Skip to main content


Active substance(s): INDAPAMIDE

PDF Transcript

Natrilix® SR 1.5mg Tablets
Your medicine is known by one of the above name, but will be referred to as
Natrilix SR throughout this:
Patient Information Leaflet
Read all of this leaflet carefully before you start taking 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. It may harm them, even if their signs of illness are the same as
• If you get any side effects, talk to your doctor or pharmacist. This
includes any possible side effects not listed in this leaflet. See section 4.
What is in this leaflet:
1) What Natrilix SR is and what it is used for
2) What you need to know before you take Natrilix SR
3) How to take Natrilix SR
4) Possible side effects
5) How to store Natrilix SR
6) Contents of the pack and other information

1) What Natrilix SR is and what it is used for
Natrilix SR is a prolonged-release film-coated tablet containing indapamide
as active ingredient.
Indapamide is a diuretic. Most diuretics increase the amount of urine
produced by the kidneys. However, indapamide is different from other
diuretics, as it only causes a slight increase in the amount of urine
This medicine is intended to reduce high blood pressure (hypertension) in

2) What you need to know before you take Natrilix SR
Do not take Natrilix SR:
• if you are allergic to indapamide or any other sulfonamide or to any of the
other ingredients of this medicine (listed in section 6),
• if you have severe kidney disease,
• if you have severe liver disease or suffer from a condition called hepatic
encephalopathy (degenerative disease of the brain),
• if you have low potassium levels in your blood.
Warnings and precautions:
Talk to your doctor or pharmacist before taking Natrilix SR:
• if you have liver problems,
• if you have diabetes,
• if you suffer from gout,
• if you have any heart rhythm problems or problems with your kidneys,
• if you need to have a test to check how well your parathyroid gland is
You should tell your doctor if you had photosensitivity reactions.
Your doctor may give you blood tests to check for low sodium or potassium
levels or high calcium levels.
If you think any of these situations may apply to you or you have any
questions or doubts about taking your medicine, you should consult your
doctor or pharmacist.
Athletes should be aware that this medicine contains an active ingredient,
which may give a positive reaction in doping tests.
Other medicines and Natrilix SR:
Tell your doctor or pharmacist if you are taking, have recently taken or
might take any other medicines.
You should not take Natrilix SR with lithium (used to treat depression) due
to the risk of increased levels of lithium in the blood.
Make sure to tell your doctor if you are taking any of the following
medicines, as special care may be required:

• medicines used for heart rhythm problems (e.g. quinidine, hydroquinidine,
disopyramide, amiodarone, sotalol, ibutilide, dofetilide, digitalis),
• medicines used to treat mental disorders such as depression, anxiety,
schizophrenia… (e.g. tricyclic antidepressants, antipsychotic drugs,
• bepridil (used to treat angina pectoris, a condition causing chest pain),
• cisapride (used to treat reduced movement of the gullet and stomach),
• diphemanil (used to treat gastro-intestinal problems),
• sparfloxacin, moxifloxacin, erythromycin by injection (antibiotics used to
treat infections),
• vincamine by injection (used to treat symptomatic cognitive disorders in
elderly including memory loss),
• halofantrine (antiparasitic drug used to treat certain types of malaria),
• pentamidine (used to treat certain types of pneumonia),
• mizolastine (used to treat allergic reactions, such as hay fever),
• non-steroidal anti-inflammatory drugs for pain relief (e.g. ibuprofen) or
high doses of acetylsalicylic acid,
• angiotensin converting enzyme (ACE) inhibitors (used to treat high blood
pressure and heart failure),
• amphotericin B by injection (anti-fungal medicines),
• oral corticosteroids used to treat various conditions including severe
asthma and rheumatoid arthritis,
• stimulant laxatives,
• baclofen (to treat muscle stiffness occurring in diseases such as multiple
• potassium-sparing diuretics (amiloride, spironolactone, triamterene),
• metformin (to treat diabetes),
• iodinated contrast media (used for tests involving X-rays),
• calcium tablets or other calcium supplements,
• ciclosporin, tacrolimus or other medicines to depress the immune system
after organ transplantation, to treat autoimmune diseases, or severe
rheumatic or dermatological diseases,
• tetracosactide (to treat Crohn’s disease).
Pregnancy and breast-feeding:
If you are pregnant or breast-feeding, think you may be pregnant or are
planning to have a baby, ask your doctor or pharmacist for advice before
taking any medicine.
This medicine is not recommended during pregnancy. When a pregnancy is
planned or confirmed, the switch to an alternative treatment should be
initiated as soon as possible.
Please tell your doctor if you are pregnant or wish to become pregnant.
The active ingredient is excreted in milk. Breast-feeding is not advisable if
you are taking this medicine.
Driving and using machines:
This medicine can cause side effects such as dizziness or tiredness due to
lowering of the blood pressure (see section 4). These side effects are more
likely to occur after initiation of the treatment and after dose increases. If
this occurs, you should refrain from driving and other activities requiring
alertness. However, under good control, these side effects are unlikely to
Natrilix SR contains lactose monohydrate.
If you have been told by your doctor that you have an intolerance to some
sugars, contact your doctor before taking this medicinal product.

3) How to take Natrilix SR
Always take this medicine exactly as your doctor or pharmacist has told
you. Check with your doctor or pharmacist if you are not sure. The
recommended dose is one tablet each day, preferably in the morning.
The tablets can be taken irrespective of meals. They should be swallowed
whole with water. Do not crush or chew them. Treatment for high blood
pressure is usually life-long.

