Doctor insights on:
I got Nitrofurantonin (Macrobid) for the UTI and does this affect Azurette(BCP) and how long do I have to use back-up? Only while on antibiotics?
BC interference.: Antibiotics that have been shown to interact with birth control pills include rifampin, and to a lesser extent, penicillin, amoxicillin, ampicillin, sulfamethoxazole/trimethoprim, tetracycline, minocycline, metronidazole and nitrofurantoin. Check with your pharmacist for this interaction. ...Read more
Nitrofurantoin is an antibiotic which is marketed under the following brand names; niftran, furadantin, (nitrofurantoin) furabid, macrobid, macrodantin, nitrofur mac, nitro macro, nifty-sr, martifur-mr, uro-tablinen or nifuretten (in germany), martifur-100 (in india), urantoin, nifuran (in macedonia) and uvamin (in middle east). It is usually used in treating urinary tract infection. It is often ...Read more
If taken for 3 days, how long does macrobid stay in your body and effect birth control (Alesse) or emergency contraceptive (taken 7 days later) use ?
Could taking the off brand of Macrobid cause pregnancy if I had unprotected sex 3 days before use and I am on the birth control pill?
I take Macrobid every time I have sex because I have reoccurring uti's, i heard it causes liver/lung problems& fibrosis, is long term use safe?
Macrobid: Macrobid has been used for many years for treatment of uti's both acute and chronic and also as prophylaxis in preventing uti's in sexually active women. Patients on any long term drug need to be monitored by their physician. There possible problems with the long term use of this drugs, liver function needs to be monitored. There are rare lung complications including lung fibrosis. ...Read moreSee 1 more doctor answer
Macrobid: Macrobid is the drug Nitrofurantoin in a special matrix so that the active drug is released over an extended period. This allows twice a day dosing for a drug that is normally given 4 times a day. Opening the tablet will destroy the time-release system. This will cause an overdose of the drug to enter the circulation and then there will be a period when no drug is released.Don't open the tablet. ...Read more
Half life not long: Up to 1 hour. It's not the medication making you feel ill, but the prescribing MD should be notified as soon as you can. ...Read more
24hours: Half life is 12 hours. That means the half of the total dose taken will be gone after 12 hours and then another 12 hours 50% from the other half will be gone and so forth. ...Read more
Furadantin (nitrofurantoin): This should not be taken chronically in this manner. It has numerous potentially very severe side-effects including interstitial pneumonia and others. It is a close cousin of the drug Dilantin which has full texts written about the toxicities. Would stop this now and discuss with the doctor who ordered it. ...Read more
Macrobid says twice a day, which is every 12 hrs. It's 6pm now can I take 1 now then 1 at 12-2am? Then 1 every 12 hours from then on out?
8-12 hours: It isn't necessary to take doses exactly 12 hours apart. Just take it twice a day, with doses at least 8 hours. Otherwise don't worry about it. ...Read more