"The Food and Drug Administration (FDA) has announced that, in response to a trend in which caffeine is being added to a growing number of products, the agency will investigate the safety of caffeine in food products, particularly its effects on c"...
Allergic sensitization has been reported following both oral and parenteral administration of folacin (folic acid). Paresthesia, somnolence, nausea and headaches have been reported with pyridoxine. Mild transient diarrhea, polycythemia vera, itching, transitory exanthema, and the feeling of swelling of the entire body has been associated with cyanocobalamin.
Read the Foltx (folacin, cyanocobalamin & pyridoxine) Side Effects Center for a complete guide to possible side effects
Pyridoxine supplements should not be given to patients receiving the drug levodopa, because the action of levodopa is antagonized by pyridoxine. However, pyridoxine may be used concurrently in patients receiving a preparation containing both carbidopa and levodopa. Concurrent use of phenytoin and folacin (folic acid) may result in decreased phenytoin effectiveness.
Last reviewed on RxList: 6/30/2008
This monograph has been modified to include the generic and brand name in many instances.
Additional Foltx Information
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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.
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