Antibiotics for UTI

University of Maryland Medical Center

More often than not, fluoroquinolones are prescribed for UTI according to the University of Maryland Medical Center. The usual alternatives in this category include ofloxacin, levofloxacin and ciprofloxacin. Another medication to treat this condition is a combined antibiotic that has trimethoprim and sulfamethoxazole.

Tetracycline products, nitrofurantoin, beta-lactam medications and other drugs are other antibiotic choices. Severe urinary tract infections can be treated with aminoglycosides and penicillins are utilized in treating severe and mild infections. There are some antibiotics which are administered intravenously into the muscle or through infusion into the vein instead of administering it into the mouth. As a routine, the most effective medications for uncomplicated urinary tract infection include amoxicillin, trimethoprim, ampicillin and trimethoprim/ sulfamethoxazole.

Lately, a new kind of drugs has been approved in treating urinary tract infection. This kind is called quinolones. Quinolones include four kinds of drugs like trovafloxin, ofloxacin, ciprofloxacin and norfloxacin. Another set of antibiotics such as trimethoprim/ sulfamethoxazole or doxycycline and tetracycline are used and provide good results for complicated cases of UTI such as infections due to Mycoplasma or Chlamydia. For women who previously had three UTIs, low dose of nitrofurantoin or trimethoprim/sulfamethoxazole during bedtime will help minimize the risk of recurrence. After sexual intercourse, women are more susceptible to recurrent UTI and will even require a single dose of antibiotic.

Trimethoprim and Sulfametoxazole

Medications with generic names like sulfametoxazole and trimethoprim are combined as an antibiotic sold in America under different trade names like Septra, Sulfatrim and Bactrim. This combined antibiotic is responsible for killing the bacteria which would result to urinary tract infection. This is also used in treating other bacteriological infections.

Loss of appetite, nausea, vomiting and diarrhea are some of the common adverse effects based on the report of Individuals who are using this antibiotic are advised to drink a lot of fluids while in the course of treatment. Course of treatment refers to the period of days which the antibiotics are working.


National Institutes of Health

This is the generic medical name for a medication sold in the United States under brand names of Amoxil and Trimox. This is a variation of penicillin and is classified as an antibiotic. According to the report of the National Institutes of Health, amoxicillin is commonly used in treating UTIs among other kinds of infections. This should be taken four times in a day with water. This medication comes in the form of capsule or tablet. You can either take with or without food. The usual non-serious side effects like vomiting, nausea and diarrhea when taking antibiotics can occur when a person takes amoxicillin. For example, since I know you take beta blockers for your anxiety. some possible side effects being dizziness, confusion

Clavulanate and Amoxicillin

Clavulanate can be combined with amoxicillin in treating infections of the urinary tract. This combined antibiotic is promoted in America as Amoclan and Augmentin. Amoxicillin is an antibiotic while clavulanate is known to be a beta lactamase inhibitor. Based on the report of Mayo Clinic, the two medications work as one in inhibiting bacterial growth and then kill them. This medicine is available in tablet or liquid form and can upset the stomach.

This is the reason why food should be taken first in order to avoid stomach upset. Common side effects which are known to be non-serious are similar to other antibiotics. So far, there are no reports about some common side effects of this medication.