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Lanthanum Carbonate

Also known as: Fosrenol

Route: Oral

Check Lanthanum Carbonate Interactions →

10 interactions on record

Lanthanum Carbonate has 10 known drug interactions based on U.S. FDA drug labeling data. 3 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with Ciprofloxacin, Levothyroxine, Macrolide Antibiotics. Patients taking Lanthanum Carbonate should inform their healthcare provider of all current medications — including over-the-counter drugs and supplements — to avoid potentially harmful combinations. Data sourced from OpenFDA and the NIH National Library of Medicine.

Total: 10
Major: 3
Moderate: 6

Major (3)

Lanthanum Carbonate + Ciprofloxacin— Lanthanum carbonate reduces bioavailability of ciprofloxacin by approximately 50%. Administer at least 1 hour before or …
Lanthanum Carbonate + Levothyroxine— Lanthanum carbonate decreases levothyroxine bioavailability by approximately 40%. Administer at least 2 hours before or …
Lanthanum Carbonate + Macrolide Antibiotics— Oral quinolone antibiotics may have reduced absorption when co-administered with lanthanum carbonate. Separate dosing by…

Moderate (6)

Lanthanum Carbonate + Ampicillin— Lanthanum carbonate may reduce bioavailability of ampicillin. Do not administer within 2 hours of lanthanum carbonate do…
Lanthanum Carbonate + Anti-Malarials— Lanthanum carbonate may reduce bioavailability of anti-malarial drugs. Do not administer within 2 hours of lanthanum car…
Lanthanum Carbonate + Mao Inhibitors— Lanthanum carbonate may reduce bioavailability of ACE inhibitors. Do not administer within 2 hours of lanthanum carbonat…
Lanthanum Carbonate + Statins— Lanthanum carbonate may reduce bioavailability of statins. Do not administer within 2 hours of lanthanum carbonate dosin…
Lanthanum Carbonate + Tecovirimat Monohydrate— Phosphate binder increases tecovirimat bioavailability. Monitor for signs or symptoms of adverse effects.
Lanthanum Carbonate + Tetracycline— Lanthanum carbonate may reduce bioavailability of tetracyclines. Do not administer within 2 hours of lanthanum carbonate…

Lanthanum Carbonate + Ciprofloxacin⚠️Major

Lanthanum carbonate reduces bioavailability of ciprofloxacin by approximately 50%. Administer at least 1 hour before or 4 hours after lanthanum carbonate.

Lanthanum Carbonate + Levothyroxine⚠️Major

Lanthanum carbonate decreases levothyroxine bioavailability by approximately 40%. Administer at least 2 hours before or after lanthanum carbonate and monitor TSH levels.

Lanthanum Carbonate + Macrolide Antibiotics⚠️Major

Oral quinolone antibiotics may have reduced absorption when co-administered with lanthanum carbonate. Separate dosing by at least 1 hour before or 4 hours after.

Lanthanum Carbonate + Ampicillin🟡Moderate

Lanthanum carbonate may reduce bioavailability of ampicillin. Do not administer within 2 hours of lanthanum carbonate dosing.

Lanthanum Carbonate + Anti-Malarials🟡Moderate

Lanthanum carbonate may reduce bioavailability of anti-malarial drugs. Do not administer within 2 hours of lanthanum carbonate dosing.

Lanthanum Carbonate + Mao Inhibitors🟡Moderate

Lanthanum carbonate may reduce bioavailability of ACE inhibitors. Do not administer within 2 hours of lanthanum carbonate dosing.

Lanthanum Carbonate + Statins🟡Moderate

Lanthanum carbonate may reduce bioavailability of statins. Do not administer within 2 hours of lanthanum carbonate dosing.

Lanthanum Carbonate + Tecovirimat Monohydrate🟡Moderate

Phosphate binder increases tecovirimat bioavailability. Monitor for signs or symptoms of adverse effects.

Lanthanum Carbonate + Tetracycline🟡Moderate

Lanthanum carbonate may reduce bioavailability of tetracyclines. Do not administer within 2 hours of lanthanum carbonate dosing.

Lanthanum Carbonate + Quinoloneℹ️Unknown

( 7.1 ) Oral quinolone antibiotics must be taken at least 1 hour before or 4 hours after lanthanum carbonate chewable tablets. Examples of relevant classes of compounds where antacids have been demonstrated to reduce bioavailability include antibiotics (such as quinolones, ampicillin, and tetracyclines), thyroid hormones, ACE inhibitors, statin lipid regulators, and anti-malarials. 7.2 Quinolone Antibiotics Co-administration of lanthanum carbonate with quinolone antibiotics may reduce the extent of their absorption.

Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine. For informational purposes only. Always consult your pharmacist or physician.