What Causes Frequent Urge To Urinate?

Hi I am Nithya from India- Tamilnadu. Right from morning 5 30 am i am facing frequent urination for every 10-15 minutes. I am not under any medication now, and not sure why this is happening. I am aged 32, Female. As I am working i find it difficult to sit in my work place. i had one tender coconut this morning and few fenugreek seeds. if you could provide me some medicines to stop this immediately that will be helpful. when i asked with a local pharmacy they provided me with uriliser