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Martifur - 100 mg (Macrodantin )

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Quick Overview


    Pack SizePrice
Martifur - 100 mg $4.0500New
US Brand NameMacrodantin
Strength100 mg
Generic NameNitrofurantoin
Manufacturer Walter Bushnell
Pharmaceutical FormTablet/s


Martifur - 100 mg

This drug constitutes a generic name Nitrofurantoin, which is an antibiotic medication prescribed to treat urinary tract infections. It is also prescribed for other medical conditions not described here. It is marketed under various trade names including Macrodantin and Martifur (made by Walter Bushnell).

Important Information about Nitrofurantoin

Avoid this drug if you are allergic to it or if you have severe kidney infections urination problems, or a history of jaundice or liver problems caused by Nitrofurantoin. Women who are in their last 2-4 weeks of pregnancy stage should avoid taking this dose.   You should inform your doctor about these conditions beforehand: if you have or have ever had kidney disease, anemia, diabetes, an electrolyte imbalance or vitamin B deficiency, a genetic enzyme deficiency, or any type of debilitating disease. It is generally recommended that you should take this drug with food. Don’t take any kind of antacids while taking Nitrofurantoin. Take Nitrofurantoin regularly and complete the full medication course.

Before taking Nitrofurantoin

In order to make sure whether this medication is safe for you, inform your doctor if you have these conditions: kidney disease, anemia, diabetes, an electrolyte imbalance or vitamin B deficiency, glucose-6-phosphate dehydrogenase (G6PD) deficiency, or any type of debilitating disease.      

Dosage information

All medications must be taken on the basis of your doctor’s recommendation. Do not alter the dosage unless your doctor advices you to do so. Prohibit the use of this drug if the prescription period is over. All medicines come along with a patient leaflet; you should go through the leaflet to know detailed information. Always store the medicine in a cool and dry place.

What if you miss a dose

If you miss a dose of Nitrofurantoin, take the medicine as soon as you remember. Don’t take the missed one if the time to take the next dose is close. Taking multiple dose of Nitrofurantoin can be harmful.   

What if you overdose

In case of an overdose, seek medical attention immediately or contact your doctor.

Things to avoid

Antibiotic medicine may cause diarrhea. Don’t take any kind of diarrhea medicine without asking your doctor. Also, don’t ingest any antacids without your doctor’s advice.   

Side effects

Some common side effects are nausea, vomiting, loss of appetite, or headache. To reduce these symptoms, take this medicine with food. If these conditions do not vanish and become worsen, seek medical care on the immediate basis. Dark yellow or brown urine may result while you are being treated with this medicine. This effect is harmless and disappears when you stop the medicine. It rarely causes serious side effects such as lung problems. Symptoms related to lung problems are chest pain, shortness of breath, or unusual/persistent cough.  Other serious side effects are new signs of infection (fever, persistent sore throat), easy bruising/bleeding, mental/mood changes, persistent or severe headache, or vision changes. Contact your doctor right away if you experience any serious condition after taking this drug.

Interaction with other drugs

Many other medicines may interfere the functioning of Nitrofurantoin, especially these magnesium salicylates, choline magnesium, and probenecid. Never start a new medication without your doctor’s permission.


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