KLARITHRAN MR 500 belong to broad and medium spectrum antibiotics. KLARITHRAN MR 500 tablets are used to treat bacterial infections, such as chest infections e.g. bronchitis and pneumonia, infections of throat and sinuses and skin infections.
1. What KLARITHRAN MR 500 is and what it is used for
2. What you need to know before you take KLARITHRAN MR 500
Do not take KLARITHRAN MR 500 :
- If you have previously had an allergic reaction to clarithromycin, other macrolides antibiotics such as erythromycin or azithromycin, or to any of the ingredients of KLARITHRAN MR 500 listed in section 6 (an allergic reaction may include rash, itching, swelling of the face, lips, hands/feet or breathing difficulties).
- If you are pregnant or intend to become pregnant.
- If you are currently breast-feeding.
- If you suffer severe dysfunction of the kidneys (you have creatinine clearance of less than 30 ml/min).
- If you are taking any of the following medicines: astemizole, cisapride, pimozide and terfenadine.
Warnings and precautions
Take special care with KLARITHRAN MR 500
- If you have sugar diabetes (there are reports of drop in blood sugar levels in patients taking insulin or oral hypoglycaemic drugs for treatment of diabetes).
- If you have kidney and liver problems.
Other medicines and KLARITHRAN MR 500
Always tell your health care provider if you are taking any other medicine. (This includes all complementary or traditional medicines).
- ergot derivatives such as ergotamine tablets or inhalers (used for treatment of migraine)
- terfenadine or astemizole (used for treatment of allergies), cisapride (used for treatment of digestive problems), pimozide (used for treatment of mental illnesses).
- warfarin or other anticoagulants (blood thinning medicines).
- theophylline (an anti-asthma medicine).
- cyclosporin or tacrolimus (used following organ transplants).
- digoxin (used for treatment of heart failure).
- disopyramide or quinidine (used for treatment of certain abnormal heart rhythms).
- midazolam, alprazolam or triazolam (used as tranquilizers) phenytoin, valproic acid or carbamazepine (used for treatment of seizures).
- insulin or oral hypoglycaemic agents (used for treatment of diabetes).
- rifabutin (used for treatment certain infections).
- lovastatin or simvastatin (used for lowering elevated cholesterol levels).
- zidovudine (used for treatment of Human Immunodeficiency Virus [HIV] infection).
- methylprednisolone (a medicine that suppresses the immune system).
- vinblastine (used in treatment of cancers).
- sildenafil (used for treatment of impotence in men).
- omeprazole (used for gastric ulcers).
3. How to take KLARITHRAN MR 500
Do not share medicines prescribed for you with any other person. Check with your doctor or pharmacist if you are not sure.
The usual recommended dose is one KLARITHRAN MR 500 tablet taken once daily with food. In more severe infections your doctor may increase the dose to two KLARITHRAN MR 500 tablets taken once daily with food. Swallow KLARITHRAN MR 500 tablets whole with a glass of water. Take your tablets as directed and for as long as directed; do not stop them, even if you feel better. If you have the impression that the effect of KLARITHRAN MR 500 is too strong or too weak, talk to your doctor or pharmacist.
If you take more KLARITHRAN MR 500
If you take more KLARITHRAN MR 500 than you should, you may experience an increase in side effects listed below (see section 4). In the event of overdosage, consult your doctor or pharmacist. If neither is available, contact the nearest hospital or poison centre.
If you forget to take KLARITHRAN MR 500
Do not take a double dose to make up for a forgotten dose. If you forget to take a dose, take it as soon as you remember it and then take the next dose at the right time.
If you stop taking KLARITHRAN MR 500
If you are unsure when to stop using KLARITHRAN MR 500, consult your doctor or pharmacist.
4. Possible side effects
Not all side effects reported for KLARITHRAN MR 500 are included in this leaflet. Should your general health worsen or if you experience any untoward effects while taking KLARITHRAN MR 500, please consult your health care provider for advice. If any of the following happens, stop taking / using KLARITHRAN MR 500 and tell your doctor immediately or go to the casualty department at your nearest hospital:
- Rashes, hives, itching, chest constriction, shortness of breath or swelling of the face, lips, tongue and hands/feet, fainting, high temperature.
- Severe skin reactions with blisters, sores or ulceration. These are all very serious side effects. If you have them, you may have had a serious reaction to. You may need urgent medical attention or hospitalisation.
- Severe diarrhoea (which may contain blood or mucous) along with stomach cramps.
- Any irregular or fast heart beat
- Mental confusion
- Disorientation
- Ringing in the ears
- Convulsions
- Hallucinations
- Marked behaviour or mood changes
- Change in sense of reality
- Excessive anxiety
- Jaundice (yellowing of whites of eyes and skin), loss of appetite, pain in right upper abdomen, and general feeling of being unwell
- Unusual bleeding or increased tendency to bleed, persistent sore throat and frequent infections
- Symptoms such as dizziness, palpitations, sweating, anxiety and sometimes fainting (these are manifestations of a drop in your blood sugar levels). (These are more likely if you are already receiving insulin or oral hypoglycaemic drugs for treatment of diabetes. These are all serious side effects. You may need urgent medical attention.
Tell your doctor if you notice any of the following:
- Dizziness, headache, lack of sleep, bad dreams, nervousness.
- Nausea (feeling sick) or vomiting (being sick), abdominal pain, loose stools (diarrhoea), indigestion.
- Inflammation and discolouration of tongue, inflammation of the mouth, tooth discolouration (usually reversible with professional tooth cleaning).
- Impaired sense of taste
- Hearing loss
- White patches inside the mouth and/or on the tongue (oral thrush).
There may be changes in the results of certain laboratory tests:
- Abnormal liver function test.
- Increased creatinine levels in serum.
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 or 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 KLARITHRAN MR 500.
5. How to store KLARITHRAN MR 500
Store all medicines out of reach of children.
- Store at or below 25 oC.
- Protect from moisture
- Do not store in a bathroom
- Do not use medicine 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).