Dizziness...

Low blood pressure?

Most obvious sign of overtraining. 1 day completely off or very light running will cure it.

Are you on EPO?

Not Blonde wrote:

Is it normal to be dizzy or lightheaded after you run..??...I feel like I am going to passout when I stand up after I run..even the next day...Today I ran 18 and everytime I stand up I feel like I am going to drop..Its been happening since I started running alot a few years ago...I know Ill take some heat but I am serious..I keep thinking I am going to pass out one day when I try and stand up...I have to hold something sometimes...its kind of a white out

Go see a running doc to have it checked out. After a run it can quite often be your blood sugar levels. Check it out especially if you do not have a structered eat plan.

Too low of a blood sugar level..??...how can one increase your blood sugar level.?..

blood sugar levels can be increaced most prominantly if you arent eating enough to begin with. Powerade and gatorade are good ways to raise ones blood sugar quickly.

Classic sign of dehydration. More water and fluids.

How long after you finish your run does this persist? Is it jsut for a few hours after your run? If you did 4 miles easy would this still happen? The answers to those questions would influence my response but it may just be venous pooling. After you stop exercising, say a hard run, over 60% of your blood is in the venous system.

The blood pools in the veins in your legs and feet and if you were to stand quickly there would be insufficient blood being returned to your heart and head and you would feel light headed. Low venous return would also result in a transient increase in geart rate.

Veins have one way valves and blood flows up towards the head in response to the squeezing or pumping action of your muscles - skeletal muscle pump. This return of blood maintains central blood volume and cardiac output. More accurately it returns blood to the right ventrical so that it can be pumped to the lungs, oxygenated , sent to the left ventricle and then pumped out to the working muscles.

So may be try and walk around a bit after your run and when you sit or lay down elevate your feet above your head. Good luck.

Get a blood test ASAP! I bet you're anemic or have low blood sugar or something.

Good luck!

Not Blonde wrote:

Too low of a blood sugar level..??...how can one increase your blood sugar level.?..

All the answers below attempt to point to something. However, it is pointless trying to drink something on the day to overcome the problem if your whole eating plan does not assist your running. Without the eat plan you can land up suffering from everything mentioned.

Eat to win as they say.

Dehydration, and low blood volume.