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COLCHICINE 0.6MG 30 TAB - .6 mg/1 TABLET
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COLCHICINE 0.6MG 30 TAB

Generic: colchicine

COLCHICINE 0.6MG 30 TAB

NDC:43598-0372-30
Manufacturer:Dr.Reddys Laboratories, Inc.
Strength:.6 mg/1
Dosage Form:TABLET
Route:ORAL

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Drug Information

Identification

Generic Name

colchicine

Brand Name

colchicine

Labeler / Distributor

Dr.Reddys Laboratories, Inc.

Product Type

HUMAN PRESCRIPTION DRUG

Administration

Dosage Form

TABLET

Route of Administration

ORAL

FDA Application Number

ANDA209876

Active Ingredients

IngredientStrength
COLCHICINE.6 mg/1

Pharmacological Class

AlkaloidAlkaloids [CS]

Data sourced from openFDA / DailyMed. For full prescribing information, consult the drug label.

Clinical Drug Information

Indications & Usage

1 INDICATIONS AND USAGE Colchicine tablets are an alkaloid indicated for: • Prophylaxis and treatment of gout flares in adults ( 1.1 ). • Familial Mediterranean fever (FMF) in adults and children 4 years or older ( 1.2 ). 1.1 Gout Flares Colchicine tablets are indicated for prophylaxis and the treatment of acute gout flares. • Prophylaxis of Gout Flares: Colchicine tablets are indicated for prophylaxis of gout flares. • Treatment of Gout Flares: Colchicine tablets are indicated for treatment of acute gout flares when taken at the first sign of a flare. 1.2 Familial Mediterranean Fever (FMF) Colchicine tablets are indicated in adults and children four years or older for treatment of familial Mediterranean fever (FMF).

