Heart Health

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High Blood Pressure Medication

Alpha Blockers

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SCHEDULING STATUS S3

PROPRIETARY NAME, STRENGTH AND PHARMACEUTICAL FORM
CARZIN XL 4 mg film coated tablets.

Read this patient leaflet information carefully before you start taking CARZIN XL.

  • Keep this information. You may need to read it again.
  • If you have further questions, please ask your doctor or your pharmacist.
  • CARZIN XL has been prescribed for you personally and you should not share your medicine with other people.  It may harm them, even if their symptoms are the same as yours.

WHAT CARZIN XL CONTAINS

Active ingredients:
Each film coated tablet contains doxazosin mesylate equivalent to 4 mg doxazosin. 

The other ingredients are calcium hydrogen phosphate anhydrous, hypromellose, lactose monohydrate, macrogol, magnesium stearate and titanium dioxide.

CARZIN XL contains lactose monohydrate (see “BEFORE YOU TAKE CARZIN XL”)

WHAT CARZIN XL IS USED FOR

CARZIN XL is indicated for the treatment of:

  • Mild to moderate high blood pressure (hypertension).
  • Symptoms associated with benign (non-cancerous) enlargement of the prostate (benign prostatic hyperplasia).

BEFORE YOU TAKE CARZIN XL

DO NOT take CARZIN XL:

  • If you are hypersensitive (allergic) to doxazosin or to any of the other ingredients of CARZIN XL (see “WHAT CARZIN XL CONTAINS”).
  • If you suffer from gastrointestinal (gullet, stomach and intestines) obstruction.  If you take CARZIN XL, you may have an increased risk of side-effects.
  • CARZIN XL should not be given to children or adolescents under the age of 18 years.

Take special care with CARZIN XL:
The presence of other medical problems may affect the use of CARZIN XL.  Make sure to tell your doctor if you have other conditions, especially:

  • Heart problems.  CARZIN XL may make the condition worse.
  • Low blood pressure.  You may feel dizzy, weak or faint after the first dose of CARZIN XL or after a dose increase.
  • Kidney or liver disease.  You may experience more of the side-effects of CARZIN XL
  • Prostate cancer.
  • If you are taking PDE-5 inhibitors, such as sildenafil (to treat impotence).

Taking CARZIN XL with food and drink:
You can take the tablet with or without food.

Taking alcohol while using CARZIN XL may increase your risk to become dizzy or faint.

Pregnancy and Breastfeeding:
If you are pregnant or breastfeeding your baby, please consult your doctor, pharmacist or other health care professional for advice before taking this medicine.

CARZIN XL has not been studied in pregnant and breast-feeding women.  It is not known whether the tablet is safe for use during pregnancy and lactation. 

Driving and using machinery:
Your ability to drive or operate machinery may be impaired by CARZIN XL, especially when you are at the start of treatment.  You should drive or operate machinery with caution.

Important information about some of the ingredients of CARZIN XL:
CARZIN XL contains lactose. If you have been told by your doctor that you have intolerance to some sugars, contact your doctor before taking CARZIN XL.

Taking other medicines with CARZIN XL:
Always tell your healthcare professional if you are taking any other medicine.  (This includes complementary or traditional medicine.)

Tell your doctor if you are using medication that lowers your blood pressure, such as diuretics, beta-blockers and calcium channel blockers.  Dizziness, light headedness, or sudden fainting is more likely when you take these medicines and CARZIN XL together.

If you are taking non-steroidal anti-inflammatory medicines (NSAIDs) including aspirin (used to treat pain and inflammation), the blood pressure lowering effects of CARZIN XL may be reduced.

HOW TO TAKE CARZIN XL

Adults:
Do not share medicines prescribed for you with any other person.  Always take CARZIN XL exactly as your doctor has instructed you.  You should check with your doctor or pharmacist if you are unsure.

You can take the tablet with or without food. Swallow the tablet whole with a sufficient amount of water – do not chew or crush it.

If you have the impression that the effect of CARZIN XL is too strong or too weak, talk to your doctor or pharmacist.

Hypertension:
The usual dose is one tablet daily. Your doctor may increase the dosage to two tablets once daily.

If your hypertension is not adequately controlled, your doctor may combine CARZIN XL with a thiazide diuretic or a beta-blocking agent.

Benign Prostatic Hyperplasia:
The usual dose is one tablet daily. Your doctor may increase the dosage to two tablets once daily.

If you take more CARZIN XL than you should:
You may experience the following side-effects if you take an overdose of CARZIN XL; light-headedness, dizziness or fainting upon standing.

In the event of overdosage, consult your doctor or pharmacist. If neither is available, contact the nearest hospital or poison control centre.

