- 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),
- 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,
- if you are more than 3 months pregnant (It is also better to avoid Cozaar Comp in early pregnancy - see Pregnancy section),
- if you have severely impaired kidney function or your kidneys are not producing any urine,
- if you have diabetes or impaired kidney function and you are treated with a blood pressure lowering medicine containing aliskiren.
Talk to your doctor, pharmacist, or nurse before taking Cozaar Comp.
If you experience a decrease in vision or eye pain. These could be symptoms of fluid accumulation in the vascular layer of the eye (choroidal effusion) or an increase of pressure in your eye and can happen within hours to weeks of taking Cozaar Comp. This can lead to permanent vision loss, if not treated. If you earlier have had a penicillin or sulfonamide allergy, you can be at higher risk of developing this.
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).
It is important to tell your doctor before taking Cozaar Comp:
- if you experienced breathing or lung problems (including inflammation or fluid in the lungs) following hydrochlorothiazide intake in the past. If you develop any severe shortness of breath or difficulty breathing after taking Cozaar Comp, seek medical attention immediately;
- 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);
- if you are diabetic;
- 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 erythematosus);
- 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 tablets;
- 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 gland);
- if you are taking any of the following medicines used to treat high blood pressure:
- an ACE-inhibitor (for example enalapril, lisinopril, ramipril), in particular if you have diabetes-related kidney problems;
- Aliskiren.
Your doctor may check your kidney function, blood pressure, and the amount of electrolytes (e.g. potassium) in your blood at regular intervals.
See also information under the heading “Do not take Cozaar Comp”; - if you are taking other medicines that may increase serum potassium (see section 2 “Other medicines and Cozaar Comp”).
- if you have had skin cancer or if you develop an unexpected skin lesion during the treatment. Treatment with hydrochlorothiazide, particularly long term use with high doses, may increase the risk of some types of skin and lip cancer (non-melanoma skin cancer). Protect your skin from sun exposure and UV rays while taking Cozaar Comp.
Talk to your doctor if you experience abdominal pain, nausea, vomiting or diarrhoea after taking Cozaar Comp. Your doctor will decide on further treatment. Do not stop taking Cozaar Comp on your own.
There is no experience with the use of Cozaar Comp in children. Therefore, Cozaar Comp should not be given to children.
Tell your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines.
Tell your doctor if you are taking potassium supplements, potassium-containing salt substitutes, potassium-sparing medicines, or other medicines that may increase serum potassium (e.g., trimethoprim-containing medicines), as the combination with Cozaar Comp is not advisable.
Diuretic agents such as the hydrochlorothiazide contained in Cozaar Comp may interact with other medicines.
Preparations containing lithium should not be taken with Cozaar Comp without close supervision by your doctor.
Special precautionary measures (e.g. blood tests) may be appropriate if you take 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;
- steroids;
- medicines to treat cancer;
- pain killers;
- drugs for treatment of fungal infections;
- arthritis medicines;
- resins used for high cholesterol, such as colestyramine;
- 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;
Your doctor may need to change your dose and/or to take other precautions:
If you are taking an ACE-inhibitor or aliskiren (see also information under the headings “Do not take Cozaar Comp” and “Warnings and precautions”).
Please also inform your doctor you are taking Cozaar Comp if you will be undergoing a radiographic procedure and will be given iodine contrast media.
You are advised not to drink alcohol whilst taking these tablets: alcohol and Cozaar Comp tablets may increase each other’s effects.
Dietary salt in excessive quantities may counteract the effect of Cozaar Comp tablets.
Cozaar Comp tablets may be taken with or without food.
Grapefruit juice should be avoided while taking Cozaar Comp tablets.
Pregnancy
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.
Breast-feeding
Tell your doctor if you are breast-feeding or about to start breast-feeding. 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.
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.
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.
If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicinal product.
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.
Very rare (may affect up to 1 in 10,000 people):
acute respiratory distress (signs include severe shortness of breath, fever, weakness and confusion).
Other side effects that may occur:
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):
- 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;
- loss of appetite, increased uric acid levels or frank gout, increased blood sugar levels, abnormal blood electrolyte levels;
- 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, toothache;
- jaundice (yellowing of the eyes and skin), inflammation of the pancreas;
- 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;
- 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):
- intestinal angioedema: a swelling in the gut presenting with symptoms like abdominal pain, nausea, vomiting and diarrhoea;
- hepatitis (inflammation of the liver), abnormal liver function tests.
Not known (frequency cannot be estimated from the available data):
- flu-like symptoms;
- unexplained muscle pain with dark (tea-coloured) urine (rhabdomyolysis);
- low levels of sodium in the blood (hyponatraemia);
- generally feeling unwell (malaise);
- disturbed taste (dysgeusia).
- skin and lip cancer (non-melanoma skin cancer).
- decrease in vision or pain in your eyes due to high pressure (possible signs of fluid accumulation in the vascular layer of the eye (choroidal effusion) or acute angle-closure glaucoma).
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: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects you can help provide more information on the safety of this medicine.
The active substances are losartan potassium and hydrochlorothiazide.
Cozaar Comp 50 mg/12.5 mg contains 50 mg of losartan potassium and 12.5 mg of hydrochlorothiazide as the active ingredients.
Cozaar Comp 100 mg/12.5 mg contains 100 mg of losartan potassium and 12.5 mg of hydrochlorothiazide as the active ingredients.
Cozaar Comp 100 mg/25 mg contains 100 mg of losartan potassium and 25 mg of hydrochlorothiazide as the active ingredients.
