Your new drug prescribed by your doctor ( trivolib ) has glimmipride and VOGLIBOSE in it.Since you were already taking glimiipride earlier,the only new medication is VOGLIBOSE.Side effects of VOGLIBOSE are generally stomach related like nausea,vomiting,flatulence
,abdominal distension etc and is unlikely to cause giddiness and restlessness
Your currents symptoms could be due to hypoglycemia
or associated hypertension
Consult your doctor for the diagnosis.