Hi Welcome to HCm I have gone thru your query and can understand your concern . Dear , your present condition indicates your possible anemic state . I suggest you to take proper rest and lie down with eyes closed for some time and relax . But you should keep in mind that without inclusion of proper diet regimen your exercise will lower your energy level resulting the present symptoms . Any wrong posture also can cause dizziness . I would like to suggest you to follow ,yoga pranayam Meditation , Bhramari ,deep breething along with Balanced diet , containing all essential nutrients , fiber ,vitamins , minrals and Antioxidants in natural form in right proportion strengthns your immune system and lead healthy life . Get plenty to drink, have regular meals, and get plenty of rest. Stand up slowly, as this may help dizziness associated with position changes. Avoid processed foods carbs , sugar , fried ,fast foods , Tea , coffee ,alcohol and smoking , stress ,sleeplessness and Constipation all will produce biochemical and metabolic conditions in your body that will decrease your immunity, So avoiding is definitely the first step in the right direction to detoxing the body, boosting the immune system . Take lemon juice in a glass of water with a pinch of salt & pepper 3-4 times a for instant energy . Coconut water has essential nutriens and enlivens the soul instantly Take Homeo pathic Gelsium 30 dose in the morning & evening / 3 days Hope this helps solves your query .Take care .All the best .Get well soon Don t hesitate to come back if have further query .