Active substance: LOSARTAN POTASSIUM

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(losartan potassium / hydrochlorothiazide)
Your medicine is called Cozaar-Comp 100/25mg Tablets but will be
referred to as Cozaar Comp throughout the following leaflet.
Information for other strengths of Cozaar-Comp also may be present
in this leaflet.
Read all of this leaflet carefully before taking this medicine
because it contains important information for you.

if you have had gout

if you have or have had an allergic condition, asthma or a
condition that causes joint pain, skin rashes and fever (systemic
lupus erythematodus)

if you have high calcium or low potassium levels or you are on a
low potassium diet

if you need to have an anaesthetic (even at the dentist) or
before surgery, or if you are going to have tests to check your
parathyroid function, you must tell the doctor or medical staff
that you are taking losartan potassium and hydrochlorothiazide


if you are diabetic

S1109-10 LEAFLET Cozaar 20121204

if you suffer from primary hyperaldosteronism (a syndrome
associated with increased secretion of the hormone aldosterone
by the adrenal gland, caused by an abnormality within the

Keep this leaflet. You may need to read it again.

If you have any further questions, ask your doctor, pharmacist or

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 yours.

Children and adolescents

If you get any side effects, talk to your doctor, pharmacist or
nurse. This includes any possible side effects not listed in this

Other medicines and Cozaar Comp

What is in this leaflet:

Tell your doctor or pharmacist if you are taking, have recently taken
or might take any other medicines.
Diuretic agents such as the hydrochlorothiazide contained in Cozaar
Comp may interact with other medicines.

1. What Cozaar Comp is and what it is used for
2. What you need to know before you take Cozaar Comp

Preparations containing lithium should not be taken with Cozaar
Comp without close supervision by your doctor.

3. How to take Cozaar Comp
4. Possible side effects
5. How to store Cozaar Comp
6. Contents of the pack and other information
Cozaar Comp is a combination of an angiotensin II receptor
antagonist (losartan) and a diuretic (hydrochlorothiazide).
Angiotensin II is a substance produced in the body which binds to
receptors in blood vessels, causing them to tighten. This results in
an increase in blood pressure. Losartan prevents the binding of
angiotensin II to these receptors, causing the blood vessels to relax
which in turn lowers the blood pressure. Hydrochlorothiazide works
by making the kidneys pass more water and salt. This also helps to
reduce blood pressure.
Cozaar Comp is indicated for
hypertension (high blood pressure).

There is no experience with the use of Cozaar Comp in children.
Therefore, Cozaar Comp should not be given to children.





Do not take Cozaar Comp

if you are allergic to losartan, hydrochlorothiazide or to any of
the other ingredients of this medicine (listed in section 6)

if you are allergic to other sulfonamide‑derived substances (e.g.
other thiazides, some antibacterial drugs such as
co‑trimoxazole, ask your doctor if you are not sure)

Special precautionary measures (e.g. blood tests) may be
appropriate if you take potassium supplements,
potassium‑containing salt substitutes or potassium‑sparing
medicines, other diuretics (“water tablets”), some laxatives,
medicines for the treatment of gout, medicines to control heart
rhythm or for diabetes (oral agents or insulins).
It is also important for your doctor to know if you are taking

other medicines to reduce your blood pressure


medicines to treat cancer

pain killers

drugs for treatment of fungal infections

arthritis medicines

resins used for high cholesterol, such as cholestyramine

medicines which relax your muscles

sleeping tablets

opioid medicines such as morphine

‘pressor amines’ such as adrenaline or other drugs from the
same group

oral agents for diabetes or insulins.

Please also inform your doctor if you are taking Cozaar Comp and
you will be undergoing a radiographic procedure and will be given
iodine contrast media.
Cozaar Comp with food and drink

if you have severely impaired liver function

if you have low potassium, low sodium or high calcium levels
which cannot be corrected by treatment

if you are suffering from gout

You are advised not to drink alcohol whilst taking these tablets:
alcohol and Cozaar Comp tablets may increase each other’s effects.

if you are more than 3 months pregnant. (It is also better to
avoid Cozaar Comp in early pregnancy – see Pregnancy

Dietary salt in excessive quantities may counteract the effect of
Cozaar Comp tablets.

if you have severely impaired kidney function or your kidneys
are not producing any urine.

