Side Effects Group I Group II Group III
(n=90) No. % No. % No. %
Nausea 7 23.33 2 6.67 1 3.33
Hypotension* 20 66.67 12 40 5 16.67
Bradycardia** 4 13.33 1 3.33 1 3.33
Itching** - - 1 3.33 2 6.67
Headache* 5 16.67 3 10 1 3.33
Shivering 5 16.67 2 6.67 1 3.33
*P<0.01 **P<0.001
Table 3: Side Effects.