Patient leaflet - Colchicine 500 micrograms tablets
1. WHAT COLCHICINE IS AND WHAT IT IS USED FOR
This medicine contains Colchicine, which is an anti-gout agent. Colchicine Tablets are used to treat gout attacks. They are also used to prevent flare-ups of gout when treatment is started with other drugs such as allopurinol, probenecid and sulfinpyrazone.
2. WHAT YOU NEED TO KNOW BEFORE YOU TAKE COLCHICINE
Do not take Colchicine
if you are allergic to Colchicine or any of the other ingredients of this medicine (listed in section 6)
if you have a severe blood disorder
if you are pregnant
if you are breastfeeding
if you are a woman of childbearing age unless you are using effective contraception
if you have severe kidney or liver problems
if you are undergoing haemodialysis
if you have kidney or liver problems and you are taking certain medicines (see ‘Other medicines and Colchicine Tablets’)
If you are not sure whether any of the above apply to you, talk to your doctor or pharmacist before taking Colchicine Tablets.
Warnings and precautions
Talk to your doctor or pharmacist before taking this medicine if you have or have had:
have problems with your heart, liver or kidneys or digestive system are elderly and weak
have a blood disorder
Colchicine Tablets can be toxic so it is important that you do not exceed the dose prescribed by your doctor.
There is only a slight difference between an effective dose of Colchicine Tablets and an overdose. Therefore, if you get symptoms such as nausea (feeling sick), vomiting (being sick), stomach pain and diarrhoea, stop taking Colchicine Tablets and immediately contact your doctor (see also section 4 ‘Possible side effects’) Colchicine Tablets can cause a serious decrease in bone marrow function leading to a decrease in certain white blood cells (agranulocytosis), a decrease in red blood cells and pigment (aplastic anaemia) and/or a low blood platelet count (thrombocytopenia). You should have regular blood tests to monitor any changes. If you develop symptoms such as fever, inflammation of the mouth, sore throat, prolonged bleeding, bruising or skin problems, stop taking this medicine and contact your doctor immediately. These could be signs that you have a serious blood problem and your doctor may want you to have blood tests straight away (see also section 4 ‘Possible side effects’).
Other medicines and Colchicine
Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines even those taken without a prescription. In particular, Colchicine may interact with the medicines listed below:
When Colchicine Tablets are taken together with any of the following medicines, side effects due to colchicine toxicity are more likely and these can be serious and life-threatening:
Certain antibiotics such as clarithromycin, erythromycin and telithromycin (used to treat infections)
Anti-viral drugs such as ritonavir, atazanavir and indinavir (used to treat HIV infection)
Ciclosporin (used to prevent organ rejection after a transplant, psoriasis and rheumatoid arthritis)
Anti-fungal medicines such as ketoconazole, itraconazole and voriconazole Certain heart medicines such as verapamil and diltiazem
Disulfram (used to help treat alcoholism)
If you are taking any of the above medicines, your doctor may want to adjust your dose or temporarily stop your treatment with this medicine. If you have liver or kidney problems and you are taking any of the above medicines, you should not take Colchicine Tablets.
It is also important to tell your doctor or pharmacist if you are taking any of the following medicines:
Cimetidine (used to reduce stomach acid), as it may increase the amount of colchicine in your blood
Tolbutamide (used to control blood sugar), as it may increase the amount of colchicine in your blood
Digoxin (used to treat certain heart conditions)
Fibrates’ (medicines used to lower cholesterol), as they may increase your risk of a muscle disease known as ‘rhabdomyolysis’ Taking Colchicine together with ciclosporin or ‘statins’ also increases your risk of developing this disease. Talk to your doctor before taking Colchicine if you are taking any medicines that may possibly damage your kidneys, liver or blood. Check with your doctor if you are not sure.
Colchicine may reduce the amount of vitamin B12 that your body can absorb through your gut.
Colchicine Tablets with food and drink
Grapefruit juice may increase the amount of colchicine in your blood. Therefore, you should not drink grapefruit juice whilst you are taking this medicine. Pregnancy and breast-feeding
If you are pregnant, think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before taking this medicine. If you are a woman of childbearing potential, do not take this medicine unless you are using effective contraception.
