Acute pyelonephritis is a serious bacterial infection affecting the kidneys and ureter. Usually caused by the bacterium Escherichia coli, it constitutes a genuine medical emergency. If not treated promptly, this upper urinary tract infection can lead to kidney damage or a systemic infection. This comprehensive guide outlines the symptoms, causes, medical treatments and natural remedies to address this condition holistically, effectively and preventatively.
What are the symptoms of acute pyelonephritis that should not be ignored?
The signs of acute pyelonephritis often appear suddenly, sometimes following an unnoticed bout of cystitis. Typical symptoms therefore include a high fever (above 38.5°C) accompanied by chills, extreme fatigue and unilateral lower back pain (located on one side of the lower back). Digestive problems such as nausea and vomiting may also occur, making the clinical picture even more distressing.
Discover the full list of symptoms and complications of pyelonephritis: Read our article on the symptoms of pyelonephritis
What are the causes and diagnosis of acute pyelonephritis?
In 75% to 90% of cases, acute pyelonephritis is caused by the intestinal bacterium Escherichia coli. The infection is most often ascending: germs present in the bladder (cystitis) travel up the ureter to the kidney. To confirm the diagnosis, the doctor then carries out a urine dipstick test, followed immediately by a urine culture and sensitivity test (ECBU). This test allows the specific bacterium responsible to be identified and its sensitivity to treatment to be assessed.
A major study published in Nature Reviews Nephrology offers new insights into the mechanisms of this disease. The findings highlight how these bacteria manage to infect the urinary tract. In doing so, they cause inflammation, leading to pyelonephritis.
Furthermore, the study reveals that the host’s immune response plays a crucial role in the progression of the disease. Indeed, this could have significant implications for the development of new therapeutic approaches.
By better understanding these host-pathogen interactions, researchers hope to develop more targeted and effective treatment strategies. These strategies could include ways to boost natural immune responses or specifically target uropathogenic bacteria to prevent their spread and virulence.
Understanding the causes of infection and the role of urine culture: Read our full article on causes and diagnosis
What is the standard treatment for acute pyelonephritis and how can it be prevented?
The standard treatment for acute pyelonephritis must necessarily involve appropriate antibiotic therapy. However, treatment must also be started urgently as soon as the urine sample has been taken. The duration of treatment generally varies from 7 to 10 days. At the same time, daily preventive measures can help avoid recurrence: drinking plenty of fluids and maintaining strict personal hygiene. Not forgetting the wearing of cotton underwear to limit the spread of bacteria.
Our naturopathic and medical advice for preventing and treating the infection: Read the article on treatments and prevention
What herbal remedies and natural treatments can be used to support the management of acute pyelonephritis?
Natural medicine offers valuable support to aid recovery from acute pyelonephritis and protect the urinary system. Plants with antiseptic and anti-adhesive properties, such as cranberry and bearberry, or diuretics such as orthosiphon and hawkweed, help to effectively cleanse the kidneys. Gemmotherapy (juniper and walnut buds) and aromatherapy complement this approach to restore balance to the body.
Which plants and essential oils should be used as complementary treatments? Read our comprehensive guide to herbal medicine and pyelonephritis
Acute pyelonephritis is therefore a serious condition that leaves no room for improvisation. Whilst medical treatment with antibiotics is absolutely essential and urgent to protect your kidneys, incorporating naturopathy and herbal medicine offers valuable support. Not only to relieve the body but also to speed up recovery. Adopting a holistic approach — combining the speed of conventional medicine with the wisdom of natural remedies and prevention — is the key to regaining long-term urinary health and avoiding relapses. At the slightest doubt or as soon as the first symptoms appear, the right course of action is to consult a healthcare professional immediately.
FAQ: Your questions about acute pyelonephritis
Can acute pyelonephritis be treated with herbal remedies alone? No. It is a medical emergency. A course of antibiotics prescribed by a doctor is absolutely essential to destroy the bacteria and prevent serious complications. Natural remedies are used only as a supportive measure or to prevent recurrence.
What are the signs that require emergency hospitalisation? Extreme fatigue, altered consciousness, an inability to keep medication down (vomiting) or a lack of improvement after 72 hours of antibiotics mean you must go to A&E.
Can you have acute pyelonephritis without a fever? Yes. In older people, a fever may be absent. The symptoms are then more misleading, manifesting as mental confusion, repeated falls or isolated abdominal pain.
How does naturopathy help prevent recurrence? Naturopathy focuses on high fluid intake (1 litre of water per 30 kg of body weight per day). It also emphasises a diet that limits irritants (coffee, alcohol). As well as preventive courses of protective herbal remedies to maintain a healthy urinary environment.
