Bells palsy. After 1 hour food at night.

Hello doctor i diagnosed with bells palsy on 20th april. I started prednisolone 30 mg for 1 week and physiotherapy. I suffered with blurred vision shivering insomania during my treatment. I finished the course and excersice and my condition is cured. But after 2 days from steroid treatment. I am suffering from frequent urination, thirsty. It has been 15 days still i suffered from frequent urination. Note.1. I have delivered a daughter 15 months ago with gdm on insulin for full 9 months. But suger levels controlled after my delivery and i am not sugar medicated. 2. I developed post partum hypertension and on amlong 5mg and eve 2.5 mg till date. 3. Day Before my bell palsy treatment my random sugar is 155 on cbg after 1 hour food at night.