The NHS has issued a vital warning for individuals taking warfarin who experience symptoms of a urinary tract infection (UTI). It emphasizes the importance of recognizing UTI signs and advises caution with certain remedies if you are on this medication.
A UTI can affect various parts of the urinary tract, including the bladder (cystitis), urethra (urethritis), and kidneys (kidney infection). While many UTIs can be treated with antibiotics, some cases may not require them. Regardless, persistent symptoms warrant timely medical attention.
Common symptoms of a UTI include a burning sensation when urinating, frequent urge to urinate, cloudy or strong-smelling urine, and lower abdominal pain. In children, there may also be additional signs such as fever or irritability. Older adults or those with urinary catheters may experience confusion or worsening general health.
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The NHS specifically warns that those taking warfarin—a blood-thinning medication that prevents dangerous blood clots—should avoid cranberry products if they frequently suffer from bladder infections. Although cranberry juice, tablets, or capsules are popular remedies believed to help prevent UTIs, they can interfere with warfarin and increase the risk of bleeding.
Another product, D-mannose, a sugar found in powder or tablet form, may offer benefits for preventing UTIs. However, caution is advised since both D-mannose and cranberry products can be high in sugar, which might not be suitable for everyone.
If you suspect you have a UTI and are a woman aged 16 to 64 who is not pregnant or breastfeeding, a pharmacist can provide appropriate treatment and advice without needing a GP visit.
It is crucial to seek urgent medical help if symptoms indicate a kidney infection or possible sepsis, such as confusion, drowsiness, severe pain, high fever, or difficulty speaking. Never drive yourself to emergency care in these circumstances; call 999 for an ambulance and bring any medications you are taking.
UTIs typically result from bacteria entering the urinary tract through the urethra, with women being more susceptible due to their shorter urethra length. Risk factors include factors that increase bacterial access to the bladder or urinary tract.
Following these guidelines ensures safe and effective prevention and treatment of UTIs, especially for people on warfarin.