Cozaar Comp tablets may be taken with or without food.
Pregnancy and breast-feeding

Warnings and precautions


Talk to your doctor, pharmacist or nurse before taking Cozaar
You must tell your doctor if you think you are (or might become)
pregnant. Cozaar Comp is not recommended in early pregnancy,
and must not be taken if you are more than 3 months pregnant, as it
may cause serious harm to your baby if used at that stage (see
pregnancy section).

You must tell your doctor if you think you are (or might become)
pregnant. Your doctor will normally advise you to stop taking Cozaar
Comp before you become pregnant or as soon as you know you are
pregnant and will advise you to take another medicine instead of
Cozaar Comp. Cozaar Comp is not recommended during
pregnancy, and must not be taken when more than 3 months
pregnant, as it may cause serious harm to your baby if used after
the third month of pregnancy.

It is important to tell your doctor before taking Cozaar Comp:


if you have previously suffered from swelling of the face, lips,
throat or tongue

if you take diuretics (water pills)

if you are on a salt‑restricted diet

if you have or have had severe vomiting and/or diarrhoea

if you have heart failure

if your liver function is impaired (see section 2 “Do not take
Cozaar Comp”)

if you have narrow arteries to your kidneys (renal artery
stenosis) or only have one functioning kidney, or you have
recently had a kidney transplant

if you have narrowing of the arteries (atherosclerosis), angina
pectoris (chest pain due to poor heart function)

if you have ‘aortic or mitral valve stenosis’ (narrowing of the
valves of the heart) or ‘hypertrophic cardiomyopathy’ (a disease
causing thickening of heart muscle)

Tell your doctor if you are breast-feeding or about to start breastfeeding. Cozaar Comp is not recommended for mothers who are
breast-feeding, and your doctor may choose another treatment for
you if you wish to breast-feed.
Use in elderly patients
Cozaar Comp works equally well in and is equally well tolerated by
most older and younger adult patients. Most older patients require
the same dose as younger patients.
Driving and using machines
When you begin treatment with this medication, you should not
perform tasks which may require special attention (for example,
driving an automobile or operating dangerous machinery) until you
know how you tolerate your medicine.
Cozaar Comp contains lactose
If you have been told by your doctor that you have an intolerance to
some sugars, contact your doctor before taking this medicinal

Always take this medicine exactly as your doctor or pharmacist has
told you. Check with your doctor or pharmacist if you are not sure.
Your doctor will decide on the appropriate dose of Cozaar Comp
depending on your condition and whether you are taking other
medicines. It is important to continue taking Cozaar Comp for as
long as your doctor prescribes it in order to maintain smooth control
of your blood pressure.

Frequent urination including at night, abnormal kidney function
including inflammation of the kidneys, urinary tract infection,
sugar in the urine

Decreased sexual appetite, impotence

Swelling of the face, localised swelling (oedema), fever

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

Hepatitis (inflammation of the liver), abnormal liver function tests

High Blood Pressure

Not known (frequency cannot be estimated from the available data):

The usual dose of Cozaar Comp for most patients with high blood
pressure is 1 tablet of Cozaar Comp 50 mg/12.5 mg per day to
control blood pressure over the 24‑hour period. This can be
increased to 2 tablets once daily of Losartan / Hydrochlorothiazide
50 mg/12.5 mg Film‑Coated Tablets or changed to 1 tablet daily of
Losartan / Hydrochlorothiazide 100 mg/25 mg Film‑Coated Tablets
(a stronger strength) per day. The maximum daily dose is 2 tablets
per day of Losartan / Hydrochlorothiazide 50 mg/12.5 mg
Film‑Coated Tablets or 1 tablet daily of Losartan /
Hydrochlorothiazide 100 mg/25 mg Film‑Coated Tablets

Flu-like symptoms

Unexplained muscle pain with dark (tea-colored) urine

Low levels of sodium in the blood (hyponatraemia)

Generally feeling unwell (malaise)

If you take more Cozaar Comp than you should
In case of an overdose, contact your doctor immediately so that
medical attention may be given promptly. Overdose can cause a
drop in blood pressure, palpitations, slow pulse, changes in blood
composition, and dehydration.
If you forget to take Cozaar Comp

If you get any side effects, talk to your doctor, pharmacist or nurse.
This includes any possible side effects not listed in this leaflet.


Do not use after the expiry date printed on the carton label or
blister strip.

Do not store above 30°C. Store in original package.

If your doctor tells you to stop using the medicine, please take it
back to the pharmacist for safe disposal. Only keep the
medicine if your doctor tells you to.

If the medicine becomes discoloured or shows any other signs
of deterioration, you should seek the advice of your pharmacist
who will tell you what to do.

