calcium carbonate/vitamin b12/folic acid/vitamin b6 - oral, Premesis RX (cont.)
PRECAUTIONS: Before taking this medication, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies.Before taking this medication, tell your doctor or pharmacist your medical history, especially of: vitamin B12 deficiency (pernicious anemia).This medication is recommended for use during pregnancy. Certain spinal cord birth defects may be prevented by getting adequate amounts of folic acid during pregnancy. Consult your doctor for more details.This medication passes into breast milk. While there have been no reports of harm to nursing infants, consult your doctor before breast-feeding.
DRUG INTERACTIONS: Your healthcare professionals (e.g., doctor or pharmacist) may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop or change the dosage of any medicine before checking with them first.This drug should not be used with the following medications because very serious interactions may occur: certain anti-cancer drugs (e.g., altretamine, cisplatin).If you are currently using any of these medications listed above, tell your doctor or pharmacist before starting this medication.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially: certain anti-seizure drugs (e.g., phenytoin), chloramphenicol, levodopa, pyrimethamine.The calcium in this product can decrease the absorption of other drugs such as tetracycline antibiotics (e.g., doxycycline, minocycline), estramustine, bisphosphonates (e.g., alendronate), levothyroxine, and quinolone antibiotics (e.g., ciprofloxacin, levofloxacin). Therefore, separate your doses of these medications as far as possible from your dose of this product. Ask your doctor or pharmacist about how long you should wait between doses and for help finding a dosing schedule that will work with all your medications.This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.
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