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Doctor insights on: Long Term Effects Of Macrobid

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What would you consider a long term usage of macrobid? I have taken it daily for 1 1/2 years.

What would you consider a long term usage of macrobid? I have taken it daily for 1 1/2 years.

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

Dr. Jeffrey Stevens
327 Doctors shared insights

Nitrofurantoin (Definition)

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


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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?

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 more

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How long would I have effects from a severe allergic reaction to macrobid?

How long would I have effects from a severe allergic reaction to macrobid?

Depends: It depends on what kind of reactions you experienced from the macrobid. If hives or rash, I would expect it to go away in days. We need more details on the timing and the type of reactions. ...Read more

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Hi, I am having bad nausea side effects from taking Nitrofuratoin MacroBID 100mg. How long after last dose will this stop? Thanks

6 hours likely: Because usually take it every 6 hours unless long acting form, 12 hours. Might try amox [penicillin] works for e.coli bacteria too in uti's or even cephalosporins like cephalexin or cefdinir ...Read more

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How long does it take for Macrobid to get out of your body?

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

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How long does Macrobid stay in your system after taking the last dosage?

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

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How long after starting Macrobid should I feel relief from a uti?

How long after starting Macrobid should I feel relief from a uti?

2-4 days: 2-4 days is usual. If it lasts longer, especially if there is a fever, you should go back and see your doctor as it could mean an ascending infection into the kidneys. ...Read more

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I have a bottle of Macrobid dispensed april 27, 2012 with no expiration on it. I sense a UTI burning symptoms. Should I take it and for how long?

No: Medication more than a year old should probably not be used as a general principal. More importantly, it is not a good idea to self treat. You need at least a culture and probably a quick exam. ...Read more

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How long after taking Macrobid can you drink alcohol?

Furadantoin/ethanol: Occasionally the GI side-effects of nausea, vomiting and discomfort which can be seen with furadantoin may be worsened if the patient is drinking alcohol. If the furadantoin is well tolerated there should be no contraindication to drinking alcohol. Use your best judgement. ...Read more

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How long does it take for the side effect of brown urine to subside when taking the drug Macrobid for a uti?

Varies: The brownish coloration or the urine is from blood in the urine because your baldder was irritated by an infection, for which you are now on the macrobid. However, it may take just a couple of days for the blood to clear up, or s long as a week if it was really irritated. Also, if the infection went up to yor kidneys, could even be longer. Drink lots of water to flush and make sure to finish meds! ...Read more

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I'm having knee and leg pain after having taken Macrobid. How long will this last?

I'm having knee and leg pain after having taken Macrobid. How long will this last?

Call your doctor: Macrobid is a treatment for urinary tract infections. Typical side effects are stomach pain, weakness, and nausea. One of the several side effects that indicate a need to contact your physician is joint pain. Call your prescribing physician and report your knee joint pain. ...Read more

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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?

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

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Is Macrobid (antibiotic) safe or unsafe for people with a pre-existing prolonged QT interval? Will it prolong QT even more?

Is Macrobid (antibiotic) safe or unsafe for people with a pre-existing prolonged QT interval? Will it prolong QT even more?

Safe in Long QT: Always tell prescribing doc about anything & everything you're taking, including dietary supplements. Also tell him/her about conditions that might affect medication choice eg allergies & abnormal heart conditions eg Family History of sudden cardiac death. Check out http://www. Sads. Org. Uk/drugs_to_avoid. Htm for list of medications to avoid in long QT syndrome. ...Read more

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Have panic attack took Macrobid last night never had allergy to it. How long should I fear allergic reaction happening?

Have panic attack took Macrobid last night never had allergy to it. How long should I fear allergic reaction happening?

Unusual reaction: I would double that this is from macrobid, certainly not typical for allergic reactions. ...Read more