyroid disorders.
  • Acute conditions requiring urgent medical attention.
  • Headaches, migraines, and minor injuries.
  • Wound care, health check-ups, and ongoing prescriptions.

With a patient-focused and evidence-based approach, Dr. Ben Ami supports individuals at all stages of life — offering clear medical guidance, timely interventions, and continuity of care.

CameraBook a video appointment
€55
Today13:30
Today14:15
Today15:00
November 813:30
November 814:15
More times
0.0(1)
Doctor

Khrystyna Habrykevych

Gastroenterology6 years of experience

Dr Khrystyna Habrykevych is a gastroenterologist providing online consultations for adults with digestive and abdominal health concerns. She helps patients understand the causes of their symptoms, interpret test results, and choose appropriate next steps – whether it’s further investigation, treatment, or lifestyle adjustments.

Common reasons for consultation include:

  • abdominal pain, cramps, discomfort, painful bowel movements
  • heartburn, acid reflux, burping, bitter taste in the mouth
  • bloating, excessive gas, nausea or vomiting
  • diarrhoea, constipation, difficulty passing stool
  • unexplained changes in weight or appetite
  • concern about gut health or long-term digestive issues
  • changes in lab results, questions about test interpretation
  • digestive system cancer screening and prevention
  • general digestive check-ups and health assessments
Dr Habrykevych follows evidence-based medical standards and adapts each consultation to the patient’s individual situation. The online format allows for timely medical support without the need for an in-person visit.
CameraBook a video appointment
€60
November 206:00
November 906:00
November 1606:00
November 2306:00
November 3006:00
More times

Get updates and exclusive offers

Be the first to know about new services, marketplace updates, and subscriber-only promos.

Follow us on social media
FacebookInstagram
Logo
Oladoctor
Find a doctor
Doctors by specialty
Services
Choose language
© 2025 Oladoctor. All rights reserved.
VisaMastercardStripe