Macrobid

Urinary Tract Infections, Cystitis

Treatment

2 FDA approvals

9 Active Studies for Macrobid

What is Macrobid

Nitrofurantoin

The Generic name of this drug

Treatment Summary

Nitrofurantoin is an antibiotic used to treat simple urinary tract infections. The drug works by blocking the production of proteins, DNA and RNA, which stops bacteria from multiplying. Nitrofurantoin is generally used as a second-line treatment after other antibiotics, such as trimethoprim/sulfamethoxazole, have failed. It was approved by the FDA in 1953 and has proven to be more resistant to bacteria becoming resistant to it.

Furadantin

is the brand name

image of different drug pills on a surface

Macrobid Overview & Background

Brand Name

Generic Name

First FDA Approval

How many FDA approvals?

Furadantin

Nitrofurantoin

1953

247

Approved as Treatment by the FDA

Nitrofurantoin, otherwise called Furadantin, is approved by the FDA for 2 uses such as Cystitis and Urinary Tract Infections .

Cystitis

Urinary Tract Infections

Effectiveness

How Macrobid Affects Patients

Nitrofurantoin works by disrupting important processes in bacteria, causing them to die. It is quickly absorbed and cleared out of the body, making it an effective treatment.

How Macrobid works in the body

Nitrofurantoin is changed by bacteria in the body into substances that stop the citric acid cycle and the creation of DNA, RNA, and protein.

When to interrupt dosage

The advocated dosage of Macrobid is contingent upon the identified condition. The measure of dosage may differ, in line with the method of delivery (e.g. Capsule or Capsule - Oral) indicated in the table beneath.

Condition

Dosage

Administration

Urinary Tract Infections

50.0 mg, , 100.0 mg, 25.0 mg, 25.0 mg/mL, 75.0 mg, 105.7 mg, 80.7 mg, 5.0 mg/mL

, Capsule, Oral, Capsule - Oral, Suspension, Suspension - Oral, Tablet - Oral, Tablet

Cystitis

50.0 mg, , 100.0 mg, 25.0 mg, 25.0 mg/mL, 75.0 mg, 105.7 mg, 80.7 mg, 5.0 mg/mL

, Capsule, Oral, Capsule - Oral, Suspension, Suspension - Oral, Tablet - Oral, Tablet

Warnings

Macrobid has nine contraindications, so it should not be taken when dealing with the situations given in the table below.

Macrobid Contraindications

Condition

Risk Level

Notes

Anuria

Do Not Combine

Pulse Frequency

Do Not Combine

imminent onset of labor

Do Not Combine

Term Birth (Pregnancy)

Do Not Combine

Jaundice, Obstructive

Do Not Combine

Liver Dysfunction

Do Not Combine

Oliguria

Do Not Combine

Parturition

Do Not Combine

Labour

Do Not Combine

There are 20 known major drug interactions with Macrobid.

Common Macrobid Drug Interactions

Drug Name

Risk Level

Description

Cinoxacin

Major

The therapeutic efficacy of Cinoxacin can be decreased when used in combination with Nitrofurantoin.

Ciprofloxacin

Major

The therapeutic efficacy of Ciprofloxacin can be decreased when used in combination with Nitrofurantoin.

Delafloxacin

Major

The therapeutic efficacy of Delafloxacin can be decreased when used in combination with Nitrofurantoin.

Difloxacin

Major

The therapeutic efficacy of Difloxacin can be decreased when used in combination with Nitrofurantoin.

Enoxacin

Major

The therapeutic efficacy of Enoxacin can be decreased when used in combination with Nitrofurantoin.

Macrobid Toxicity & Overdose Risk

Some of the symptoms of an overdose of nitrofurantoin include vomiting. To treat an overdose, you should induce vomiting if it has not already occurred and drink more fluids to help flush the drug out of your system. In serious cases, nitrofurantoin can be removed from the bloodstream with dialysis.

image of a doctor in a lab doing drug, clinical research

Macrobid Novel Uses: Which Conditions Have a Clinical Trial Featuring Macrobid?

