Get Virtual Care
For Businesses
About Us
A member asked:
Why does caffeine and things like amphetamine salts give energy when they constrict the blood vessels?
A doctor has provided 1 answer
Norepinephren: These substances increase the effect of norepinephren an excitatory brain chemical.
Answered 1/12/2015
3.3k views
Thank
Related Questions
A member asked:
Could a blood vessel burst in the lungs due to smoking crack and meth heavily?
A doctor has provided 1 answer
A member asked:
Can Adderall (dextroamphetamine and racemic amphetamine) mix with caffeine?
2 doctors weighed in across 2 answers
A member asked:
Is it safe to drink caffeine while taking 40mg of adderall (dextroamphetamine and racemic amphetamine) XR a day?
5 doctors weighed in across 2 answers
A member asked:
Can you tell me if i could use ephedrine/caffeine to stretch my Adderall (dextroamphetamine and racemic amphetamine) script?
A doctor has provided 1 answer
A member asked:
What will happen if you combine adderall, (dextroamphetamine and racemic amphetamine) caffeine, & yohimbine?
3 doctors weighed in across 2 answers
People also searched for:
Does caffeine constrict blood vessels?
Do I have arrhythmia? I keep having irregular heartbeats all day and have been for a little over a month. It started when I was drinking 300-600mgs of caffeine a day (2 cans of Bang energy). Checked at ER. Ekg, blood, and xray were good.
Because caffeine restricts blood vessels, is that why you should avoid it if you have menstrual cramps? Just interested about this
If caffeine constricts blood vessels, and increases metabolism is it possible that it might have an affect on the effectiveness of metronidazole?
I cut a blood vessel in my finger when i crushed it. it got spliced back together and I was told to avoid caffeine and nicotine as i did. its been healing for 14 days now and i was wondering if its okay to have those again?
Didn't find what you're looking for?
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your questionMore of what we treat
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HIPAASecure
SOC 2 Type 2Certified
JCAHOAccredited
Download HealthTap
Video visit and message your doctor
