Sweating is a normal reaction when your body's working harder and needs to cool itself down. 
Overweight is one of the causes of 
excessive sweating. Have you checked your thyroid??
Advice 
1.     Investigation – blood sugar (F & PP), serum T4 and TSH
2.     Measure your blood pressure regularly
3.     Avoid 
stress as it aggravates sweating
4.     If you are overweight then lose some weights 
5.     Avoid hot environment and strenuous activity
6.     Wear loose cotton undergarment
7.     Drink 4 – 5 liters of water daily
8.     Use dusting powder containing 
ketoconazole or fluconazole
9.     Take bath two times daily and use branded soap for bathing 
10.     Avoid 
smoking, tea and coffee as these aggravates sweating
I hope this information will help you. I will be happy if you ask another question
Thanks