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Doctor insights on: Why Do We Have Adrenaline In Our System

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Why do we have adrenaline in our system?

Why do we have adrenaline in our system?

Very important: It's your fight or flight hormone. It affects almost all parts of the body. It works differently in different parts of the body but in general it is responsible for getting you ready to run away or fight the immediate danger: increase breathing, increase heart rate, dilate your eyes so you can see better, break down fat to get energy, stimulate production of sugar for energy, contract muscles... ...Read more

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Dr. Louis Gallia
442 doctors shared insights

Adrenaline (Definition)

Adrenalin(e) / Epinephrine is the hormone produced by the adrenal medulla that speeds and strengths the heart, dilates the airways, and shifts blood flow to the muscles. Often this is in response ...Read more


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If the autonomic system is significantly severely damaged what happens if it stops producing hormones such as adrenaline ?

If the autonomic system is significantly severely damaged what happens if it stops producing hormones such as adrenaline ?

Adrenaline: Epinephrine and norepinephrine sometimes collectively referred to as adrenaline, are essential hormones for normal physiologic function of the body particularly when the body is under stress. They are primarily produced in the adrenal glands but are neurotransmitters as well. Their absence would be incompatible with life. ...Read more

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How does adrenalin/epinephrine drug affect the cardiovascular system ?

How does adrenalin/epinephrine drug affect the  cardiovascular system ?

Raises : They will cause a rise in blood pressure by constricting blood vessels/arterioles and raises the heart rate by stimulating the beta receptor. ...Read more

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What is the best way to introduce antihistamines or H2 blockers into my System after I use epipen (epinephrine) before I go to the hospital? Or tostopmildreaction.

What is the best way to introduce antihistamines or H2 blockers into my System after I use epipen (epinephrine) before I go to the hospital? Or tostopmildreaction.

Anti histamines: You can take either an antihistamine or H2 blocker (or both immediately following using an epipen (epinephrine). It may help stop a worsening allergic reaction. Anti histamines block H1receptors and H2 blockers work on H2 receptors so you are blocking both histaminic receptors. Best is to avoid whatever you are sensitive too in the first place. ...Read more

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Why does my epipen (epinephrine) cause halucinations isnt it suposed to affect my cardio vascular system not my brain? my GP doesnt know

Why does my epipen (epinephrine) cause halucinations isnt it suposed to affect my cardio vascular system not my brain? my GP doesnt know

Epinephrine : neurotransmitter and definitely affects your brain. The most common reaction some people have is a feeling of anxiety or apprehension, although this is usually mild. It is certainly possible to have a stronger reaction, including various sensory illusions including hallucinations. If your GP doesn't know this, I would recommend consulting with a different physician. ...Read more

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Would Multiple System atrophy cause dizzy, tach up to 180bpm, shaky, memory issues, vision problems, twitching,, headaches, high epinephrine...?

Would Multiple System atrophy cause dizzy, tach up to 180bpm, shaky, memory issues, vision problems, twitching,, headaches, high epinephrine...?

Never seen 180 BPM: I've treated many a patient with MSA and recently lost a patient who was a good friend of mine to the same diagnosis after his 10 year battle. I've never seen a heart rate of 180 BPM. That's not autonomic dysfunction anymore as much as sinus node problem with the heart itself. MSA will cause more disruption of a dramatic nature with blood pressure but not escalate heart rate to those extremes. ...Read more

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What is adrenaline?

What is adrenaline?

See below: Epinephrine (also known as adrenaline or adrenalin) is a hormone and a neurotransmitter. Epinephrine has many functions in the body, regulating heart rate, blood vessel and air passage diameters, and metabolic shifts; Epinephrine release is a crucial component of the fight-or-flight response of the sympathetic nervous system. ...Read more

Dr. Tia Tortoriello
984 doctors shared insights

Epinephrine (Definition)

Epinephrine is a rhythm control agent which is a ...Read more