Why Is There Mucus In My Urine?

What Does It Mean If There’s Mucus in My Urine

A small amount of clear or white mucus in urine can be normal, often from vaginal discharge. Persistent or coloured mucus, especially with pain, odour, fever, or blood, may signal infection, kidney stones, or bowel-related conditions and needs medical review.

 

Why Is There Mucus In My Urine?
Medically reviewed

Dr. Chrysoula I. Liakou MD, PhD Google Scholar LinkedIn

Internal Medicine Specialist
Cancer Immunology Researcher

Mucus in Urine Meaning and When It Is Normal

Mucus is a clear, white, off-white, slimy substance that may have appeared mixed in with your urine if you have ever gone to the bathroom. It may have been clear, white, or off-white. If you notice mucus in your urine, it will be thin and fluid-like in texture and usually does not cause much concern since small amounts of mucus are essential to your overall health.

You may need medical attention if you have excess mucus in your urine.

This article explains when mucus in your urine can be considered normal and when it indicates a more severe condition like a UTI, sexually transmitted infections, ulcerative colitis, or kidney stones.

Additionally, I will inform you whether the presence of mucus in your urine indicates bladder cancer. In this article, I will explain how doctors test the mucus in your urine and when you should see a doctor.

Mucus in Urine Quick Guide to Causes and Next Steps

Cause Typical clues Urgent First steps
Normal vaginal discharge Clear or white no odour no pain No Monitor hygiene only
UTI Burning frequency cloudy or smelly urine Yes Urinalysis antibiotics hydration
STI chlamydia or gonorrhoea Pain discharge bleeding testicle pain Yes NAAT testing antibiotics
IBS or ulcerative colitis Bloating cramps mucus in stool Sometimes GP review stool tests
Kidney stones Flank pain blood in urine nausea Yes Imaging pain relief fluids
Bladder cancer rarer Blood in urine weight loss frequency Urgent Urgent urology referral

Is Mucus in Urine Normal or a Concern

It is common for urine to contain mucus due to normal vaginal discharge. There is nothing abnormal about women having a small amount of vaginal discharge.

Besides preventing harmful bacteria from entering the body, it also serves as an essential cleansing agent for the female reproductive system.

As a result of the fluid secreted by the vagina and the cervix, dead cells and bacteria are washed away to keep the area clean.

Usually, this discharge does not have an unpleasant scent but may be soft. The colour and density of the discharge change as a woman goes through her menstrual cycle.

The discharge from the vaginal canal also produces lubrication during sexual contact.

Sexually aroused women may produce a thicker, creamier discharge than average. In addition to helping prepare the body for pleasure, it helps cleanse it after a sexual encounter.

The body produces less after menopause and this decrease continues with age. Vaginal discharge can indicate a healthy or unhealthy state or a sign of a potential infection.

Consult a healthcare provider if your vaginal discharge changes without a menstrual cycle.

Treatment

Warm water and a non-fragranced soap can help clean the vaginal area if it has an unpleasant odour.

You can reduce the itching and discharge associated with a yeast infection by taking over-the-counter antifungal medications.

UTI and Mucus in Urine Causes Symptoms Treatment

A urinary tract infection (UTI) is characterised by burning after peeing and a frequent urge to pee.

Upon reaching the bathroom, you may not be able to squeeze out a drop, or you may find that the urine is cloudy, bloody, or foul-smelling, and that there is excessive mucus.

Urinary tract infections (UTIs) are caused by bacteria that infect various points along the urinary tract, often originating from the skin or rectum.

Urinary tract infections cause cystitis and kidney infections (pyelonephritis).

More than 50% of women will experience a UTI at least once in their lifetime, especially those with vaginal infections. The UTI rate for people with a penis is one for every eight people with vaginae.

There is always a need for further testing for urinary tract infections in people with penises.

Treatment

Whenever you suspect that you have a UTI, drink plenty of water. Maintaining a healthy hydration level can also prevent urinary tract infections.