Medicines should not be disposed of via wastewater or
household waste. Ask your pharmacist how to dispose of
medicines no longer required. These measures will help to
protect the environment.

Try to take Cozaar Comp daily as prescribed. However, if you miss
a dose, do not take an extra dose. Just resume your usual schedule.
Like all medicines, this medicine can cause side effects, although
not everybody gets them.
If you experience the following, stop taking Cozaar Comp tablets
and tell your doctor immediately or go to the casualty department of
your nearest hospital:
A severe allergic reaction (rash, itching, swelling of the face, lips,
mouth or throat that may cause difficulty in swallowing or breathing).
This is a serious but rare side effect, which affects more than 1 out
of 10,000 patients but fewer than 1 out of 1,000 patients. You may
need urgent medical attention or hospitalisation.
The following side effects have been reported:
Common (may affect up to 1 in 10 people):

Cough, upper airway infection, congestion in the nose, sinusitis,
sinus disorder

Diarrhoea, abdominal pain, nausea, indigestion

Muscle pain or cramps, leg pain, back pain

Insomnia, headache, dizziness

Weakness, tiredness, chest pain

Increased potassium levels (which can cause an abnormal heart
rhythm), decreased haemoglobin levels

Changes in kidney function including kidney failure

Too low sugar in the blood (hypoglycaemia)

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

What Cozaar Comp contains
 Each film-coated tablet contains 100mg of losartan potassium
(equivalent to 91.52mg of losartan) and 25mg of
 The other ingredients are: microcrystalline cellulose, lactose
monohydrate, pregelatinised starch, magnesium stearate,
hydroxypropylcellulose, hypromellose, titanium dioxide (E 171)
yellow lake (E104) and carnauba wax.
What Cozaar Comp looks like and contents of the pack
Cozaar Comp Tablets are oval, yellow tablets marked 747 on one
side and plain on the other.
Cozaar Comp is available as blister packs of 28 tablets.
Product Licence holder
Procured from within the EU and repackaged by the Product
Licence holder: S&M Medical Ltd, Chemilines House, Alperton
Lane, Wembley, HA0 1DX.

Anaemia, red or brownish spots on the skin (sometimes
especially on the feet, legs, arms and buttocks, with joint pain,
swelling of the hands and feet and stomach pain), bruising,
reduction in white blood cells, clotting problems, reduced
number of platelets

This product is manufactured by Merck Sharp & Dohme Ltd.,
Cramlington NE23 3JU, UK.

Loss of appetite, increased uric acid levels or frank gout,
increased blood sugar levels, abnormal blood electrolyte levels

Leaflet revision date: 04 December 2012

Anxiety, nervousness, panic disorder (recurring panic attacks),
confusion, depression, abnormal dreams, sleep disorders,
sleepiness, memory impairment

Pins and needles or similar sensations, pain in the extremities,
trembling, migraine, fainting

Blurred vision, burning or stinging in the eyes, conjunctivitis,
worsening eyesight, seeing things in yellow

Ringing, buzzing, roaring or clicking in the ears, vertigo

Low blood pressure, which may be associated with changes in
posture (feeling light-headed or weak when you stand up,
angina (chest pain), abnormal heartbeat, cerebrovascular
accident (TIA, “mini-stroke”), heart attack, palpitations

Inflammation of blood vessels, which is often associated with a
skin rash or bruising

Sore throat, breathlessness, bronchitis, pneumonia, water on
the lungs (which causes difficulty breathing), nosebleed, runny
nose, congestion

Constipation, obstipation, wind, stomach upsets, stomach
spasms, vomiting, dry mouth, inflammation of a salivary gland,

Jaundice (yellowing of the eyes and skin), inflammation of the

Hives, itching, inflammation of the skin, rash, redness of the
skin, sensitivity to light, dry skin, flushing, sweating, hair loss

Pain in the arms, shoulders, hips, knees or other joints, joint
swelling, stiffness, muscle weakness


PL No. 19488/1109
PL No. 19488/1110

Cozaar is a registered trade mark of E.I. du Pont de Nemours and
Company, USA.
S1109-10 LEAFLET Cozaar 20121204

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Source: Medicines and Healthcare Products Regulatory Agency

Disclaimer: Every effort has been made to ensure that the information provided here is accurate, up-to-date and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. This information has been compiled for use by healthcare practitioners and consumers in the United States. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate that the drug or combination is safe, effective or appropriate for any given patient. If you have questions about the substances you are taking, check with your doctor, nurse or pharmacist.