Fainting from exertion

Once, after I ran I had faintness, difficulties in breathing, seeing (white image). Then the medic gave me glucose and calcium, what were they for?

What might cause faintness, numbness, pain, and lightheaded drowsy and really abnormal feeling only while laying?

18 yr old female. Since a nap 2 hours ago, I have been getting sudden short bursts of faintness above my eyes 5-10 times a min. What's going on?

What could cause faintness, impaired vision and ringing in ears?

Can the vagal nerve or vagal response be overactive or malfunction? Because whenever i eat anything i get very lightheaded, faintness, pale and shaky.

I get faintness after exercising, heartbeat feels faint, feels as not enough blood going to head, not low blood sugar as have eaten, have to lie down,?

On 90mg cymbalta (duloxetine) a day , i'm switching to lexapro.Dr said to take 60mg cymbalta (duloxetine) and 20 mg lexapro a day for a week.Is this ok? I feel faint/bad !how relieve faintness? Is serotonin syndrome a concern?

I'm taking a of 15 mg Roxicodone, (oxycodone) can this cause a anxiety,sweating,faintness? If so, How long will these symptoms last?

What could cause my ears to suddenly start ringing and the sound seen muffled? Often it comes with a wave faintness or a lightheaded feeling.

I am feeling Nausea and dizziness while my stomach is low on food. Sometimes the pain goes to the brain or I feel faintness . once I am on Food its Ok?

Faintness nausea diarrhea light pain around belly button all occasional but have been going on for at least a month. blood after wiping after BM once?

This is Napoleon Vance, my mother Maebrel Vance is taking this drug Lisinopril and is suffering from the side effects of dizziness, faintness, lighthe?

What is the outlook for a person diagnosed at 21 with ventricular septal defect with symptoms(just below80% lung function, neasua, faintness, rapid hr)?

What may cause stabbing sternum pain, faintness, bloated belly and gas?

Dizziness, numbness in the face, faintness, nausea, shortness of breath.

How to prevent nervousness, as i always faced increased heartbeats, sweaty armpits and faintness. Please help doctor.

Symptoms: break out into a cold sweat, hands start shaking, feeling of faintness, heart races. Out of theblue onset of symptons?

What could these symptoms indicate (for a woman)? Bloated belly, cramp, cold sweat, faintness, feelingl like need to go to bathroom?

What is cause of warm, sometimes lactic acid burn in heart and inner chest associated with faintness and impending doom, feeling of dying?

This sunday i experienced a feeling of faintness, excessive sweating, tingling in my face all over and nausea. What could cause these symptoms. ?