Colchicine passes into breast milk. If you are breast-feeding, do not take this medicine. Driving and using machines
The possibility of drowsiness and dizziness should be taken into account. It affected, do not drive or operate machinery.
Colchicine 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 product.
3. HOW TO TAKE COLCHICINE
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 tell you how many Colchicine Tablets to take and for how long you should take them.
Colchicine Tablets should be swallowed whole with a glass of water. Use in adults
Dose to treat gout attack:
The recommended dose is two to four (2-4) tablets daily until symptoms are relieved or when a total of twelve (12) colchicine tablets have been taken. You should not take more than twelve (12) colchicine tablets as a course of treatment. After completion of a course of colchicine tablets, you should not start another course for at least three days. (Continued overleaf) Black C
Dose to prevent flare-ups of gout when treatment is started with other drugs:
The recommended dose is 1 Colchicine tablet twice daily.
Your doctor will tell you how long your treatment with Colchicine Tablets will last. If you have kidney or liver problems
Your doctor may reduce your dose of Colchicine, and you should be carefully monitored for side effects. Do not take this medicine if you have severe kidney or liver problems.
If you take more Colchicine than you should
If you take more than you are supposed to, contact your doctor or nearest hospital accident and emergency department immediately. Take this leaflet and any Colchicine Tablets you have left with you.
At too high a dose Colchicine Tablets can be seriously toxic, even fatal. Early symptoms of overdose (which appear on average after 3 hours but can take longer) may include nausea, vomiting, stomach pain, bloody diarrhoea and low blood pressure.
If you forget to take Colchicine
If you forget to take a dose take another as soon as you remember. If it is almost time for your next dose do not take the missed dose at all. Do not take a double dose to make up for a forgotten dose.
Do not take Colchicine Tablets with a shorter interval than prescribed by your doctor.
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.
4. POSSIBLE SIDE EFFECTS
Like all medicines, this medicine can cause side effects, although not everybody gets them.
If you notice any of the following side effects, stop taking Colchicine Tablets and immediately contact a doctor or the nearest hospital accident and emergency department:
Nausea (feeling sick), vomiting (being sick), stomach pain and diarrhoea (see also section 2 “Warnings and Precautions”). These side effects are common (may affect up to 1 in 10 people)
Symptoms such as fever, inflammation of the mouth, sore throat, prolonged bleeding, bruising or skin problems. These could be signs that you have a serious blood problem as a result of bone marrow depression (see also section 2 “Warnings and Precautions”). The frequency of these side effects is not known (cannot be estimated from the available data).
Other side effects that have been seen (with unknown frequency) are Inflammation of the nerves which can cause pain, weakness, tingling or numbness
Nerve damage
Gastrointestinal bleeding
Liver damage
Hair loss
Rash
Pain or weakness in muscles
Abnormal muscle breakdown which can lead to kidney problems (rhabdomyolysis)
Kidney damage
Absence of menstrual periods
Painful periods
Reduced ability to produce sperm (low or zero sperm count)
Reporting of side effects
If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via Yellow Card Scheme Website: 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.
5. HOW TO STORE COLCHICINE
Keep this medicine out of the sight and reach of children.
This medicinal product does not require any special storage conditions. Do not use this medicine after the expiry date which is stated on the carton. The expiry date refers to the last day of that month.
Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment.
6. CONTENTS OF THE PACK AND OTHER INFORMATION
What Colchicine tablets contains
The active ingredient is colchicine. Each tablet contains 500 micrograms of colchicine
The other ingredients are lactose monohydrate, starch pregelatinised, stearic acid and talc.
What Colchicine tablets looks like and contents of the pack
Colchicine 500 microgram Tablets are white round biconvex uncoated tablets, plain on both sides.
The tablets are packed in blisters of 10, 14, 20, 28, 30, 56, 60 and 100 tablets Marketing Authorisation Holder
Tillomed Laboratories Limited
220 Butterfield, Great Marlings
Luton, LU2 8DL, United Kingdom
Manufacturer
Tillomed Laboratories Limited
220 Butterfield, Great Marlings
Luton, LU2 8DL, United Kingdom
Tillomed Malta Limited
Malta Life Sciences Park
LS2.01.06. Industrial Estate
San Gwann, SGN 3000, Malta
Other formats
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This leaflet was last revised in July 2026
PP000959