hello, It can be low bp, or even high bp can also cause these symptoms. So need to buy one electronic bp apparatus and have home measurements of the bp. Otherwise, you should have a healthy lifestyle like avoiding fatty, oily and high calorie diet. Have low salt diet and monitor blood pressure regularly thrice a day for one week then once or twice a week. If bp is low, then you can ask a doctor to reduce the dose and you can have salt and sugar water for it. Also, blood pressure should not be persistently more than 140/90. Regular exercises like brisk walking, jogging according your capacity atleast 30 min a day and 5 days a week. Lots of green leafy vegetables, fruits, fish once or twice a week, avoid meat. Avoid smoking and alcohol if any. There shouldn t abdominal fat deposition or obesity. Get your lipid profile and sugars tested once..