If you forget to take CARZIN XL:
If you miss a dose of CARZIN XL, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule.  Do not take double doses.

POSSIBLE SIDE-EFFECTS

CARZIN XL can have side-effects.
Not all side effects reported for CARZIN XL are included in this leaflet.  Should your general health worsen, or if you experience any untoward effects while taking CARZIN XL, please consult your doctor, pharmacist or other healthcare professional for advice.

  • If any of the following happens, stop taking CARZIN XL and tell your doctor immediately or go to the casualty department at your nearest hospital:  swelling of the hands, feet, ankles, face, lips, mouth or throat, which may cause difficulty in swallowing or breathing.
  • rash or itching
  • fainting
  • yellow eyes and skin, also called jaundice.

These are all very serious side effects.  If you have them, you may have had a serious allergic reaction to CARZIN XL.  You may need urgent medicinal attention or hospitalisation.

Tell your doctor immediately or go to the casualty department at your nearest hospital if you notice any of the following:

  • chest pain
  • discomfort or tightness in the chest (angina).
  • changes in the way your heart beats, for example, if you notice it beating faster.
  • difficulty breathing, shortness of breath, wheezing.
  • skin rash or itching.
  • yellow eyes and skin, also called jaundice.
  • Bladder pain, cloudy or dark urine, painful urination, trouble in holding or releasing urine.
  • Hair loss, pinpoint red or purple spots on skin, hives or welts, redness of skin.
  • Difficult or painful urination. Blood in urine, increased urge to urinate during the night, increased volume of pale dilute urine, lower back or side pain. These are symptoms of a urinary tract infection.

These are all serious side-effects. You may need urgent medical attention. [These are all serious side-effects, but are rare.]

Tell your doctor if you notice any of the following:

Frequent:

  • respiratory tract (nose, throat, lungs) infection, wheezing.
  • frequent urination or changes in frequency of urination, frequent urge to urinate.
  • “flu-like” symptoms including fever.
  • dizziness, headache.
  • sensation that the room is spinning (vertigo).
  • faintness or light headedness including when getting up from a lying or sitting position, and sudden fainting.
  • cough, runny nose, sneezing, sore throat.
  • acid stomach, belching, heartburn, indigestion, stomach pain or discomfort, dry mouth, nausea.
  • back pain, muscle pain or stiffness.
  • swelling of feet or lower legs, lack or loss of strength.

Less frequent:

  • unusual bleeding or bruising.
  • loss of appetite, weight loss.
  • depression.
  • anxiety, trouble sleeping, nervousness, restlessness, unusual irritability.
  • reduced or altered sense of touch or sensation of the hands and feet, shaking, feeling dizzy when standing still, a sensation of burning, crawling, itching, numbness, prickling, or “pins and needles” feeling.
  • blurred vision.
  • ringing in the ears.
  • hot flushes.
  • nose bleeds.
  • vomiting, constipation, wind, diarrhoea.
  • joint pain, swollen joints, muscle aching or cramping.
  • painful or prolonged erection of the penis (called priapism), swelling of breast or breast soreness, failure/ inability to achieve penile erection (impotence).
  • pain, general tiredness or weakness, general feeling of discomfort or illness.
  • weight gain.

Other side effects which have been reported for which the frequency is unknown:

  • hallucinations (hearing or seeing things which are not there) or confusion.
  • blood shot eyes.
  • ulcers or white spot on lips or mouth.
  • excessive sweating.
  • blocked nose.
  • faecal incontinence (lack of control over bowel movements).

STORING AND DISPOSING OF CARZIN XL

  • Store all medicine out of the reach of children
  • Store at or below 25 oC. Protect from light and moisture
  • Keep the blisters in the carton until required for use
  • Do not store in a bathroom
  • Do not use the tablets after the expiry date printed on the carton and blister
  • Return all unused medicine to your pharmacist
  • Do not dispose of unused medicine in drains and sewerage systems (e.g. toilets)

PRESENTATION OF CARZIN XL

CARZIN XL is available in pack sizes of 30 tablets packed in blister strips of OPA/AL/PVC film and aluminium foil, in an outer carton.

IDENTIFICATION OF CARZIN XL

White, round, slightly convex, film coated tablet.

REGISTRATION NUMBER

RSA S3 41/7.1/0557

NAM NS2 10/34/0376

NAME AND ADDRESS OF REGISTRATION HOLDER

Pharma Dynamics (Pty) Ltd
1st Floor Grapevine House, Steenberg Office Park
Silverwood Close,
Westlake, 7945
Cape Town, South Africa

DATE OF PUBLICATION

July 2009

Version: PD9006A

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