**Core Concept**
Cystitis refers to the inflammation of the bladder, often caused by bacterial infections, but can also be due to other factors such as chemical irritants, radiation, or interstitial cystitis. The symptoms and clinical findings associated with cystitis can vary depending on the underlying cause.

**Why the Correct Answer is Right**
The correct answer is related to the clinical presentation of cystitis. In cystitis, patients often experience symptoms such as dysuria (painful urination), urgency, frequency, and suprapubic pain. **Option A** is a symptom commonly seen in cystitis, as the inflammation of the bladder can cause irritation and discomfort during urination.

**Why Each Wrong Option is Incorrect**
**Option B:** This option is incorrect because it refers to a symptom associated with urethritis, which is the inflammation of the urethra. Urethritis can cause symptoms such as dysuria and discharge, but it is not typically seen in cystitis.

**Option C:** This option is incorrect because it refers to a symptom associated with pyelonephritis, which is the inflammation of the kidney. Pyelonephritis can cause symptoms such as flank pain, fever, and costovertebral angle tenderness, but it is not typically seen in cystitis.

**Option D:** This option is incorrect because it is a symptom associated with a condition other than cystitis. The correct answer is a symptom that is NOT typically seen in cystitis.

**Clinical Pearl / High-Yield Fact**
One clinical pearl to remember is that the symptoms of cystitis can vary depending on the underlying cause. For example, interstitial cystitis may present with symptoms such as chronic pelvic pain and frequency, while bacterial cystitis may present with symptoms such as dysuria and urgency.

**Correct Answer: A. Dysuria**