Antibiotics are also commonly prescribed to treat UTIs.

To ensure the effectiveness of the antibiotic, take the medication as prescribed, even if you feel better. Heat pads can be applied to the area to help soothe low back pain and cramping.

Cranberry juice can help those with recurring UTIs prevent them. Infection can be prevented by consuming red berries containing tannins that prevent E.coli bacteria from sticking to bladder walls.

STIs That Cause Mucus in Urine Signs and Treatment

In addition to a change in discharge, pain while urinating and lower back pain are signs of sexually transmitted infections (STIs).

Testicular pain might occur in people with penises, while vaginal bleeding may occur in people with vaginas.

Those who suffer from chlamydia or gonorrhoea will notice abnormal discharge, including mucus in their urine.

Many people with Chlamydia do not show symptoms, so diagnosing and treating them is difficult. A gonorrhoea infection generally has more apparent symptoms than a chlamydia infection. It can also spread to your mouth, throat, eyes, and nose.

A thick, cloudy, or bloody discharge may form from the penis or vagina within ten days of exposure. In people with penises, it is common for the testicles to swell and become painful and for women to experience heavy menstrual bleeding or bleeding between periods while they have penises.

Treatment

The treatment for chlamydia and gonorrhoea is antibiotics since they are bacterial infections. The most common way to treat Chlamydia is to administer azithromycin in one large dose at a time. For approximately one week, your doctor will prescribe oral doxycycline twice daily.

IBS and Mucus in Urine How Stool Mucus Mixes with Urine

Irritable bowel syndrome (IBS) symptoms include gas, bloating, diarrhoea, and abdominal pain. Having mucus in the digestive tract is another possible symptom of IBS.

In this case, the mucus comes from the large intestine or colon. When mucus leaves your body through the anus, it can attach to your stool and mix with urine.

Those with IBS who experience this may have difficulty determining where the mucus comes from and may mistake the excess fluid for urine.

Treatment

IBS cannot be cured, but several treatment options relieve symptoms effectively. Identifying the underlying cause of your IBS and the symptoms affecting you the most will determine the right course of treatment.

Psyllium (Metamucil) is a fibre supplement that may help alleviate constipation if taken with plenty of fluids. It may also be beneficial to use over-the-counter (OTC) laxatives.

The anti-diarrheal medication loperamide (Imodium A-D) helps control diarrhoea. A bile acid binder, like cholestyramine (Prevalite), colestipol (Colestid), or colesevelam (Welchol), might also be prescribed by your doctor.

Doctors may prescribe antidepressants for IBS caused by stress and anxiety.

Ulcerative Colitis and Mucus Not From the Bladder

A condition known as ulcerative colitis causes inflammation of the digestive tract and the formation of ulcers (sores). Inflammation and irritation occur in the walls of your large intestine (colon) and rectum when you have ulcerative colitis.

Some of the most acute symptoms include stomach pains or diarrhoea that contains blood or pus. A colon infection can cause excess mucus to be produced by your body.

This can mix with mucus in the toilet and be mistaken for mucus.

Treatment

Depending on its severity, ulcerative colitis can be treated with either drug therapy or surgery. Treatment typically begins with anti-inflammatory medications, while immunosuppressants suppress the immune response that triggers inflammation.

Biologics are medications that target proteins made by the immune system. If drugs do not work in severe cases, surgery may be necessary.

A proctocolectomy involves removing the entire colon and rectum of the body, also known as an ileoanal anastomosis (J-pouch) surgery.


By creating a pouch utilising the end of your small intestine, your surgeon eliminates the need to carry a bag to collect stools.

Consult your doctor if you think you may have ulcerative colitis or Crohn's disease.

Kidney Stones and Mucus in Urine Symptoms and Care

Kidney stones (also referred to as renal calculi, nephrolithiasis, or urolithiasis) are formed when minerals and salts in your kidneys crystallise into hard crystals.