If you take more Natrilix SR than you should:
If you have taken too many tablets, contact your doctor or pharmacist
A very large dose of Natrilix SR could cause nausea (feeling sick), vomiting,
low blood pressure, cramps, dizziness, drowsiness, confusion and changes
in the amount of urine produced by the kidneys.
If you forget to take Natrilix SR:
If you forget to take a dose of your medicine, take the next dose at the usual
time. Do not take a double dose to make up for a forgotten dose.
If you stop taking Natrilix SR:
As the treatment for high blood pressure is usually life-long, you should
discuss with your doctor before stopping this medicinal product.
If you have any further questions on the use of this medicine, ask your
doctor or pharmacist.

4) Possible side effects
Like all medicines, this medicine can cause side effects, although not
everybody gets them.
Stop taking the medicinal product and see a doctor immediately, if you
experience any of the following side effects:
• Angioedema and/or urticaria. Angioedema is characterised by swelling of
the skin of extremities or face, swelling of the lips or tongue, swelling of
the mucous membranes of the throat or airways resulting in shortness of
breath or difficulty of swallowing. If this occurs, contact your doctor
(Very rare) (may affect up to 1 in 10,000 people)
• Severe skin reactions including intense skin rash, reddening of the skin
over your whole body, severe itching, blistering, peeling and swelling of
the skin, inflammation of mucous membranes (Stevens Johnson
Syndrome) or other allergic reactions, (Very rare) (may affect up to 1 in
10,000 people)
• Life-threatening irregular beat. (Not known)
• Inflamed pancreas which may cause severe abdominal and back pain
accompanied with feeling very unwell (Very rare) (may affect up to 1 in
10,000 people)
• Disease of the brain caused by liver illness (Hepatic encephalopathy) (Not
• Inflammation of the liver (Hepatitis) (Not known)
In decreasing order of frequency, other side effects can include:
Common (may affect up to 1 in 10 people):
• Red raised skin rash;
• Allergic reactions, mainly dermatological, in subjects with a predisposition
to allergic and asthmatic reactions.
Uncommon (may affect up to 1 in 100 people):
• Vomiting;
• Red pinpoints on skin (Purpura).
Rare (may affect up to 1 in 1000 people);
• Feeling of tiredness, headache, pins and needles (paraesthesia), vertigo;
• Gastro-intestinal disorders (such as nausea, constipation), dry mouth.

Very rare (may affect up to 1 in 10,000 people):
Changes in blood cells, such as thrombocytopenia (decrease in the
number of platelets which causes easy bruising and nasal bleeding),
leucopenia (decrease of white blood cells which may cause unexplained
fever, soreness of the throat or other flu-like symptoms – if this occurs,
contact your doctor) and anaemia (decrease in red blood cells);
High level of calcium in blood;
Heart rhythm irregularities (causing palpitations, feeling of the heart
pounding), low blood pressure;
Kidney disease (causing symptoms of tiredness, increased need to
urinate, itchy skin, feeling sick, swollen extremities);
Abnormal hepatic function.

Not known:
• Fainting.

• If you suffer from systemic lupus erythematosus (a disorder of the
immune system leading to inflammation and damage to the joints,
tendons and organs with symptoms including skin rashes, tiredness, loss
of appetite, weight gain and joint pain), this might get worse.
• Cases of photosensitivity reactions (change in skin appearance) after
exposure to the sun or artificial UVA have also been reported.
• Short sightedness (myopia).
• Blurred vision.
• Visual impairment.
• Changes may occur in your blood and your doctor may need to give you
blood tests to check your condition. The following changes in laboratory
parameters may occur:

low potassium in the blood,

low sodium in the blood that may lead to dehydration and low blood

increase in uric acid, a substance which may cause or worsen gout
(painful joint(s) especially in the feet),

increase in blood glucose levels in diabetic patients,

increased levels of liver enzymes,
• Abnormal ECG heart tracing.
Reporting of side effects
If you get any side effects, talk to your doctor, pharmacist or nurse. This
includes any possible side effects not listed in this leaflet. You can also
report side effects directly via the Yellow Card Scheme at: By reporting side effects you can help
provide more information on the safety of this medicine.

5) How to store Natrilix SR
• Keep all medicines out of the sight and reach of children.
• Do not use this medicine after the expiry date printed on the carton and
blister label.
• If your doctor tells you to stop taking these tablets, please take it back to
the pharmacist for safe disposal. Only keep it if your doctor tells you to.
• Do not throw them away with your normal household water or waste. This
will help to protect the environment.
• If the tablets become discoloured or shows any other signs of
deterioration, you should seek the advice of your pharmacist who will tell
you what to do.

6) Further information
What Natrilix SR contains:
The active substance is indapamide. Each film-coated tablet contains 1.5
mg of indapamide in a prolonged release formulation as the active
In addition, the tablet contains a number of inactive ingredients. These are
necessary to add bulk and consistency to medicines. They improve the
packaging, storage and handling characteristics of the tablets and make
them easier to use.
The inactive ingredients include: lactose, hypromellose, povidone,
anhydrous colloidal silica, magnesium stearate, titanium dioxide (E171),
glycerol and Macrogol 6000.
What Natrilix SR looks like and contents of the pack
The tablets are White, round, convex, film-coated, tablets with no markings.
Natrilix® SR 1.5mg Tablets are available in pack sizes of 30 tablets
PL 10383/1750

Natrilix® SR 1.5mg Tablets


Who makes and repackages your medicine?
Your medicine is manufactured by Anpharm Przedsiebiorstwo
Farmaceutyczne Spolka Akcyjna Warszawa Poland. Procured from within
the EU and repackaged by Product Licence Holder Primecrown Ltd, 4/5
Northolt Trading Estate, Belvue Road, Northolt, Middlesex, UB5 5QS.
Leaflet date: 22.07.2016
Natrilix is a registered trademark holder of BIOFARMA, France.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.