An overactive bladder, also known as urge incontinence, refers to a medical problem in which people develop the strong urge to urinate because of bladder contractions or spasms. Medline Plus, a website of the National Library of Medicine, indicates that signs of an overactive bladder include involuntary loss of urine and frequent urination throughout the day and night. Common overactive bladder medications exist to treat symptoms.
Darifenacin
Darifenacin, commonly sold as Enablex, is a medication that specifically reduces the muscle spasms in the bladder and the urinary tract. Drugs.com says that this medication treats overactive bladder, incontinence and urgent or frequent urination. Its less serious side effects include nausea, constipation, headache, weakness, dizziness, blurry vision and dry eyes. In some instances, darifenacin leads to body aches, flu symptoms and diarrhea. This medication's serious side effects include decreased urination, dry skin, burning or pain with urination and severe stomach pain. Notify a doctor when darifenacin leads to these effects. Darifenacin is a tablet taken daily or as prescribed.
Solifenacin
Solifenacin, commonly sold as Vesicare, is another medication that reduces muscle spasms in the urinary tract and bladder, says Drugs.com. Solifenacin's less serious side effects include dizziness, sore throat, fever, blurry vision, dry mouth and constipation. In some instances, solifenacin leads to stomach pain. Some of solifenacin's serious side effects include decrease urination, pain or burning with urination, extreme thirst and dry skin. Notify a doctor if solifenacin causes these effects. Solifenacin is also a tablet taken daily or as prescribed.
Trospium
Trospium, commonly sold as Sanctura, is an anticholinergic medication which also relaxes the bladder muscles. Medline Plus says that trospium's less serious side effects include constipation, a headache and dry mouth. Some of its serious side effects include rash, hives, itching, trouble breathing or swallowing and difficulty urinating. Phone a doctor if trospium leads to these effects. A change in trospium's dose may be required when taking such medications as vancomycin, procainamide, morphine and metformin. Trospium is a tablet taken twice daily.
