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Bladder Cancer
Bladder cancer is a growth of cancer cells in the bladder lining. Its most common sign is painless blood in the urine, which should always be checked.
Causes & risk factors
- Smoking (the biggest risk factor)
- Exposure to certain industrial chemicals and dyes
- Chronic bladder irritation or infection
- Increasing age
- Previous radiotherapy or some chemotherapy
Common symptoms
- Blood in urine (often painless)
- Frequent urination
- Painful urination
- Pelvic pain
- Urgency to urinate
Tests & diagnosis
- Urine test and urine cytology
- Cystoscopy (bladder camera)
- CT scan
- CBC
- Creatinine
Treatment & management
- Removing tumours through a cystoscope for early disease
- Medicines placed into the bladder to reduce recurrence
- Surgery to remove the bladder in advanced cases
- Chemotherapy or radiotherapy as needed
- Regular follow-up cystoscopy, as recurrence is common
When to see a doctor urgently
- Any blood in the urine, even once and painless — get it checked
- Persistent urinary symptoms not settling
- Pelvic pain with urinary changes
- A history of smoking with urinary bleeding
Not a diagnosis. MedDroid gives general educational information about bladder cancer. It cannot examine you, diagnose or prescribe — always confirm with a qualified doctor.
Frequently asked questions
Is blood in urine always cancer?
No — it is often from infection or stones. But painless blood in the urine can be a sign of bladder cancer and should always be investigated.
Does smoking cause bladder cancer?
Yes, smoking is the leading risk factor. Stopping smoking lowers the risk and helps outcomes if cancer is already present.
Explore more
Sources & further reading
- World Health Organization (WHO)
- MedlinePlus — U.S. National Library of Medicine
- Ministry of Health & Family Welfare, India
- Indian Council of Medical Research (ICMR)
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.