10 active trials are currently assessing the potential of Macrobid to alleviate symptoms of Urinary Tract Infection.

Condition

Clinical Trials

Trial Phases

Cystitis

0 Actively Recruiting

Urinary Tract Infections

7 Actively Recruiting

Not Applicable, Phase 4

Macrobid Reviews: What are patients saying about Macrobid?

5

Patient Review

6/3/2022

Macrobid for Bacterial Urinary Tract Infection

I'm grateful that I haven't had any side effects from this medication. The UTI was so painful that I went to the ER early Wednesday morning. By Wednesday evening, the symptoms had subsided almost completely. Thursday midday, I felt back to normal (besides my sleep schedule being totally screwed up).

3

Patient Review

6/30/2022

Macrobid for Bacterial Urinary Tract Infection

Though this drug was effective in treating my burning, I experienced some very intense side effects a few hours later. Thankfully, they didn't last too long and I woke up feeling better the next day.

3

Patient Review

9/18/2022

Macrobid for Bacterial Urinary Tract Infection

I had a really terrible experience with this medication. The first dose gave me a headache, and the second made me feel like I was dying. I went to the ER, but they couldn't find anything wrong with me. I'm having awful nightmares now and I'm not even sure if I can finish the full course of treatment.

2.7

Patient Review

9/24/2022

Macrobid for Bacterial Urinary Tract Infection

Almost immediately after taking this drug, I started experiencing a range of concerning symptoms like joint pain, sweating, fever, chills, exhaustion, vision problems, dizziness, nausea, and shortness of breath. Thankfully, I didn't wind up going to the ER--but only because the side effects abated a few days later.

2

Patient Review

5/26/2022

Macrobid for Urinary Tract Infection due to E. Coli Bacteria

I was prescribed this antibiotics twice for the last 2 UTI's that I had. The first time, my only side effects were headaches and fatigue. Now, the second time I was prescribed this, I felt awful - nothing like the first time. Migraines, nausea/vomiting, and overall body weakness. I wasn't able to go to work or get out of the bed. I am currently on day 3 of 7 and I still feel discomfort in my pelvic area. Please inform yourself of this before you take it..

2

Patient Review

9/8/2022

Macrobid for Urinary Tract Infection due to E. Coli Bacteria

I took Macrobid twice for a mild UTI. The second time I didn't remember which antibiotic I had. Both times I had fever, chills, body aches. There are other antibiotics that also treat UTIs effectively and with fewer side effects. This was a terrible experience and I will never take this medication again.

1.7

Patient Review

11/10/2022

Macrobid for Infection of the Urinary Tract caused by Enterococcus

I had a UTI with no symptoms and discovered it through a routine urine test. I took one macrobid 100mg and now feel awful--body aches, headaches (but no fever), my skin hurts to the touch, dizzy and chilly. This is by far the worst antibiotic I've ever taken.

1.3

Patient Review

7/15/2022

Macrobid for Bacterial Urinary Tract Infection

After taking this medication for just three days, I started experiencing intense leg pain and neuropathy. This was despite the fact that I'm retired from a medical field where I treated patients with urinary tract infections! Needless to say, I stopped taking the pills and will never use them again.

1

Patient Review

7/25/2022

Macrobid for Bacterial Urinary Tract Infection

I would rather suffer from a UTI than take this medication again. I had terrible chills, body aches, and a headache. This antibiotic is poison and should not be on the market.

1

Patient Review

8/27/2022

Macrobid for Bacterial Urinary Tract Infection

I was really sick after taking just two doses of this medication. I had a raging headache, body aches, and joint pain. I thought I was coming down with the flu but it turns out that these are all side effects of the medication!

1

Patient Review

11/5/2022

Macrobid for Bacterial Urinary Tract Infection

I was really sick after taking this medication. It gave me a severe headache, chills, made me sleepy and dizzy, and caused serious nausea.

