Blog · Red flags
Blood in Urine: When to Worry and When to Call Today
Blood in urine: when to worry? Always, in the sense that it should be checked, even when it happens once and stops. Fever, back or side pain, clots, or being unable to pass urine mean same-day care. Blood has many causes, from infection to stones, and no supplement, including FemiCore, is a substitute for a visit.
Written by the FemiCore label benchUpdated · 4 min read
The rule
Should you worry about blood in your urine?
Yes, enough to get it checked. MedlinePlus advises that blood in the urine should always be evaluated, even if it goes away (MedlinePlus, Blood in urine).
It can be visible, turning urine pink, red or tea-colored, or it can be found only on a lab test. Both count.
Causes range from infection and stones to kidney disease and, less often, cancers of the bladder or kidney (MedlinePlus, Blood in urine). Many are treatable. A few are serious, which is why waiting for it to stop is the wrong plan.
Some foods and medicines, including blood thinners, also change urine color or add to bleeding (MedlinePlus, Blood in urine). A test settles the question, so do not guess.
Write down what you saw: the color, whether it came at the start or end of a trip, and how long it lasted. A clinician can use those details.
Same day
Which signs with blood in urine mean you need care today?
Fever, chills, back or side pain, vomiting, clots, or being unable to pass urine mean same-day care. MedlinePlus advises contacting a provider right away for fever, chills, vomiting, abdominal, side or back pain, an inability to urinate, or passing clots (MedlinePlus, Blood in urine). Mayo adds that a kidney infection can bring high fever and shaking chills (Mayo Clinic, UTI).
The chart below separates same-day signs from ones where you book a visit.
- Blood in your urine, or passing clotsPink, red or cola-colored urine needs a check every time; clots need a provider right away.Same day
- Fever, chills, nausea or pain in your side or backWith urinary symptoms these can mean a kidney infection. Contact a provider the same day.Same day
- You cannot pass urineBeing unable to urinate needs a provider right away.Same day
- Burning, frequent small trips, urgency with an empty bladderCommon bladder-infection signs. Infections need diagnosis; cranberry does not treat them.Book a visit
- Sudden urges or leaks during normal activitiesNIDDK advises seeing a professional right away; leaks are common and often treatable.Book a visit
- Any vaginal bleeding after menopauseA reason to call a provider, whatever the bladder is doing.Book a visit
Severe?Severe pain, high fever with shaking chills or vomiting, or no urine at all: get urgent care now, or call 911 in an emergency.
Signs from MedlinePlus, CDC, NIDDK and Cleveland Clinic (MedlinePlus, Blood in urine) (CDC, About UTIs) (NIDDK, bladder control problems in women) (Cleveland Clinic, postmenopause). A supplement never replaces a check for these.
If you are pregnant, or if you passed blood after menopause, call a clinician promptly. Any bleeding after menopause needs a call (Cleveland Clinic, postmenopause).
Causes
What causes blood in urine?
The best-known causes are infection and stones. CDC lists burning, frequent urination, urgency and bloody urine among bladder infection symptoms, and says to use antibiotics only when needed because they can cause drug-resistant infections (CDC, About UTIs). Resistance is a growing problem (CDC, Antimicrobial Resistance).
That is why a test comes before any antibiotic, and why you should never use leftover pills.
| Cause | Common clue |
|---|---|
| Bladder infection | Burning, frequent small voids |
| Kidney infection | Fever, flank pain |
| Stone | Side or back pain |
| Kidney disease or growth | May cause no pain; needs tests |
Painless blood is not safer. It is a reason for a prompt check.
Do not treat yourself with leftover antibiotics or a herbal capsule while you wait. They can hide the picture and delay the test that matters.
FemiCore: from $49 a bottle30 capsules · 2, 3 or 6 bottles · free shipping on 6 · 60-day money-back guarantee
See packsSupplements
Can a supplement cause or treat blood in urine?
A supplement cannot treat blood in urine, and some products are on lists of reported problems. The FDA's adverse-event page names blood in urine and trouble urinating among serious reactions to report (FDA, Report a Supplement Problem).
FemiCore makes no claim about blood in urine, and no trial of the capsule exists. Its label asks people with a known medical condition to consult a physician first. Cranberry may lower the chance of repeat infections in some women, but it never treats an active one (NCCIH, Cranberry).
If you see blood while taking any supplement, stop it and call a clinician, then bring the bottle. Keep taking prescribed medicine unless the clinician says otherwise.
The visit
What should you bring to the appointment?
Bring a list of your medicines and supplements, plus when you first saw blood. A short note on pain, fever and trips to the bathroom helps more than memory.
Say if you take a blood thinner, since those medicines can change urine color (MedlinePlus, Blood in urine). Say too if you had a recent infection, a new medicine or hard exercise.
Expect a urine test and sometimes blood tests or imaging. Ask what each test looks for, and when the results will come back. Our side effects page lists the signs worth reporting.
Decide on any capsule after the visit, not before. Ask the clinician whether any supplement fits your results, and bring the bottle so they can read the label. If you then choose FemiCore, packs run $79, $69 and $49 a bottle.
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Ready to try FemiCore?
Start with a check of your medicines, then pick a pack. Six bottles ship free and cost the least per bottle, and every pack sits inside the 60-day money-back window.
- Secure checkout
- 60-day money-back guarantee
- Ships from the U.S.
FAQ
Blood in urine questions, answered
Is one drop of blood in urine an emergency?
Not by itself, but it still needs a check within days. Same-day care applies when it comes with fever, pain, clots or trouble passing urine.
Can exercise cause blood in urine?
Hard exercise sometimes does. It should still be checked once, because the same sign can come from infection or a stone.
Can I wait to see if it clears up?
No. A single clear day does not rule out a cause. Book a visit and drink water as usual while you wait.
Who wrote this
Written and reviewed by
Pages built from the label, the sales page and linked NIH, FDA, FTC, EMA and peer-reviewed sources.
Last updated . See our editorial standards and how we check reviews. This website is run by a U.S. stocking partner for FemiCore, not by the manufacturer or the label's distributor. We are paid when you buy through our order links.
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More about FemiCore
U.S. stocking partner for FemiCore
Ready to try FemiCore?
Start with a check of your medicines, then pick a pack. Six bottles ship free and cost the least per bottle, and every pack sits inside the 60-day money-back window.
- Secure checkout
- 60-day money-back guarantee
- Ships from the U.S.