Questions Related To Anesthesiology

Assalam o alaikum. My father has been feeling Nausea for some days. He is sleepless due to Nausea when he goes to sleep he wakes up after some minutes and says "i have some kind of fear and Nausea" . His B.P is normal and he is taki...

I want to ask how long one can feel side effects after spinal anaesthesia. I had c sec 3.5 years back with spinal anaesthesia, after which I felt severe headache for 2 weeks doctor gave different pain killers for it. within 2months...