Why do I randomly have shortness of breath?

I am a 13 year old female with shortness of breath and exhaustion. Right now, I'm kinda dizzy, the shortness of breath and am exhausted. If I walk for a minute right now, I would get exhausted as if I just ran a bit. It happens at different times, but...

i've had shortness of breath for a couple of years maybe around 2 or more, but now its worrying me, i have to breathe every 3 seconds and i cant even hold my breath for a long time anymore, when im distracted and i forget to breath out of my mouth for...

Hi. Almost a year ago I had an episode of Anxiety, Shortness of breath and dizziness. Went to the ER and after examination and several EKGs been diagnosed with pretty much nothing (neuro-vegetative disturbances) and prescribed to take calcium and magnesium...

Propranolol, Amitriptyline and Codeine have all, over the last few months, started causing me extreme shortness of breath (I take them separately - not together) and chest tightness. At night if I have taken any of these tablets I wake up gasping for...

I am about to be 18 years old and I am relatively in good shape. I eat right but i haven't lifted weights in half a year and i haven't done cardio exercises in almost two months. Today I worked on my chest on back and I felt a shortness of breath midway...

I don't have asthma or anything like that. I can take regular tablets like 2 paracetomol or whatever and I'm usually fine, but if I take anything with 'max strength' or 'extra' or whatever, my chest seems to get kinda tight or something, and I get shortness...

I was taken to the hospital with shortness of breath. Pulmonary embolism was ruled out, but the level of oxygen in the arterial blood gas is still below normal. The cardiology workup ruled out heart causes. However, I still have shortness of breath with...

What could I have? Today I started experiencing the feeling of shortness of breath, nausea and a headache but these symptoms might not have anything to do with it I could still breath in just didn't feel like I could fully breathe in and I couldn't burp...

I have had an irregular heartbeat for a few years now and have never been held back by it as far as physical activity goes. I was told that it is not normal but nothing to worry about and i can take this medication Flecainide Acetate which should make...