Vitamin B 9 (Folic Acid)

Question 1

What is vit. B9 used for?

Answer 1

Used to treat anemias and to prevent neural tube defects in newborns

Question 2

Mechanism of Action

Answer 2

Stimulates production of RBCs, WBCs, & platelets

Question 3

Pregnancy Category

Answer 3

Pregnancy Category A

Question 4

Contraindications

Answer 4

• Patients w/ allergies to B vitamins

Question 5

Precautions

Answer 5

• Caution if used to treat undiagnosed anemias

Question 6

Drug Interactions

Answer 6

• Antagonized by folic acid inhibitors such as methotrexate

- Increases metabolism of dilantin which can increase seizures

Question 7

Adverse Effects

Answer 7

• Warm or flushing w/ IV dose
• Irritability
• Depression
• Rash
• Itching
• Nausea
• Shortness of breath

Question 8

Severe Adverse Effects

Answer 8

• Stimulation of abnormal cell growth