If you're pregnant or nursing, check with your provider first so your plan matches your situation
However, there is very little reason why a postmenopausal woman should be taking iron -- see the Iron Supplement Review for more
Injecting the drug into skin thats bruised or damaged could also cause an infection or prevent your body from properly absorbing the drug
K., Kim, K., Yoo, Y., et al
"Biochemical indicators of B vitamin status in the US population after folic acid fortification: results from the National Health and Nutrition Examination Survey 19992000"
You can try to reduce this side effect by eating healthy foods that wont irritate your digestive tract, such as bananas, potatoes, or oatmeal