Broad-spectrum antibiotics for a UTI

A broad-spectrum antibiotic can act against several types of bacteria. Wider cover may be considered when a person is significantly unwell, has a complicated infection, has recently used antibiotics, or when the likely bacteria are not yet clear. A narrower medicine is often preferred when it will treat the identified infection, because unnecessary broad coverage can cause side effects and encourage antibiotic resistance. A clinician may use symptoms, previous results, allergies, kidney function, pregnancy status, and a urine culture to choose or change treatment. Burning urine alone does not prove that an antibiotic is needed.

Take the prescribed medicine at the stated times and complete the course unless the prescriber changes the instructions. Do not share tablets, save leftovers, or use antibiotics intended for another illness. Ask about interactions with your regular medicines and what to do if you develop diarrhoea, rash, or vomiting. Drink normally unless you have been given fluid restrictions. If symptoms do not begin to settle as expected, contact the prescriber rather than changing the dose yourself.

Seek urgent care for fever with shaking chills, pain in the side or back, repeated vomiting, confusion, faintness, or rapidly worsening urinary symptoms. These features can indicate infection beyond the bladder or a need for treatment in a healthcare setting. Get emergency help for swelling of the face or throat, severe breathing difficulty, or collapse after an antibiotic. Pregnancy, childhood, older age, catheter use, or kidney problems should lower the threshold for medical advice.

Do I need a urine sample before starting treatment? Why is a broad-spectrum medicine suitable for me? Which side effects require a call? When should my symptoms be reassessed?