Burning urination after sex

Burning urination that starts within a day or two of sex can be a UTI (honeymoon cystitis) or an STI. A provider can decide whether to treat empirically or order urinalysis and STI NAAT the same day.

Also called: honeymoon cystitis · post-coital burning · uti after sex · sti after unprotected sex

Medically reviewed by Dr. Ikechukwu Ogbu, MD
MD · Board-Certified, Internal Medicine · Last reviewed

Seek urgent care or the ER if you have:

  • Symptoms that are sudden, severe, or rapidly worsening
  • High fever (over 103°F / 39.4°C) that doesn't respond to treatment
  • Chest pain, trouble breathing, fainting, or confusion
  • Signs of dehydration — dizziness, dark urine, unable to keep fluids down
  • Symptoms in someone who is pregnant, immunocompromised, or over 65

What burning urination after sex could be

The most common causes a clinician considers. This isn't a diagnosis — it's the differential a provider works through with you.

Urinary tract infection (UTI)

Urinary tract infection (UTI) is one of the more common causes of burning urination after sex. A provider can confirm with the right history, exam, or labs — and start treatment the same day when appropriate.

Chlamydia

Chlamydia is one of the more common causes of burning urination after sex. A provider can confirm with the right history, exam, or labs — and start treatment the same day when appropriate.

Gonorrhea

Gonorrhea is one of the more common causes of burning urination after sex. A provider can confirm with the right history, exam, or labs — and start treatment the same day when appropriate.

Yeast infection

Yeast infection is one of the more common causes of burning urination after sex. A provider can confirm with the right history, exam, or labs — and start treatment the same day when appropriate.

Typical workup

What a clinician usually orders or asks about when someone presents with burning urination after sex.

  • Focused history: timing, triggers, severity, and prior treatments related to "burning urination after sex"
  • Targeted physical exam of the involved system
  • Rule-in / rule-out workup for the most likely causes: Urinary tract infection (UTI), Chlamydia, Gonorrhea
  • Labs, imaging, or referral only when the answer will change management

When to see a clinician

  • Symptoms have lasted more than a few days without improving, or keep coming back
  • You're not sure if this needs antibiotics, prescription treatment, or watchful waiting
  • You have a chronic condition (diabetes, heart disease, immunocompromised) that raises the stakes
  • You want a same-day plan without a trip to urgent care

Common questions