What is the best antibiotic for urinary tract infection?

Simple infection Medicines commonly used for simple UTI s include: Trimethoprim and sulfamethoxazole (Bactrim, Bactrim DS) Fosfomycin (Monurol) Nitrofurantoin (Macrodantin, Macrobid, Furadantin)

mayoclinic.org - Urinary tract infection (UTI) - Diagnosis and treatment - Mayo Clinic

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Diagnosis

Female cystoscopy Open pop-up dialog box Close Female cystoscopy Female cystoscopy Cystoscopy allows a health care provider to view the lower urinary tract to look for problems, such as a bladder stone. Surgical tools can be passed through the cystoscope to treat certain urinary tract conditions. Male cystoscopy Open pop-up dialog box Close Male cystoscopy Male cystoscopy Cystoscopy allows a health care provider to view the lower urinary tract to look for problems in the urethra and bladder. Surgical tools can be passed through the cystoscope to treat certain urinary tract conditions.

Tests and procedures used to diagnose urinary tract infections include:

Analyzing a urine sample. Your health care provider may ask for a urine sample. The urine will be looked at in a lab to check for white blood cells, red blood cells or bacteria. You may be told to first wipe your genital area with an antiseptic pad and to collect the urine midstream. The process helps prevent the sample from being contaminated. Your health care provider may ask for a urine sample. The urine will be looked at in a lab to check for white blood cells, red blood cells or bacteria. You may be told to first wipe your genital area with an antiseptic pad and to collect the urine midstream. The process helps prevent the sample from being contaminated. Growing urinary tract bacteria in a lab. Lab analysis of the urine is sometimes followed by a urine culture. This test tells your provider what bacteria are causing the infection. It can let your provider know which medications will be most effective. Lab analysis of the urine is sometimes followed by a urine culture. This test tells your provider what bacteria are causing the infection. It can let your provider know which medications will be most effective. Creating images of the urinary tract. Recurrent UTI s may be caused by a structural problem in the urinary tract. Your health care provider may order an ultrasound, a CT scan or MRI to look for this issue. A contrast dye may be used to highlight structures in your urinary tract. Recurrent s may be caused by a structural problem in the urinary tract. Your health care provider may order an ultrasound, a scan or to look for this issue. A contrast dye may be used to highlight structures in your urinary tract. Using a scope to see inside the bladder. If you have recurrent UTI s, your health care provider may perform a cystoscopy. The test involves using a long, thin tube with a lens, called a cystoscope, to see inside the urethra and bladder. The cystoscope is inserted in the urethra and passed through to the bladder.

Treatment

Antibiotics usually are the first treatment for urinary tract infections. Your health and the type of bacteria found in your urine determine which medicine is used and how long you need to take it.

Simple infection

Medicines commonly used for simple UTI s include:

Trimethoprim and sulfamethoxazole (Bactrim, Bactrim DS)

Fosfomycin (Monurol)

Nitrofurantoin (Macrodantin, Macrobid, Furadantin)

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Cephalexin

Ceftriaxone

The group of antibiotics known as fluoroquinolones isn't commonly recommended for simple UTI s. These drugs include ciprofloxacin (Cipro), levofloxacin and others. The risks of these drugs generally outweigh the benefits for treating uncomplicated UTI s. In cases of a complicated UTI or kidney infection, your health care provider might prescribe a fluoroquinolone medicine if there are no other treatment options. Often, UTI symptoms clear up within a few days of starting treatment. But you may need to continue antibiotics for a week or more. Take all of the medicine as prescribed. For an uncomplicated UTI that occurs when you're otherwise healthy, your health care provider may recommend a shorter course of treatment. That may mean taking an antibiotic for 1 to 3 days. Whether a short course of treatment is enough to treat your infection depends on your symptoms and medical history. Your health care provider also may give you a pain reliever to take that can ease burning while urinating. But pain usually goes away soon after starting an antibiotic.

Frequent infections

If you have frequent UTI s, your health care provider may recommend:

Low-dose antibiotics. You might take them for six months or longer.

Diagnosing and treating yourself when symptoms occur. You'll also be asked to stay in touch with your provider. Taking a single dose of antibiotic after sex if UTI s are related to sexual activity. s are related to sexual activity. Vaginal estrogen therapy if you've reached menopause.

Severe infection

For a severe UTI , you may need IV antibiotics in a hospital. There is a problem with information submitted for this request. Review/update the information highlighted below and resubmit the form. From Mayo Clinic to your inbox Sign up for free, and stay up to date on research advancements, health tips and current health topics, like COVID-19, plus expertise on managing health. Email ErrorEmail field is required ErrorInclude a valid email address Learn more about Mayo Clinic’s use of data. To provide you with the most relevant and helpful information, and understand which information is beneficial, we may combine your email and website usage information with other information we have about you. If you are a Mayo Clinic patient, this could include protected health information. If we combine this information with your protected health information, we will treat all of that information as protected health information and will only use or disclose that information as set forth in our notice of privacy practices. You may opt-out of email communications at any time by clicking on the unsubscribe link in the e-mail. Subscribe! Thank you for subscribing! You'll soon start receiving the latest Mayo Clinic health information you requested in your inbox. Sorry something went wrong with your subscription Please, try again in a couple of minutes Retry

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Lifestyle and home remedies

Urinary tract infections can be painful, but you can take steps to ease discomfort until antibiotics treat the infection. Follow these tips: Drink plenty of water. Water helps to dilute your urine and flush out bacteria. Water helps to dilute your urine and flush out bacteria. Avoid drinks that may irritate your bladder. Avoid coffee, alcohol, and soft drinks containing citrus juices or caffeine until the infection has cleared. They can irritate your bladder and tend to increase the need to urinate.

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Avoid coffee, alcohol, and soft drinks containing citrus juices or caffeine until the infection has cleared. They can irritate your bladder and tend to increase the need to urinate. Use a heating pad. Apply a warm, but not hot, heating pad to your belly to help with bladder pressure or discomfort.

Alternative medicine

Many people drink cranberry juice to prevent UTI s. There's some indication that cranberry products, in either juice or tablet form, may have properties that fight an infection. Researchers continue to study the ability of cranberry juice to prevent UTI s, but results aren't final. There's little harm in drinking cranberry juice if you feel it helps you prevent UTI s, but watch the calories. For most people, drinking cranberry juice is safe. However, some people report an upset stomach or diarrhea. But don't drink cranberry juice if you're taking blood-thinning medication, such as warfarin (Jantovin).

Preparing for your appointment

Your primary care provider, nurse practitioner or other health care provider can treat most UTI s. If you have frequent UTI s or a chronic kidney infection, you may be referred to a health care provider who specializes in urinary disorders. This type of doctor is called a urologist. Or you may see a health care provider who specializes in kidney disorders. This type of doctor is called a nephrologist.

What you can do

To get ready for your appointment:

Ask if there's anything you need to do in advance, such as collect a urine sample. such as collect a urine sample. Take note of your symptoms, even if you're not sure they're related to a UTI . even if you're not sure they're related to a . Make a list of all the medicines, vitamins or other supplements that you take. vitamins or other supplements that you take. Write down questions to ask your health care provider.