History seem bit of complexity the sign you have explained is something called Cold Sweat indicates your body is under physical stress and experiencing low Blood pressure, , Cardiac event..
Patient is known case of
diabetes hence is important to take the antidiabetic medication with precaution because it may cause Hypoglycaemia..
Please remember few important sign of Hypoglycaemia
1)Sweating/ chills
2) fast heart beat
3) Dizziness
4) confusion
5) Anxiety/ Irritability
Monitoring of regular Blood pressure is essential and chest pain need to be evaluated with ECG and Cardiac Markers..
Next Steps
Take caution with Antidiabetic medication like before the food/ after food time of medication
ECG should be done along with Cardiac Markers
consult with Cardiologists if symptoms continu
Avoid the stress
feel free to contact if any advice needed