Are intravenous antibiotics ever used for bladder spasms and if so why?

Intravenous antibiotics are not typically used specifically for bladder spasms; instead, they are prescribed to treat underlying urinary tract infections (UTIs) that may be causing the spasms. Bladder spasms can occur due to inflammation or irritation from infections, so addressing the infection with antibiotics can help alleviate the spasms. In cases where oral antibiotics are ineffective or the patient cannot take them, intravenous antibiotics may be necessary. However, the primary treatment for bladder spasms usually involves antispasmodic medications rather than antibiotics.