Cozaar Comp 50 mg/12.5 mg, Cozaar Comp 100 mg/12.5 mg and Cozaar Comp 100 mg/25 mg contain the following inactive ingredients:
microcrystalline cellulose (E460), lactose monohydrate, pregelatinised maize starch, magnesium stearate (E572), hydroxypropyl cellulose (E463), hypromellose (E464).
Cozaar Comp 50 mg/12.5 mg contains 4.24 mg (0.108 mEq) of potassium. Cozaar Comp 100 mg/12.5 mg and Cozaar Comp 100 mg/25 mg contain 8.48 mg (0.216 mEq) of potassium.
Cozaar Comp 50 mg/12.5 mg and Cozaar Comp 100 mg/25 mg also contain titanium dioxide (E171), quinoline yellow aluminium lake (E104) and carnauba wax (E903).
Cozaar Comp 100 mg/12.5 mg also contains: titanium dioxide (E171) and carnauba wax (E903).
Cozaar Comp 50 mg/12.5 mg is supplied as yellow, oval film-coated tablets marked 717 on one side and plain or scored on the other. The score line is not intended for breaking the tablet.
Cozaar Comp 100 mg/12.5 mg is supplied as white, oval film-coated tablets marked 745 on one side and plain on the other.
Cozaar Comp 100 mg/25 mg is supplied as light yellow, oval film-coated tablets marked 747 on one side and plain on the other.
Cozaar Comp is supplied in the following pack sizes:
Cozaar Comp 50 mg/12.5 mg - PVC/PE/PVDC blister packages with aluminium foil lidding in cartons containing 4, 7, 10, 14, 20, 28, 30, 50, 56, 84, 98, or 280 tablets and unit-dose packages of 28, 56 and 98 tablets for hospital use. HDPE bottles of 100 tablets.
Cozaar Comp 100 mg/12.5 mg - PVC/PE/PVDC blister packages with aluminium foil lidding in cartons containing 14, 15, 28, 30, 50, 56, 84, 90, 98, 280 tablets. HDPE bottles of 100 tablets.
Cozaar Comp 100 mg/25 mg - PVC/PE/PVDC blister packages with aluminium foil lidding in cartons containing 7, 14, 28, 30, 50, 56, 84, 90, 98, or 280 tablets and unit-dose packages of 28, 56 and 98 tablets for hospital use. HDPE bottles of 100 tablets.
Not all pack sizes may be marketed.
Organon Pharma (UK) Limited
Shotton Lane
Cramlington
NE23 3JU
United Kingdom
This medicine is authorised in the Member States of the European Economic Area and in the United Kingdom (Northern Ireland) under the following names:
Member State Invented name
Belgium COZAAR PLUS 50 mg/12,50 mg comprimés pelliculés
Belgium COZAAR PLUS 100 mg/12,50 mg comprimés pelliculés
Belgium COZAAR PLUS FORTE 100 mg/25 mg comprimés pelliculés
Denmark Cozaar Comp.
Denmark Cozaar Comp. 100 mg / 12,5 mg
Denmark Cozaar Comp. Forte
Finland COZAAR Comp
Finland COZAAR Comp Forte
France FORTZAAR 100 mg/25 mg, comprimé pelliculé
France HYZAAR 50 mg/12,5 mg, comprimé pelliculé
France FORTZAAR 100 mg/12,5 mg, comprimé pelliculé
Germany LORZAAR PLUS 50/12,5 mg Filmtabletten
Germany LORZAAR PLUS forte 100/12,5 mg Filmtabletten
Germany FORTZAAR 100/25 mg Filmtabletten
Greece HYZAAR
Greece HYZAAR Forte
Greece HYZAAR Extra Forte
Hungary HYZAAR
Iceland Cozaar Comp
Iceland Cozaar Comp 100 mg/12,5 mg
Iceland Cozaar Comp Forte
Ireland COZAAR Comp 50 mg/12.5 mg film-coated tablets
Ireland COZAAR Comp 100 mg/12.5 mg film-coated tablets
Ireland COZAAR Comp 100 mg/25 mg film-coated tablets
Italy HIZAAR 50 mg + 12,5 mg compresse rivestite con film
Italy HIZAAR 100 mg + 25 mg compresse rivestite con film
Italy FORZAAR 100 mg + 25 mg compresse rivestite con film
Luxembourg COZAAR PLUS 50 mg/12,50 mg comprimés pelliculés
Luxembourg COZAAR PLUS 100 mg/12,50 mg comprimés pelliculés
Luxembourg COZAAR PLUS FORTE 100 mg/25 mg comprimés pelliculés
Netherlands HYZAAR 50/12,5
Netherlands COZAAR Plus 100/12,5
Netherlands FORTZAAR 100/25
Norway Cozaar Comp
Norway Cozaar Comp Forte
Poland HYZAAR
Poland HYZAAR FORTE
Portugal Cozaar Plus
Portugal Fortzaar
Spain COZAAR Plus 50 mg/12,5 mg comprimidos recubiertos con película
Spain FORTZAAR 100 mg/25 mg comprimidos recubiertos con película
Sweden COZAAR Comp 50 mg/12,5 mg filmdragerade tabletter
Sweden COZAAR Comp 100 mg/12,5 mg filmdragerade tabletter
Sweden COZAAR Comp Forte 100 mg/25 mg filmdragerade tabletter
United Kingdom (Northern Ireland) COZAAR Comp 50 mg/12.5 mg film-coated tablets
United Kingdom (Northern Ireland) COZAAR Comp 100 mg/12.5 mg film-coated tablets
United Kingdom (Northern Ireland) COZAAR Comp 100 mg/25 mg film-coated tablets
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