Nitrofurantoin is sometimes taken on an ongoing basis to prevent bladder infections.
Take at a Different Time of Day
Magnesium supplements might impair the absorption of nitrofurantoin,1
so do not take magnesium during the 2 hours before or after your nitrofurantoin dose.
Pronsky Z (ed.). Powers and Moore's food medication interactions, 10th ed. Pottstown, PA: Food-Medication Interactions, 1997: 172.
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.