1

Patient Review

6/24/2022

Macrobid for Bacterial Urinary Tract Infection

I had a terrible experience with this medicine. I felt like I had a severe kidney infection after only taking it for 2.5 days. If you don't feel right while taking this medication, definitely talk to your doctor. I was told that I could be on the verge of a stroke when I spoke with the prescriber.
image of drug pills surrounding a glass of water symbolizing drug consumption

Patient Q&A Section about macrobid

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

Is Macrobid a penicillin?

"Macrobid is an antibiotic that is part of the nitrofuran class. Augmentin, on the other hand, is a combination of a penicillin-type antibiotic and a beta-lactamase inhibitor."

Answered by AI

What is Macrobid antibiotic good for?

"This medication is an antibiotic used to treat bladder infections (acute cystitis) by stopping the growth of bacteria. It will not work for viral infections (such as common cold, flu)."

Answered by AI

How quickly does Macrobid work for UTI?

"It's sold under the brand names Macrobid, Macrodantin, and Furadantin.

Nitrofurantoin is used to treat urinary tract infections. It should start working within three to five days, although it may take up to a week for symptoms to clear. Be sure to complete the full course of medication."

Answered by AI

Is Macrobid the best antibiotic for UTI?

"Nitrofurantoin is an antibiotic that is only effective in treating UTIs. It works by preventing bacteria from being able to create the DNA and proteins they need to survive."

Answered by AI

Clinical Trials for Macrobid

Image of Children's of Alabama in Birmingham, United States.

Antibiotic Duration for Infections in Children

60 - 17
All Sexes
Birmingham, AL

Infections like pneumonia, skin and soft tissue infection (also called SSTI or cellulitis), and urinary tract infections (UTI) are some of the most common reasons children get admitted to the hospital. All three of these conditions require antibiotics for treatment. Although antibiotics are needed to treat the infection and help children feel better, taking them longer than needed can negatively impact children and their families. Negative impacts include things like the burdens of taking more medications and medication side effects. There are guidelines (instructions) from expert medical organizations that suggest the number of days children need antibiotics, but they give a wide range (between 5 and 14 days). Unfortunately, these guidelines are not based on high-quality studies. National data suggests that doctors often choose on the higher end of this range when writing prescriptions for children in the hospital. Our three caregiver co-investigators, other parents of hospitalized children, doctors, other care providers, and researchers, all believe that additional study is needed to determine the best length of antibiotic treatment that weighs both the benefits and harms of antibiotics. The goal of our study is to understand if 5 total days of antibiotic treatment compared to 10 total days of antibiotic treatment is better for children who have been in the hospital for pneumonia, SSTI, or UTI. We will study this question through a randomized control trial. In other words, half of the children will receive 5-days of antibiotics and the other half will receive 10-days of antibiotics. Children in this study (and their caregivers) will not know how many days of antibiotics they will receive to cure their infection because some children will take a placebo (or a pill without antibiotics in it). Only the pharmacy will know if a child is getting antibiotic or placebo (for days 6-10 of treatment). During the first phase of the trial (feasibility phase), 4 hospitals will enroll children in the study. We plan on enrolling 50 patients during this phase. We are starting with just 4 hospitals, so our study team can create and update our study plans if needed. We will closely review information about how many patients and families agree to participate, and if they have any trouble completing any part of the study. We will also interview families to understand the choice to participate in the study, the choice not to participate in the study, and what it is like to be in the study. During the second study phase, we will enroll 1150 more patients across all 11 hospitals. Families will complete short, daily surveys until the 15th day after they started antibiotics, then a larger survey at day 15, at day 20, and at day 30. These surveys will ask about the child's symptoms and recovery from their illness, how the antibiotics are making them feel, and if they had to go back to their doctor, emergency room, or hospital. The answers to these questions will be combined to measure how well the child did, balancing feeling better and having bad effects from the antibiotics. We will use mathematical tests to determine which antibiotic duration is better for treating these illnesses. We will complete other mathematical tests to see if all children should receive the same length of antibiotics or if certain children should be prescribed shorter courses and others longer courses.

