Doctor insights on:
How Much To Overdose On Caffeine From Red Bull
As little as 1 can: Depending upon your metabolism & sensitivity, even 1 can of red bull, which contains 76-80mg of caffeine, can be too much for some individuals. However, most adults can handle 200-300mg daily or the equialent of 3-4 cans. Once you clear 500-600mg daily, we tend to worry about side effects. Remember, your mileage may vary! ...Read more
I have once fainted after having a red bull. Maybe i'm allergic or sensitive to caffeine. What are your thoughts?
Unlikely allergy: Caffeine will not cause allergic reactions, but does have common side effects that are worse with higher doses as may be found in some "energy drinks." typical symptoms would be rapid heart rate, tremor, palpitations, GI upset and headache. Fainting is from lack of sufficient blood flow to the brain, which can be caused rarely by heart issues. Avoid high doses of caffeine until seen by doctor. ...Read more
Is caffeine pills addictive? I used to have a can of 375ml red bull before heading back to office, i consider red bull strong enough to keep me awake.
What causes the huge crash when you consume a caffeine drink like red bull or coffee and how do you prevent it while studying?
Post stimulation: After a stimulating drink, the nervous system is charged for only a short time, then the stimulation eases and the brain hype declines - the crash is proportional to the height of the stimulation -- red bull being powerful that way. How to prevent it: don't drink so much of the powerful stuff - try V8 FUSION ENERGY drinks --= a lot healthier and less likely to cause crash - drink it more slowly ...Read more
Can have red bull at midnight and be fine. Caffeine not an issue. Coffee (drink or in food) after 6 pm will end up as severe migraine next day. Why?
I had yellow thunder which obtains 200mg of caffeine per pill last night and 2 this morning I also had a red bull and I vomited and me head kills?
I have a big lump under my nipple its sore and real red all around my boob went Dr b4 said it was to much caffeine ?
Breast lump: better get that re evaluated. may need an ultrasound ...Read more
Is it safe to take to the following supplements together daily: red ginseng root, Guarana, caffeine, b-complex?
Probably: but WHY are you mixing all these so called "supplements"? They may be OK with each other (in moderation) but are certainly NOT a good idea with certain Prescription medications and you NEVER know when you might need a Doctor's Prescription!!! \ Hope this helps! Dr Z ...Read moreSee 1 more doctor answer
Safe to take following supplements together daily: red ginseng root, Guarana, caffeine, b-complex? