What to do if i think im anaemic, what will it lead to and the main symptoms?

Fatigue.: Anemia is lack of red cells. Usual symptoms feeling cold, lightheaded, weakness, headaches, shortness of breath with exercise. Most important is why you are anemic. This does happen without a cause that needs to be found and treated. The causes are many. Talk to your doctor about this.

Fatigue: You will feel tired and have a lack of energy. Get tested by your doctor asap.