Phase 4
Waitlist Available

Children's of Alabama (+9 Sites)

Sunitha V Kaiser, MD, MSc

Image of Medstar National Rehabilitation Hospital in Washington D.C., United States.

Lactobacillus Crispatus for Urinary Tract Infection

18+
All Sexes
Washington D.C., United States

The goal of this clinical trial is to determine whether Lactobacillus crispatus strains isolated from the lower urinary tracts of adult women can be used as an antibiotic-sparing treatment for urinary symptoms and urinary tract infection (UTI) among adults with neurogenic lower urinary tract dysfunction (NLUTD). The main question\[s\] it aims to answer are: 1. To identify soluble bactericidal compounds produced by urinary isolates of L. crispatus that kill uropathogenic E. coli (UPEC). 2. To determine if intravesical instillation of L. crispatus is safe and well tolerated in adults with NLUTD due to SCI who use intermittent catheterization (IC). If there is a comparison group: Researchers will compare L. Crispatus to standard care saline to see if there is a difference in urinary symptoms and urinary microbiome. Participants will be asked to complete daily symptom surveys, complete 2 bladder instillations, and collect, freeze, and return 14 urine samples.

Phase < 1
Recruiting

Medstar National Rehabilitation Hospital

Suzanne Groah, MD

Image of Baylor College of Medicine in Houston, United States.

Educational Tool for Urinary Tract Infections

18+
All Sexes
Houston, TX

Urine culture is the most common microbiological test in the outpatient setting in the United States. Unfortunately, contamination during collection is prevalent and undermines test accuracy, leading to incorrect diagnosis, unnecessary treatment, wasted laboratory resources, and inflated costs. Unnecessary antibiotic treatment increases the risk of developing antimicrobial resistance, one of the most serious threats to patients and public health. The goal of this clinical trial is to test whether a bilingual (English and Spanish) educational intervention, an animated video and pictorial flyer, can reduce urine culture contamination and associated inappropriate antibiotic use in adult patients visiting safety-net primary care clinics. The main questions it aims to answer are: 1. Does providing patients with a bilingual educational intervention reduce urine culture contamination rates? 2. Does the intervention lead to fewer unnecessary urinary antibiotic prescriptions? 3. Does providing patients with a bilingual educational intervention reduce contaminated urinalyses? Researchers will compare patients randomized to receive the educational intervention (video and flyer) to those receiving usual care to see if the intervention improves urine collection accuracy and reduces inappropriate antibiotic use. Participants will watch a short, animated video with step-by-step instructions for proper midstream clean-catch urine (MSCC) collection, receive a pictorial flyer (with stills from the video) reinforcing the instructions, and provide a urine sample for culture. Hypothesis: patients who receive the educational intervention will have: lower urine culture contamination rates (primary outcome), fewer urinary antibiotic prescriptions (secondary outcome), and fewer contaminated urinalyses (secondary outcome). The objectives are to (1) develop educational tools: Create an animated video and pictorial flyer with step-by-step urine collection instructions for women and men, developed through an iterative, stakeholder-engaged process, (2) assess acceptability: Use mixed methods (quantitative surveys and qualitative interviews) to evaluate and refine the tools for usability and cultural/linguistic appropriateness, and (3) test effectiveness: Conduct a randomized controlled trial to assess the intervention's impact on urine contamination rates, antibiotic prescribing, and patient satisfaction.

Waitlist Available
Has No Placebo

Baylor College of Medicine

Larissa Grigoryan, MD, PhD

Image of UPMC Magee-Womens Hospital in Pittsburgh, United States.

Catheterization Methods for Postpartum Urinary Problems

18+
All Sexes
Pittsburgh, PA

At least ten percent of patients have postpartum urinary retention or difficulty urinating after birth, which can cause incontinence and other urinary problems long-term. After getting an epidural placed, patients should be numb in their pelvic region. This numbness makes it difficult to feel the need to urinate, so patients need a urinary catheter placed to empty the bladder. Some patients have one catheter placed throughout their labor and others have a catheter placed to empty the bladder then removed every few hours. The investigators are studying whether placing a catheter once or catheterizing multiple times affects the rate of postpartum urinary problems and infection.

