Kidney infections, also known medically as pyelonephritis, occur when bacteria infect one or both kidneys. Often beginning as a urinary tract infection (UTI), it can escalate when the bacteria spread from the bladder to the kidneys. 

Symptoms are far from mild; they can include severe back pain, fever, chills, nausea, and frequent, painful urination. If left untreated, a kidney infection can lead to kidney damage or even sepsis, a potentially life-threatening condition. Recognising symptoms and receiving prompt medical care is essential for recovery.

Understanding what to expect in terms of recovery time can provide a sense of reassurance. This article will take you through the factors affecting recovery from a kidney infection and what you can generally expect on your path to better health.

How long does it take to recover from a kidney infection?

The recovery time from a kidney infection can vary depending on the severity of the infection and the treatment received. On average, it may take anywhere from a few days to a few weeks to feel completely well.

Here’s a breakdown of the recovery stages and influencing factors.

Immediate recovery

When you first start treatment for a kidney infection, often with antibiotics, you may begin to feel better within a few days. For most cases, oral antibiotics are prescribed and typically need to be taken for around 7 to 14 days. 

Many people start to experience symptom relief within the first 48 to 72 hours, as antibiotics work to eliminate the infection. During this period, you might notice a reduction in pain, fever, and other symptoms.

However, it’s crucial to complete the full course of antibiotics even if you’re feeling better to ensure the infection is fully cleared. Stopping treatment prematurely can lead to a relapse or increase the risk of antibiotic resistance, making future infections more challenging to treat.

Full recovery

A complete recovery from a kidney infection usually takes about two weeks but can extend to a month in some cases. This period allows the body to repair any damage caused by the infection and for any lingering inflammation in the kidneys to subside. 

You may still feel fatigued during this time, which is common as your body diverts energy towards healing. Staying hydrated, getting adequate rest, and eating nourishing foods can support your recovery.

For those who have experienced a severe kidney infection, or if the infection was accompanied by other health issues, the recovery period may extend. Following your healthcare provider’s advice, attending follow-up appointments, and possibly undergoing further tests will help ensure a smooth recovery.

Extended recovery for severe or recurrent infections

In cases where a kidney infection is severe, especially if it required hospitalisation or intravenous antibiotics, recovery might take longer. Individuals with underlying conditions, such as diabetes or a compromised immune system, are more susceptible to complications, which can prolong the recovery timeline. 

Severe infections can require a few weeks of close monitoring and gradual improvement. You may also need additional tests, such as imaging scans or blood tests, to confirm that the infection has completely resolved.

For recurrent kidney infections, which some individuals are prone to, extra care and possibly preventive treatment may be necessary. Discussing preventative measures with your healthcare provider, such as lifestyle changes or medications to reduce the risk of future infections, can be beneficial for long-term health.

Tips for a smoother recovery

Recovering from a kidney infection requires some adjustments to your daily routine to allow your body to heal effectively. Here are some suggestions to support your recovery:

Final notes

Recovering from a kidney infection requires patience and attention to self-care. While mild cases might see improvement in just a few days, more severe infections can take weeks to fully resolve. 

With the right treatment, lifestyle adjustments, and adequate rest, most people make a full recovery without lasting complications. 

Remember, early treatment and completing your course of antibiotics are key to ensuring you clear the infection entirely and protect your kidneys from further harm.

Related read: What Are The First Signs Of Kidney Stones?