Do I need to worry about a back up method besides birth control bill (microgestin 1/20) while taking nitrofurantoin mono for a uti?

No, you do not . There is no need to use a back up method for taking antibiotics. This is no longer the recommendation. As long as you are taking the birth control pills regularly as instructed by your physician, you should be well protected.

Related Questions

I have a uti. Will nitrofurantoin mono affect my birth control?

Possibly. Some antibiotics can have an effect on some birth control pills. Check with the doctor who prescribed the birth control pill. Read more...
Should be fine. These medications are not known to not negatively interact, so taking them together should be fine. Read more...