Dosage & Administration

2 DOSAGE AND ADMINISTRATION The long-term use of colchicine is established for FMF and the prophylaxis of gout flares, but the safety and efficacy of repeat treatment for gout flares has not been evaluated. The dosing regimens for colchicine tablets are different for each indication and must be individualized. The recommended dosage of colchicine tablets depends on the patient’s age, renal function, hepatic function and use of coadministered drugs [see Dosage and Administration (2.4 , 2.5 , 2.6) ] . Colchicine tablets are administered orally without regard to meals. Colchicine tablets are not an analgesic medication and should not be used to treat pain from other causes. • Gout Flares: Prophylaxis of Gout Flares: 0.6 mg once or twice daily in adults and adolescents older than 16 years of age ( 2.1 ). Maximum dose 1.2 mg/day. Treatment of Gout Flares: 1.2 mg (two tablets) at the first sign of a gout flare followed by 0.6 mg (one tablet) one hour later ( 2.1 ). • FMF: Adults and children older than 12 years 1.2 - 2.4 mg; children 6 to 12 years 0.9 - 1.8 mg; children 4 to 6 years 0.3 - 1.8 mg ( 2.2 , 2.3 ). o Give total daily dose in one or two divided doses ( 2.2 ). o Increase or decrease the dose as indicated and as tolerated in increments of 0.3 mg/day, not to exceed the maximum recommended daily dose ( 2.2 ). • Colchicine tablets are administered orally without regard to meals. • See full prescribing information (FPI) for dose adjustment regarding patients with impaired renal function ( 2.5 ), impaired hepatic function ( 2.6 ), the patient’s age ( 2.3 , 8.5 ) or use of coadministered drugs ( 2.4 ). 2.1 Gout Flares Prophylaxis of Gout Flares The recommended dosage of colchicine tablets for prophylaxis of gout flares for adults and adolescents older than 16 years of age is 0.6 mg once or twice daily. The maximum recommended dose for prophylaxis of gout flares is 1.2 mg/day. An increase in gout flares may occur after initiation of uric acid-lowering therapy, including pegloticase, febuxostat and allopurinol, due to changing serum uric acid levels resulting in mobilization of urate from tissue deposits. Colchicine tablets are recommended upon initiation of gout flare prophylaxis with uric acid-lowering therapy. Prophylactic therapy may be beneficial for at least the first six months of uric acid-lowering therapy. Treatment of Gout Flares The recommended dose of colchicine tablets for treatment of a gout flare is 1.2 mg (two tablets) at the first sign of the flare followed by 0.6 mg (one tablet) one hour later. Higher doses have not been found to be more effective. The maximum recommended dose for treatment of gout flares is 1.8 mg over a 1-hour period. Colchicine tablets may be administered for treatment of a gout flare during prophylaxis at doses not to exceed 1.2 mg (two tablets) at the first sign of the flare followed by 0.6 mg (one tablet) one hour later. Wait 12 hours and then resume the prophylactic dose. 2.2 FMF The recommended dosage of colchicine tablets for FMF in adults is 1.2 mg to 2.4 mg daily. Colchicine tablets should be increased as needed to control disease and as tolerated in increments of 0.3 mg/day to a maximum recommended daily dose. If intolerable side effects develop, the dose should be decreased in increments of 0.3 mg/day. The total daily colchicine tablets dose may be administered in one to two divided doses. 2.3 Recommended Pediatric Dosage Prophylaxis and Treatment of Gout Flares Colchicine tablets are not recommended for pediatric use in prophylaxis or treatment of gout flares. FMF The recommended dosage of colchicine tablets for FMF in pediatric patients 4 years of age and older is based on age. The following daily doses may be given as a single or divided dose twice daily: • Children 4 to 6 years: 0.3 mg to 1.8 mg daily • Children 6 to 12 years: 0.9 mg to 1.8 mg daily • Adolescents older than 12 years: 1.2 mg to 2.4 mg daily 2.4 Dose Modification for Coadministration of Interacting Drugs Concomitant Therapy Coadministration of colchicine tablets with drugs known to inhibit CYP3A4 and/or P-glycoprotein (P-gp) increases the risk of colchicine-induced toxic effects (Table 1) . If patients are taking or have recently completed treatment with drugs listed in Table 1 within the prior 14 days, the dose adjustments are as shown in the table below [see Drug Interactions (7) ] . Table 1. Colchicine Tablets Dose Adjustment for Coadministration with Interacting Drugs if No Alternative Available For magnitude of effect on colchicine plasma concentrations [see Clinical Pharmacology (12.3) ] Strong CYP3A4 Inhibitors Patients with renal or hepatic impairment should not be given colchicine tablets in conjunction with strong CYP3A4 or P-gp inhibitors [see Contraindications (4) ] Gout Flares Noted or Anticipated Outcome Prophylaxis of Gout Flares Treatment of Gout Flares FMF Drug Original Intended Dosage Adjusted Dose Original Intended Dosage Adjusted Dose Original Intended Dosage Adjusted Dose Atazanavir Clarithromycin Darunavir/ Ritonavir When used in combination with Ritonavir, see dosing recommendations for strong CYP3A4 inhibitors [see Contraindications (4) ] Indinavir Itraconazole Ketoconazole Lopinavir/ Ritonavir Nefazodone Nelfinavir Ritonavir Saquinavir Telithromycin Tipranavir/ Ritonavir Significant increase in colchicine plasma levels; fatal colchicine toxicity has been reported with clarithromycin, a strong CYP3A4 inhibitor. Similarly, significant increase in colchicine plasma levels is anticipated with other strong CYP3A4 inhibitors 0.6 mg twice a day 0.6 mg once a day 0.3 mg once a day 0.3 mg once every other day 1.2 mg (2 tablets) followed by 0.6 mg (1 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. 