Abdominal muscle spasms after situps can be a sign that you're overdoing it during workouts. Other possible causes include dehydration or electrolyte imbalance.

The link between OAB and bladder spasms That urgent need to urinate occurs because of sudden, unexpected contractions or spasms of the detrusors, muscles in the walls of the bladder.

The latter includes things like interstitial cystitis (inflammation of the bladder wall), overactive bladder (which causes involuntary muscle spasms in the lining of this organ), a urinary tract ...

DEAR DR. ROACH: In two weeks, I am supposed to get Botox injections in my bladder for an overactive bladder (OAB) and my frequent need to urinate at nighttime. Are these injections safe? Are there ...