ZYLOPRIM contains the active substance allopurinol. ZYLOPRIM is used to prevent gout and other conditions associated with excess uric acid in the body. ZYLOPRIM should not be used to treat a sudden attack of gout.
1. What ZYLOPRIM is and what it is used for
2. What you need to know before you take ZYLOPRIM
Do not take ZYLOPRIM:
- If you are hypersensitive to allopurinol or to any of the other ingredients of ZYLOPRIM (listed in section 6).
- If you suffer from severe hepatic or renal disorder.
- If you suffer from an acute gout attack
Warnings and precautions
Take special care with ZYLOPRIM:
- If you suffer from severe kidney impairment. Your dose will need to be adjusted.
- If you have a history of liver disease or consume excessive quantities of alcohol.
- If you are of Han Chinese, African or Indian origin.
- If you have heart problems or high blood pressure and you are taking diuretics (water pill) and/or medicine called ACE inhibitors
- If you are currently having a gout attack.
- If you have cancer or Lesch - Nyhan syndrome, the amount of uric acid may increase in your urine. To prevent this, you need to ensure to drink water sufficiently to dilute your urine.
- You may develop skin rashes when you take ZYLOPRIM. If you develop a rash or these skin symptoms, stop taking ZYLOPRIM and contact your doctor immediately.
3. How to take ZYLOPRIM
Do not share medicines prescribed for you with any other person. Always take ZYLOPRIM exactly as your doctor has told you. Check with your doctor or pharmacist if you are not sure.
Adults: The usual starting dose is 100 mg daily, which may be taken as a single dose, after a meal. The tablets should be taken with a little water to make swallowing easier. The dose may be increased, usually to 300 mg daily, depending on the severity of your condition. Higher doses may be needed.
Elderly: Your doctor will prescribe the lowest dose of ZYLOPRIM that best controls your symptoms.
Children under 15 years: The usual dose is in the range of 100 - to 400 mg daily. If you have liver problems, your doctor will prescribe the lowest dose of ZYLOPRIM that best controls your symptoms. If you have kidney problems, your doctor will prescribe the lowest dose of ZYLOPRIM that best controls your symptoms.
Do not stop taking your ZYLOPRIM tablets unless your doctor tells you to. Your doctor will tell you how long your treatment with ZYLOPRIM will last. If you have the impression that the effect of ZYLOPRIM is too strong or too weak, tell your doctor or pharmacist.
If you take more ZYLOPRIM than you should
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 ZYLOPRIM
If you forget to take a dose, take another one as soon as you remember and then go on as before. Do not take a double dose to make up for forgotten individual doses.
If you stop taking ZYLOPRIM
Do not stop taking your ZYLOPRIM tablets unless your doctor tells you to.
4. Possible side effects
ZYLOPRIM can have side effects. Not all side effects reported for ZYLOPRIM are included in this leaflet. Should your general health worsen or if you experience any untoward effects while taking ZYLOPRIM, please consult your healthcare provider for advice.
If any of the following happens, stop taking ZYLOPRIM and tell your doctor immediately or go to the casualty department at your nearest hospital:
- A reaction of any kind such as a skin rash, flaking skin, boils or sore lips and mouth
- Blistering of the skin, mouth, eyes and genitals, sudden wheeziness, fluttering or tightness in the chest
- Toxic epidermal necrolysis (a rare, life-threatening skin condition that is usually caused by a reaction to the medicine. The top layer of skin detaches from the lower layers of the skin all over the body. TEN is a more severe form of Stevens – Johnson syndrome)
These symptoms may mean that you are allergic to ZYLOPRIM. These are all very serious side effects. If you have them, you may have had a serious reaction to ZYLOPRIM. You may need urgent medical attention or hospitalisation.
Tell your doctor immediately or go to the casualty department at your nearest hospital if you notice any of the following:
- Angina, changes in the way your heart beats, for example, if you notice it beating faster
- Inflammation of the liver, which may show signs as follows: yellowing of the skin and eyes (jaundice), muscle aches, tiredness, itchy skin, nausea, vomiting, stomach pain, loss of appetite.
- Nausea and vomiting, vomiting of blood
- An increase in fat content in stools leading to the production of pale, bulky, offensive and loose stools, inflamed and sore mouth, change of bowel habit
- bleeding into the tissues, bruising, and slow blood clotting after injury.
- Fits, coma, paralysis, the loss of full control of bodily movements.
These are all serious side effects. You may need urgent medical attention.
Less frequent side effects:
- Nausea (feeling sick) or vomiting
- Abnormal liver tests
- Liver or kidney function may be affected
- infertility
- impotence
- enlargement of the breasts in men as well as women
- a change in your normal bowel habit
- change in taste perception
- hair loss or discolouration
- cataracts
- depression
- occasionally ZYLOPRIM tablets may affect your blood, which can manifest as bruising more easily than usual, or you may develop a sore throat or other signs of an infection. These effects usually occur in people with liver or kidney problems.
- high temperature
- blood in your urine (haematuria)
- high levels of cholesterol in your blood (hyperlipidaemia)
- a general feeling of being unwell or feeling weak
- weakness, numbness, unsteadiness on your feet or loss of consciousness
- headache, dizziness, drowsiness or disturbance of your vision
- lack of voluntary coordination of muscle movements (ataxia)
- sensation of tingling, tickling, pricking or burning of skin (paraesthesia)
- build-up of fluid leading to swelling (oedema) particularly of your ankles
- feeling thirsty, tired and losing weight; these may be symptoms of diabetes. Your doctor may wish to measure the level of sugar in your blood to help to decide if this is happening.
If you notice any side effects not mentioned in this leaflet, please inform your doctor or pharmacist.
Reporting of side effects
If you get side effects, talk to your doctor, pharmacist or nurse. You can also report side effects to SAHPRA via the “6.04 Adverse Drug Reaction Reporting Form”, found online under SAHPRA’s publications: https://www.sahpra.org.za/Publications/Index/8. By reporting side effects, you can help provide more information on the safety of ZYLOPRIM.
5. How to store ZYLOPRIM
Store all medicines out of reach of children.
Store at or below 25 °C in a dry place.
Protect from light. Keep in original packaging until required for use.
Do not store in a bathroom.
Do not use after the expiry date stated on the label.
Return all unused medicine to your pharmacist.
Do not dispose of unused medicine in drains or sewerage systems (e.g. toilets).