0.6 mg (1 tablet) x 1 dose, followed by 0.3 mg (1/2 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. Maximum daily dose of 1.2 mg - 2.4 mg Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day) Moderate CYP3A4 Inhibitors Gout Flares Note or Anticipated Outcome Prophylaxis of Gout Flares Treatment of Gout Flares FMF Drug Original Intended Dosage Adjusted Dosage Original Intended Dosage Adjusted Dosage Original Intended Dosage Adjusted Dosage Amprenavir Aprepitant Diltiazem Erythromycin Fluconazole Fosamprenavir (prodrug of Amprenavir) Grapefruit juice Verapamil Significant increase in colchicine plasma concentration is anticipated. Neuromuscular toxicity has been reported with diltiazem and verapamil interactions. 0.6 mg twice a day 0.6 mg once a day 0.3 mg twice a day or 0.6 mg once a day 0.3 mg once a day 1.2 mg (2 tablets) followed by 0.6 mg (1 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. 1.2 mg (2 tablets) x 1 dose. Dose to be repeated no earlier than 3 days. Maximum daily dose of 1.2 mg - 2.4 mg Maximum daily dose of 1.2 mg (may be given as 0.6 mg twice a day) P-gp Inhibitors Gout Flares Note or Anticipated Outcome Prophylaxis of Gout Flares Treatment of Gout Flares FMF Drug Original Intended Dosage Adjusted Dosage Original Intended Dosage Adjusted Dosage Original Intended Dosage Adjusted Dosage Cyclosporine Ranolazine Significant increase in colchicine plasma levels; fatal colchicine toxicity has been reported with cyclosporine, a P-gp inhibitor. Similarly, significant increase in colchicine plasma levels is anticipated with other P-gp inhibitors. 0.6 mg twice a day 0.6 mg once a day 0.3 mg once a day 0.3 mg once every other day 1.2 mg (2 tablets) followed by 0.6 mg (1 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. 0.6 mg (1 tablet) x 1 dose. Dose to be repeated no earlier than 3 days. Maximum daily dose of 1.2 mg - 2.4 mg Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day) Table 2. Colchicine Tablets Dose Adjustment for Coadministration with Protease Inhibitors Protease Inhibitor Clinical Comment w/ Colchicine - Prophylaxis of Gout Flares w/o Colchicine – Treatment of Gout Flares w/Colchicine – Treatment of FMF Atazanavir sulfate (Reyataz) Patients with renal or hepatic impairment should not be given colchicine with Reyataz. Original dose Adjusted dose 0.6 mg (1 tablet) x 1 dose, followed by 0.3 mg (1/2 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day) 0.6 mg twice a day 0.6 mg once a day 0.3 mg once a day 0.3 mg once every other day Darunavir (Prezista) Patients with renal or hepatic impairment should not be given colchicine with Prezista/ritonavir. Original dose Adjusted dose 0.6 mg (1 tablet) x 1 dose, followed by 0.3 mg (1/2 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day) 0.6 mg twice a day 0.6 mg once a day 0.3 mg once a day 0.3 mg once every other day Fosamprenavir (Lexiva) with Ritonavir Patients with renal or hepatic impairment should not be given colchicine with Lexiva/ritonavir. Original dose Adjusted dose 0.6 mg (1 tablet) x 1 dose, followed by 0.3 mg (1/2 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day) 0.6 mg twice a day 0.6 mg once a day 0.3 mg once a day 0.3 mg once every other day Fosamprenavir (Lexiva) Patients with renal or hepatic impairment should not be given colchicine with Lexiva/ritonavir Original dose Adjusted dose 1.2 mg (2 tablets) x 1 dose. Dose to be repeated no earlier than 3 days. Maximum daily dose of 1.2 mg (may be given as 0.6 mg twice a day) 0.6 mg twice a day 0.6 mg once a day 0.3 mg twice a day or 0.6 mg once a day 0.3 mg once a day Indinavir (Crixivan) Patients with renal or hepatic impairment should not be given colchicine with Crixivan. Original dose Adjusted dose 0.6 mg (1 tablet) x 1 dose, followed by 0.3 mg (1/2 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day) 0.6 mg twice a day 0.6 mg once a day 0.3 mg once a day 0.3 mg once every other day Lopinavir/ Ritonavir (Kaletra) Patients with renal or hepatic impairment should not be given colchicine with Kaletra. Original dose Adjusted dose 0.6 mg (1 tablet) x 1 dose, followed by 0.3 mg (1/2 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day) 0.6 mg twice a day 0.6 mg once a day 0.3 mg once a day 0.3 mg once every other day Nelfinavir mesylate (Viracept) Patients with renal or hepatic impairment should not be given colchicine with Viracept. Original dose Adjusted dose 0.6 mg (1 tablet) x 1 dose, followed by 0.3 mg (1/2 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day) 0.6 mg twice a day 0.6 mg once a day 0.3 mg once a day 0.3 mg once every other day Ritonavir (Norvir) Patients with renal or hepatic impairment should not be given colchicine with Norvir. Original dose Adjusted dose 0.6 mg (1 tablet) x 1 dose, followed by 0.3 mg (1/2 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day) 0.6 mg twice a day 0.6 mg once a day 0.3 mg once a day 0.3 mg once every other day Saquinavir mesylate (Invirase) Patients