Anti-spasmodic properties: Anti-spasmodics can help relieve any painful spasm or cramp caused by a UTI. Generally a spasm takes place in the bladder. 1. Drink Water-A lot of Water. This may not sound like the most extraordinary remedy, but it is one of the most important things you can do when you have a UTI.nti-spasmodic properties: Anti-spasmodics can help relieve any painful spasm or cramp caused by a UTI. Generally a spasm takes place in the bladder. 1. Drink Water-A lot of Water. This may not sound like the most extraordinary remedy, but it is one of the most important things you can do when you have a UTI.