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Doctor insights on: Alcohol Constricts Blood Vessels

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Dr. Ted King
1,879 doctors shared insights

Veins (Definition)

Veins are thin walled vessels that carry deoxygenated blood ...Read more


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Do allergic reactions constrict or dilate blood vessels?

Do allergic reactions constrict or dilate blood vessels?

Dilate: In the nose this leads to congestion and runny nose. If the reaction is systemic, then blood vessel dilation leads to low blood pressure. ...Read more

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Is there a test, not just BP, that can see if blood vessels in the symp nervous system are more constricted than they should be?

Is there a test, not just BP, that can see if blood vessels in the symp nervous system are more constricted than they should be?

Backwards: Blood vessels do not go to the sympathetic nervous system. The sympathetic nervous system goes to blood vessels. The sympathetic & parasympathetic nervous systems are so tightly integrated with the somatic nervous system that for all intents and purposes they are 1 system. Whatever question you're trying to answer, you need to gather more facts in order to reframe it more accurately ...Read more

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Does caffeine constrict blood vessels?

Does caffeine constrict blood vessels?

Yes…a little: That is why it is helpful in the treatment of headache, but it can also raise your blood pressure a little bit , usually not enough to be dangerous, even if you have high blood pressure. But if you are in doubt, ask your doctor ...Read more

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Does dopamine constrict or dilate blood vessels?

Both: Overall Dopamine constricts blood vessels, and this medicine is used in icus for patients with dangerously low blood pressures. However, at low doses, certain blood vessels in the body, such as the kidney, Dopamine can relax the vessels to increase blood flow (helps perfuse the kidney so that they can do their job better). ...Read more

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Does smoking cigarettes permanently constrict blood vessels?

Yes possibly: Smoking leads to diseases like heart disease which causes permanent narrowing of arteries however the risk of developing disease like heart disease reduce slowly after quitting. ...Read more

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Do SEVERE chronicMigraines (& I mean feeling carotid and head blood flow start to SURGE while constricting,)cause significant damage to blood vessels?

Do SEVERE chronicMigraines (& I mean feeling carotid and head blood flow start to SURGE while constricting,)cause significant damage to blood vessels?

Thankfully no: Migraine headaches make you hypersensitive to sounds and every sensations. Every indication is that sounds and sensation are normal events that you are hypersensitive to. ...Read more

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