with renal or hepatic impairment should not be given colchicine with Invirase/ritonavir. Original dose Adjusted dose 0.6 mg (1 tablet) x 1 dose, followed by 0.3 mg (1/2 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day) 0.6 mg twice a day 0.6 mg once a day 0.3 mg once a day 0.3 mg once every other day Tipranavir (Aptivus) Patients with renal or hepatic impairment should not be given colchicine with Aptivus/ritonavir. Original dose Adjusted dose 0.6 mg (1 tablet) x 1 dose, followed by 0.3 mg (1/2 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day) 0.6 mg twice a day 0.6 mg once a day 0.3 mg once a day 0.3 mg once every other day Treatment of gout flares with colchicine tablets is not recommended in patients receiving prophylactic dose of colchicine tablets and CYP3A4 inhibitors. 2.5 Dose Modification in Renal Impairment Colchicine dosing must be individualized according to the patient's renal function [see Use in Specific Populations (8.6) ] . Cl cr in mL/minute may be estimated from serum creatinine (mg/dL) determination using the following formula: Gout Flares Prophylaxis of Gout Flares For prophylaxis of gout flares in patients with mild (estimated creatinine clearance [Cl cr ] 50 to 80 mL/min) to moderate (Cl cr 30 to 50 mL/min) renal function impairment, adjustment of the recommended dose is not required, but patients should be monitored closely for adverse effects of colchicine. However, in patients with severe impairment, the starting dose should be 0.3 mg/day and any increase in dose should be done with close monitoring. For the prophylaxis of gout flares in patients undergoing dialysis, the starting doses should be 0.3 mg given twice a week with close monitoring [see Clinical Pharmacology (12.3) , Use in Specific Populations (8.6) ] . Treatment of Gout Flares For treatment of gout flares in patients with mild (Cl cr 50 to 80 mL/min) to moderate (Cl cr 30 to 50 mL/min) renal function impairment, adjustment of the recommended dose is not required, but patients should be monitored closely for adverse effects of colchicine. However, in patients with severe impairment, while the dose does not need to be adjusted for the treatment of gout flares, a treatment course should be repeated no more than once every two weeks. For patients with gout flares requiring repeated courses, consideration should be given to alternate therapy. For patients undergoing dialysis, the total recommended dose for the treatment of gout flares should be reduced to a single dose of 0.6 mg (one tablet). For these patients, the treatment course should not be repeated more than once every two weeks [see Clinical Pharmacology (12.3) , Use in Specific Populations (8.6) ] . Treatment of gout flares with colchicine tablets is not recommended in patients with renal impairment who are receiving colchicine tablets for prophylaxis. FMF Caution should be taken in dosing patients with moderate and severe renal impairment and in patients undergoing dialysis. For these patients, the dosage should be reduced [see Clinical Pharmacology (12.3) ] . Patients with mild (Cl cr 50 to 80 mL/min) and moderate (Cl cr 30 to 50 mL/min) renal impairment should be monitored closely for adverse effects of colchicine tablets. Dose reduction may be necessary. For patients with severe renal failure (Cl cr less than 30 mL/min), start with 0.3 mg/day; any increase in dose should be done with adequate monitoring of the patient for adverse effects of colchicine [see Use in Specific Populations (8.6) ] . For patients undergoing dialysis, the total recommended starting dose should be 0.3 mg (half tablet) per day. Dosing can be increased with close monitoring. Any increase in dose should be done with adequate monitoring of the patient for adverse effects of colchicine [see Clinical Pharmacology (12.3) , Use in Specific Populations (8.6) ] . Dosing Calculation 2.6 Dose Modification in Hepatic Impairment Gout Flares Prophylaxis of Gout Flares For prophylaxis of gout flares in patients with mild to moderate hepatic function impairment, adjustment of the recommended dose is not required, but patients should be monitored closely for adverse effects of colchicine. Dose reduction should be considered for the prophylaxis of gout flares in patients with severe hepatic impairment [see Use in Specific Populations (8.7) ] . Treatment of Gout Flares For treatment of gout flares in patients with mild to moderate hepatic function impairment, adjustment of the recommended dose is not required, but patients should be monitored closely for adverse effects of colchicine. However, for the treatment of gout flares in patients with severe impairment, while the dose does not need to be adjusted, a treatment course should be repeated no more than once every two weeks. For these patients, requiring repeated courses for the treatment of gout flares, consideration should be given to alternate therapy [see Use in Specific Populations (8.7) ] . Treatment of gout flares with colchicine tablets is not recommended in patients with hepatic impairment who are receiving colchicine tablets for prophylaxis. FMF Patients with mild to moderate hepatic impairment should be monitored closely for adverse effects of colchicine. Dose reduction should be considered in patients with severe hepatic impairment [see Use in Specific Populations (8.7) ] .

