How does cloudy urine in females indicate pus in the urethra?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Cloudy urine in females is often caused by a urinary tract infection (UTI), which can produce pus, bacteria, or white blood cells that make urine appear murky. Other possible causes include dehydration, vaginal discharge, kidney stones, or sexually transmitted infections. Because cloudy urine can signal an underlying issue that may worsen without treatment, it's important to identify the cause early.

To better understand what may be behind your symptoms and get personalized guidance on next steps, take a free, instant, online symptom check. It only takes a few minutes, requires no sign-up, and can help you decide whether to monitor at home or seek medical care—giving you clarity and confidence before your next move.

Reviewed for medical accuracy: 07/15/2026

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Explanation

Cloudy urine in females may mean there is pus in the urine, which can happen if there is an infection in the urinary tract. Infections can cause the body to make more white blood cells, which fight germs, and these cells mixed in with urine can make it look cloudy.

Here are some points to consider:

Urinary Tract Infections (UTIs): These are common infections that can make urine look cloudy. They occur when germs get into the urinary tract.
White Blood Cells: When there is an infection, the body sends white blood cells to fight it. These cells can mix with urine, making it cloudy.

If someone notices cloudy urine, especially if it comes with other symptoms like pain or a burning feeling when peeing, it may be a good idea to check your symptoms to better understand what might be causing them. A healthcare provider can help figure out if there is an infection and what to do next.

(References)

Parekh S, Hand K, Xu L, Roberts V, Pursey F, Ashiru-Oredope D, & Lecky DM. (2023). Responding to Urinary Tract Infection Symptoms in .... Antibiotics (Basel, Switzerland), 37760680.
Phillips G, Fleming LW, Khan I, & Stewart WK. (1992). Urine transparency as an index of absence of infection. British journal of urology, 1393442.
Alper BS, & Curry SH. (2005). Urinary tract infection in children. American family physician, 16370404.

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