Furarex Oral

In Depth

persistent diarrhea
abdominal or stomach pain/cramping
blood/mucus in your stool

Use of this medication for prolonged or repeated periods may result in oral thrush or a new vaginal yeast infection (e.g., oral or vaginal fungal infection). Contact your doctor if you notice white patches in your mouth, a change in vaginal discharge, or other new symptoms.

A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include:

rash
itching/swelling (especially of the face/tongue/throat)
severe dizziness
trouble breathing

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Furarex Oral Precautions

Before taking nitrofurantoin, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have:

little or no urine output (oliguria or anuria)
severe kidney disease
certain genetic conditions (glucose-6-phosphate dehydrogenase deficiency)
a history of liver problems due to nitrofurantoin use in the past

Before using this medication, tell your doctor or pharmacist your medical history, especially of:

certain blood disorders (e.g., anemia)
kidney or liver problems
lung diseases
certain nerve problems (peripheral neuropathy)
certain eye diseases (optic neuritis)
diabetes
untreated mineral imbalance
vitamin B deficiency

This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.

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