Adverse Reactions

6 ADVERSE REACTIONS Prophylaxis of Gout Flares: The most commonly reported adverse reaction in clinical trials of colchicine for the prophylaxis of gout was diarrhea. Treatment of Gout Flares: The most common adverse reactions reported in the clinical trial with colchicine tablets for treatment of gout flares were diarrhea (23%) and pharyngolaryngeal pain (3%). FMF: Gastrointestinal tract adverse effects are the most frequent side effects in patients initiating colchicine tablets, usually presenting within 24 hours, and occurring in up to 20% of patients given therapeutic doses. Typical symptoms include cramping, nausea, diarrhea, abdominal pain and vomiting. These events should be viewed as dose-limiting if severe, as they can herald the onset of more significant toxicity. • Prophylaxis of Gout Flares: The most commonly reported adverse reaction in clinical trials for the prophylaxis of gout was diarrhea. • Treatment of Gout Flares: The most common adverse reactions reported in the clinical trial for gout were diarrhea (23%) and pharyngolaryngeal pain (3%). • FMF: Most common adverse reactions (up to 20%) are abdominal pain, diarrhea, nausea and vomiting. These effects are usually mild, transient and reversible upon lowering the dose ( 6 ). To report SUSPECTED ADVERSE REACTIONS, contact Dr. Reddy’s Laboratories Inc., at 1-888- 375-3784 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trials Experience in Gout Because clinical studies are conducted under widely varying and controlled conditions, adverse reaction rates observed in clinical studies of a drug cannot be directly compared to rates in the clinical studies of another drug and may not predict the rates observed in a broader patient population in clinical practice. In a randomized, double-blind, placebo-controlled trial in patients with a gout flare, gastrointestinal adverse reactions occurred in 26% of patients using the recommended dose (1.8 mg over one hour) of colchicine tablets compared to 77% of patients taking a nonrecommended high dose (4.8 mg over six hours) of colchicine and 20% of patients taking placebo. Diarrhea was the most commonly reported drug-related gastrointestinal adverse event. As shown in Table 3, diarrhea is associated with colchicine tablets treatment. Diarrhea was more likely to occur in patients taking the high-dose regimen than the low-dose regimen. Severe diarrhea occurred in 19% and vomiting occurred in 17% of patients taking the nonrecommended high-dose colchicine regimen but did not occur in the recommended low-dose colchicine tablets regimen. Table 3. Number (%) of Patients with at Least One Drug-Related Treatment-Emergent Adverse Event with an Incidence of ≥ 2% of Patients in Any Treatment Group MedDRA System Organ Class MedDRA Preferred Term Colchicine Tablets Dose Placebo (N = 59) n (%) High (N= 52) n (%) Low (N = 74) n (%) Number of Patients with at Least One Drug-Related TEAE 40 (77) 27 (37) 16 (27) Gastrointestinal Disorders 40 (77) 19 (26) 12 (20) Diarrhea 40 (77) 17 (23) 8 (14) Nausea 9 (17) 3 (4) 3 (5) Vomiting 9 (17) 0 0 Abdominal Discomfort 0 0 2 (3) General Disorders and Administration Site Conditions 4 (8) 1 (1) 1 (2) Fatigue 2 (4) 1 (1) 1 (2) Metabolic and Nutrition Disorders 0 3 (4) 2 (3) Gout 0 3 (4) 1 (2) Nervous System Disorders 1 (2) 1 (1.4) 2 (3) Headache 1 (2) 1 (1) 2 (3) Respiratory Thoracic Mediastinal Disorders 1 (2) 2 (3) 0 Pharyngolaryngeal Pain 1 (2) 2 (3) 0 6.2 Postmarketing Experience Serious toxic manifestations associated with colchicine include myelosuppression, disseminated intravascular coagulation and injury to cells in the renal, hepatic, circulatory and central nervous systems. These most often occur with excessive accumulation or overdosage [see Overdosage (10) ] . The following adverse reactions have been identified with colchicine. These have been generally reversible upon temporarily interrupting treatment or lowering the dose of colchicine. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Neurological: sensory motor neuropathy Dermatological: alopecia, maculopapular rash, purpura, rash Digestive: abdominal cramping, abdominal pain, diarrhea, lactose intolerance, nausea, vomiting Hematological: leukopenia, granulocytopenia, thrombocytopenia, pancytopenia, aplastic anemia Hepatobiliary: elevated AST, elevated ALT Musculoskeletal: myopathy, elevated CPK, myotonia, muscle weakness, muscle pain, rhabdomyolysis Reproductive: azoospermia, oligospermia