A kidney stone can affect any part of the urinary tract, including the bladder, and occurs when urine becomes concentrated and accumulates.

Crystallisation and adhesion of minerals occur.

In addition to poor diet, excessive weight, and some medical conditions, certain supplements and medications can cause kidney stones.

Treatment

It can be excruciating when passing kidney stones, but most of the time, passing them by drinking plenty of water is possible.

You can manage discomfort for a few days with pain relievers such as ibuprofen (Advil, Motrin IB, others) or naproxen sodium (Aleve), but it's best not to stay on these medications for too long.

Your doctor may prescribe Flomax, dutasteride, and tamsulosin (Jalyn) if your kidney stone is severe. However, their effectiveness has yet to be discovered.

The muscles in your ureter are relaxed when you take alpha-blockers. This reduces pain and speeds up the passing of kidney stones. If the pain does not improve 1-2 days after passing a kidney stone, see your doctor for further evaluation.

Bladder Cancer and Mucus in Urine Warning Signs

Urinary changes caused by bladder cancer include a burning sensation when peeing or a greater need to urinate.

The presence of blood in the urine is another indication. It is rare for someone with bladder cancer to have mucus in their urine. In addition to mucus in urine, other cancer symptoms include blood in urine, weight loss, lower back pain, bone pain, and swollen feet. The presence of these signs indicates advanced bladder cancer.

Mucus in Urine: Quick Guide to Causes and Urgency

Cause

Typical Clues

Urgent?

First Steps

Normal vaginal discharge

Clear/white, no odour, no pain

No

Monitor, hygiene only

UTI (cystitis)

Burning, frequency, cloudy/smelly urine

Yes

Urinalysis, antibiotics

STI (chlamydia/gonorrhoea)

Pain, discharge, bleeding; testicle pain

Yes

NAAT testing, antibiotics

IBS/Ulcerative colitis

Bloating, cramps, mucus in stool

Sometimes

GP review, stool tests

Kidney stones

Flank pain, haematuria, nausea

Yes

Imaging, pain relief, fluids

Bladder cancer (rarer)

Blood in urine, frequency, weight loss

Urgent

Urgent urology referral

Tests for Mucus in Urine Urinalysis and Further Checks

By visualising the urine, testing for specific chemicals, and examining for certain types of cells, a urinalysis can determine if you have excessive mucus in your urine.

Regular checkups can be used for this purpose.

A urinalysis may be requested if you exhibit any of the following symptoms of a UTI:

  • Frequent urge to urinate, even when you have little urine in your bladder
  • Weakness
  • Painful urination
  • Dark, cloudy, or reddish-coloured urine
  • Bad smelling urine
  • Fatigue

When to See a Doctor for Mucus in Urine

Occasionally, passing mucus in your urine is a regular and everyday occurrence. However, when this occurs frequently, you may have a more serious underlying condition.

If the underlying cause is left untreated, mucus in the urine can result in more severe health issues. Medication, dietary changes, or other appropriate interventions can treat most causes of mucus in the urine.

How Mobi Doctor Can Help with Mucus in Urine

Mobi Doctor offers online urgent care.



FAQs About Mucus in Urine

Usually thin strands or threads that are clear white or off white often harmless in small amounts.

If it is persistent coloured or accompanied by pain fever odour blood or urinary frequency seek medical advice.

Yes bladder infections commonly cause mucus along with burning when peeing cloudy urine and urgency.

Chlamydia and gonorrhoea can cause abnormal discharge pelvic or testicular pain and mucus that appears in urine.

Yes rectal mucus from the bowel can mix with urine in the toilet and be mistaken for urinary mucus.

Urinalysis checks cells bacteria and chemicals your clinician may add STI tests imaging or blood tests based on symptoms.

If mucus is frequent or comes with pain fever odour blood flank pain weight loss or new urinary changes.


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