Can a UTI cause cramps and back pain?
Michael King
Updated on March 16, 2026
Can a UTI cause cramps and back pain?
Cramps are a common symptom of a UTI. You’ll typically feel them in your pelvic area or lower back. In addition to cramps, you may also feel pressure or soreness in this area. Antibiotics are used to treat a UTI.
Is it normal to have back pain with a UTI?
An upper UTI can cause intense back pain as the infection reaches the kidneys. People will get pain in the lower back and groin area. Back pain comes with two other symptoms: high fever and vomiting. Upper infections happen when a lower UTI goes unchecked or does not respond to antibiotics.
Do UTI cramps feel like period cramps?
Urine may also leak out, or there may be urinary incontinence present. Women may experience a dull, period pain-like ache three inches below the belly button in a band across the lower abdomen, and this ache may also spread around to the back on both sides (where the kidneys are located).
How long do UTI cramps last?
Symptoms usually will subside within 2-3 days, but if symptoms continue for more than 3 days you will need to contact your health provider again.
How do you know when a UTI becomes a kidney infection?
A kidney infection is, in essence, a UTI that has spread into the kidneys. While this type of infection is rare, it’s also very dangerous and if you’re experiencing any of the following signs of a kidney infection, you should see a doctor immediately: Upper back or side pain. Fever, shaking or chills.
How do you know if a UTI has gone to your kidneys?
Strong, persistent urge to urinate. Burning sensation or pain when urinating. Nausea and vomiting. Pus or blood in your urine (hematuria)
How do you tell if a UTI has spread to your kidneys?
Signs and symptoms of a kidney infection might include:
- Fever.
- Chills.
- Back, side (flank) or groin pain.
- Abdominal pain.
- Frequent urination.
- Strong, persistent urge to urinate.
- Burning sensation or pain when urinating.
- Nausea and vomiting.
How do I know if my UTI is getting worse?
If the infection has worsened and travels to the kidneys, symptoms can include the following:
- Pain in the upper back and sides.
- Fever.
- Chills.
- Nausea.
- Vomiting.
Does kidney infection feel like cramps?
Pain in the back The most common causes of kidney pain that radiates to the back are infections and kidney stones. A kidney infection may have started with a urinary tract infection (UTI). Kidney stones can cause a person to experience excruciating pain that feels like spasms. This pain may also spread to the groin.
How long before UTI turns into kidney infection?
Symptoms of kidney infection usually appear two days after infection. Your symptoms may vary, depending on your age.