Leucovorin
FDA Approves Genetic Test to Help Some Colon Cancer Patients »
"The therascreen KRAS RGQ PCR Kit can provide information about the KRAS gene mutation in patients whose CRC has spread to other parts of their body (metastasized). Studies have found that Eribitux is not effective in those who have the mut"...
Read the FDA Approves Genetic Test to Help Some Colon Cancer Patients article »
Leucovorin Calcium
Leucovorin Calcium Tablet
DRUG DESCRIPTION
Leucovorin Calcium Tablets contain either 5 mg or 25 mg leucovorin as the calcium salt of N-[4-[[(2-amino-5-formyl-1, 4, 5, 6, 7, 8-hexahydro-4-oxo-6-pteridinyl)-methyl]amino]benzoyl]-L-glutamic acid. This is equivalent to 5.40 mg or 27.01 mg of anhydrous leucovorin calcium (leucovorin calcium (leucovorin calcium (leucovorin calcium tablets) tablets) tablets) . In addition each tablet contains the following inactive ingredients: colloidal silicon dioxide, croscarmellose sodium, lactose monohydrate, magnesium stearate, and microcrystalline cellulose. The 25mg tablet also contains D&C yellow no. 10 and FD&C blue no. 1.
Leucovorin is a water soluble form of reduced folate in the folate group; it is useful as an antidote to drugs which act as folic acid antagonists. These tablets are intended for oral administration only. The structural formula of leucovorin calcium (leucovorin calcium (leucovorin calcium (leucovorin calcium tablets) tablets) tablets) is:
![]() |
C20H21CaN7O7........M.W.=511.51
What are the possible side effects of leucovorin ()?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome. You may report side effects to FDA at...
Read All Potential Side Effects and See Pictures of Leucovorin Calcium »
What are the precautions when taking leucovorin calcium tablets (Leucovorin Calcium)?
Before taking leucovorin, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: certain anemias (due to vitamin B12 deficiency).
During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.
It is unknown if this medication passes into breast milk. Consult your doctor before...
Last reviewed on RxList: 6/25/2008
This monograph has been modified to include the generic and brand name in many instances.
Additional Leucovorin Calcium Information
Leucovorin Calcium - User Reviews
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Cancer
Get the latest treatment options.