Waitlist Available
Has No Placebo

UPMC Magee-Womens Hospital

Anna Binstock, MD

Have you considered Macrobid clinical trials?

We made a collection of clinical trials featuring Macrobid, we think they might fit your search criteria.
Go to Trials
Image of Atlantic Health in Morristown, United States.

Methenamine for Urinary Tract Infection

18 - 100
Female
Morristown, NJ

Stress urinary incontinence (SUI) affects at least 40% of women in the United States. Synthetic polypropylene mid-urethral slings (MUS) are the gold standard treatment for SUI. Post-operative urinary tract infections (UTI) are one of the most common complications after MUS placement. Some studies have demonstrated that MUS placement can increase the risk of UTI up to 21-34%. Post-operative UTI can lead to significant healthcare and patient burden. This additional burden further contributes to an estimated annual cost of $1.6 billion for UTI management in the United States. With increased antibiotic usage, there is simultaneous increase in bacterial resistance leading to treatment refractory UTI. The investigators prescribe post-operative antibiotics prophylactically for 3 days after MUS placement with or without concurrent pelvic reconstructive surgery based on prior literature recommending post-operative prophylaxis. There is a greater emphasis on limiting antibiotic use given the trend of development of bacterial resistance. There are studies supporting alternatives such as methenamine for recurrent UTI prophylaxis treatment, but there are limited studies evaluating methenamine for UTI prophylaxis after MUS.

Recruiting
Has No Placebo

Atlantic Health

Image of Vriginia Mason Medical Center in Seattle, United States.

Antibiotic Usage for Overactive Bladder

18+
All Sexes
Seattle, WA

Intradetrusor injection of onabotulinumtoxinA, which is performed through a cystoscopic procedure, has been demonstrated to be efficacious in the treatment of both neurogenic and non-neurogenic overactive bladder (OAB), and is FDA approved as a treatment for overactive bladder. Intradetrusor of onabotulinumtoxinA is currently standard of care of patients with OAB who have persistent OAB symptoms despite behavioral therapies and oral medication treatments for OAB. As one of the main adverse events associated with intradetrusor injection of onabotulinumtoxinA is UTI, and published guidelines for cystoscopic procedures with manipulation recommend the use of prophylactic antibiotics, a single dose of prophylactic antibiotic is administered prior to this procedure. However, these recommendations are primarily based on data from randomized controlled trials (RCTs) involving antimicrobial prophylaxis during transurethral resection of the prostate. A previously published prospective study demonstrated that the rate of post-procedural UTI did not differ amongst patients with neurogenic bladder who did not receive prophylactic antibiotics and were asymptomatic for UTI, regardless of whether they had sterile urine cultures or asymptomatic bacteriuria, suggesting that patients who are not symptomatic for UTI may not require antibiotic prophylaxis prior to intradetrusor onabotulinumtoxinA injection. Studies have reported that up to 50% of antibiotic usage is inappropriate, leading to unnecessary exposure of patients to potential complications of antibiotic therapy, including Clostridium difficile infection which can cause recurrent diarrhea that may progress to sepsis and death, increasing antibiotic resistances, as well as dermal/allergic and gastro-intestinal manifestations. Therefore, in an effort to optimize antibiotic use, the investigators propose a prospective, randomized study to formally evaluate the differences in UTI frequency in subjects who have a negative urinalysis and are not symptomatic for UTI and receive prophylactic antibiotics at the time of intradetrusor onabotulinumtoxinA injection compared to those who do not receive prophylactic antibiotics at the time of injection. The proposed study seeks to evaluate the current practice standard of antibiotic prophylaxis prior to intradetrusor onabotulinumtoxin injection.

Recruiting
Has No Placebo

Vriginia Mason Medical Center (+1 Sites)

Justina Tam, MD