Information for Patients

17 PATIENT COUNSELING INFORMATION Advise the patient to read the FDA-approved patient labeling ( Medication Guide ). Dosing Instructions: Patients should be advised to take colchicine tablets as prescribed, even if they are feeling better. Patients should not alter the dose or discontinue treatment without consulting with their doctor. If a dose of colchicine tablets is missed: • For treatment of a gout flare when the patient is not being dosed for prophylaxis, take the missed dose as soon as possible. • For treatment of a gout flare during prophylaxis, take the missed dose immediately, wait 12 hours, then resume the previous dosing schedule. • For prophylaxis without treatment for a gout flare, or FMF, take the dose as soon as possible and then return to the normal dosing schedule. However, if a dose is skipped the patient should not double the next dose. Fatal Overdose: Instruct patient that fatal overdoses, both accidental and intentional, have been reported in adults and children who have ingested colchicine. Colchicine tablets should be kept out of the reach of children. Blood Dyscrasias: Patients should be informed that bone marrow depression with agranulocytosis, aplastic anemia and thrombocytopenia may occur with colchicine tablets. Drug and Food Interactions: Patients should be advised that many drugs or other substances may interact with colchicine tablets and some interactions could be fatal. Therefore, patients should report to their healthcare provider all of the current medications they are taking and check with their healthcare provider before starting any new medications, particularly antibiotics. Patients should also be advised to report the use of nonprescription medication or herbal products. Grapefruit and grapefruit juice may also interact and should not be consumed during colchicine tablets treatment. Neuromuscular Toxicity: Patients should be informed that muscle pain or weakness, tingling or numbness in fingers or toes may occur with colchicine tablets alone or when it is used with certain other drugs. Patients developing any of these signs or symptoms must discontinue colchicine tablets and seek medical evaluation immediately. Infertility: Advise males of reproductive potential that colchicine tablets may rarely and transiently impair fertility [see Use in Specific Populations (8.3) ] .

Clinical data sourced from openFDA drug labeling. For complete prescribing information, consult the full drug label.