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Nitrofurantoin Coupon - Nitrofurantoin 100mg capsule
NitrofurantoinGeneric Furadantin, Macrodantin
NITROFURANTOIN is an antibiotic. It is used to treat urinary tract infections. The lowest GoodRx price for the most common version of nitrofurantoin is around $17.46, 60% off the average retail price of $43.75. Compare nitrofuran antibiotics.
Prescription Settings
14 capsules
Nitrofurantoin Coupon - Nitrofurantoin 100mg capsule
14 capsules

Nitrofurantoin Side Effects

What should I watch for?

Tell your doctor or health care professional if your symptoms do not improve or if you get new symptoms. Drink several glasses of water a day. If you are taking this medicine for a long time, visit your doctor for regular checks on your progress.

If you are diabetic, you may get a false positive result for sugar in your urine with certain brands of urine tests. Check with your doctor.


Common and Rare Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

More common

Changes in facial skin color

chest pain




general feeling of discomfort or illness




joint or muscle pain

shortness of breath

skin rash

sudden trouble in swallowing or breathing

swelling of the face, mouth, hands, or feet

troubled breathing

Less common

Black, tarry stools

blood in the urine or stools

burning, numbness, tingling, or painful sensations




pinpoint red spots on the skin

sore throat

unsteadiness or awkwardness

unusual bleeding or bruising

unusual tiredness or weakness

weakness in the arms, hands, legs, or feet


Abdominal or stomach pain


blistering, peeling, or loosening of the skin and mucous membranes

blue-yellow color blindness

bluish color of the fingernails, lips, skin, palms, or nail beds

blurred vision or loss of vision, with or without eye pain

bulging soft spot on the head of an infant

change in the ability to see colors, especially blue or yellow


cracks in the skin

darkening of the urine

decreased vision


diarrhea, watery and severe, which may also be bloody

eye pain

general tiredness and weakness

light-colored stools

loss of appetite

loss of heat from the body

mental depression

mood or mental changes

nausea or vomiting

pale skin

pale stools

red skin lesions, often with a purple center

red, irritated eyes

red, swollen skin

red, thickened, or scaly skin

skin rash

sores, ulcers, or white spots on the lips or in the mouth

swollen or painful glands

tenderness of salivary glands

unpleasant breath odor

upper right abdominal pain

visual changes

vomiting of blood

wheezing or tightness in the chest

yellow eyes or skin

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common



Incidence not known

Dizziness or lightheadedness

feeling of constant movement of self or surroundings

lack or loss of strength

loss of hair, temporary

sensation of spinning

uncontrolled eye movements

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

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