Nitrofurantoin Side Effects and Warnings

What are the precautions when taking this medicine?

• Check medicines with healthcare provider. This medicine may not mix well with other medicines.

• Avoid alcohol (includes wine, beer, and liquor).

• Be careful if you have G6PD deficiency. Anemia may occur.

• Tell healthcare provider if you are pregnant or plan on getting pregnant.

• Tell healthcare provider if you are breast-feeding.

What are some possible side effects of this medicine?

• Headache.

• Nausea or vomiting. Small frequent meals, frequent mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help.

• Change in color of urine to black, brown, or yellow.

Reasons to call healthcare provider immediately

• If you suspect an overdose, call your local poison control center or emergency department immediately.

• Signs of a life-threatening reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.

• Chest pain or pressure.

• Numbness or tingling of hands or feet.

• Difficulty breathing.

• Persistent cough.

• Severe nausea or vomiting.

• Severe diarrhea, even after medicine is stopped.

• Yellow skin or eyes.

• Not able to eat.

• Feeling extremely tired or weak.

• Any rash.

• No improvement in condition or feeling worse.