Ver el código de «Folic acid»

==Administration==
*Type: Vitamin
*Dosage Forms: 
*Routes of Administration: IV/IM, oral
*Other names: folate, vitamin B9

==Adult Dosing==
*Recommended daily allowance: 400 mcg/day (nonpregnant/lactating), 600 mcg/day (pregnant), 500 mcg/day (lactating)
*Folic acid deficiency, megaloblastic anemia: 
**Up to 1mg IV/IM or PO daily
**Maintenance: 0.4mg/day PO (non-pregnant/lactating) or 0.8mg/day PO (pregnant or lactating)
*Methotrexate toxicity: 1mg/day PO '''OR''' 5mg/week 

==Pediatric Dosing==
*Folic acid deficiency
**up to 1mg IV/IM or PO daily
**maintenance
***infants, 0.1 mg/day
***infant-4yo: up to 0.3 mg/day
***>4 yo: 0.4 mg/day

==Special Populations==
*[[Drug Ratings in Pregnancy|Pregnancy Rating]]: A
*[[Lactation risk categories|Lactation risk]]: Infant risk minimal
*Renal dosing: not defined
*Hepatic dosing: not defined
*Chronic alcoholism: may need increased doses

==Contraindications==
*Allergy to class/drug

==Adverse Reactions==
===Serious===
*Allergic condition
===Common===
*Bad taste in mouth (large doses)
*Nausea, loss of appetite
*Confusion, irritability, sleep disturbance

==Pharmacology==
*Half-life: 
*Metabolism: Hepatic
*Excretion: Renal

==Mechanism of Action==
*Converted to tetrahydrofolic acid, which is necessary for normal erythropoiesis, purine and thymidylate synthesis, amino acids metabolism, and histidine metabolism. 

==Comments==

==See Also==
*[[Vitamin B9 deficiency]]

==References==
<references/>
[[Category:Pharmacology]] [[Category: FEN]]