Medscape - Infection-specific dosing for Macrobid, Macrodantin (nitrofurantoin), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Macrobid is taken for treating Kidney Infection. 399 patients conversations about taking Macrobid for Kidney Infection. Nitrofurantoin is recommended for treatment of infections of the lower urinary tract (that is, infection of the urinary bladder, or cystitis). It is not used for infections affecting the kidneys (upper urinary tract infection, or pyelonephritis). Macrobid will not treat a viral infection such as the common cold or flu. Macrobid is usually given for 5 days in females and 7 days in males for uncomplicated UTI. If you use this medicine long-term, for prevention of UTI, you may need frequent medical tests at your doctor's office. What is the dosage for nitrofurantoin (Macrobid, Macrodantin, Furadantin)? The recommended adult dose for treating urinary tract infections is 50-100 mg 4 times daily (Macrodantin, Furadantin) or 100 mg every 12 hours (Macrobid) for 7 days or for 3 days after obtaining sterile urine. Common Questions and Answers about Nitrofurantoin and kidney infection macrobid Looking for some advice, have had a kidney infection on and off for the last two months, i have been on four weeks of different antib's and have had renal ultra sound. Prescribing Macrobid in the absence of a proven or strongly suspected bacterial infection or a prophylactic indication is unlikely to provide benefit to the patient and increases the risk of the development of drug-resistant bacteria. 6 May 2017 What Antibiotics are Used for a Kidney Infection? What Antibiotics are Used for a Kidney Infection? Curing kidney infections always require you to take an antibiotic for kidney infection to prevent bacteria from multiplying. How to use Macrobid. Take this medication by mouth with food as directed by your doctor, usually twice daily (every 12 hours). Swallow the medication whole for best results. Doctors give unbiased, trusted information on the benefits and side effects of Macrobid to treat Kidney Infection: Dr. Tillett on kidney infection macrobid: Can work but it depends on the area and the resistance of the bacteria in same. These differ place to place. It will work if the culture was done and it showed sensitivity..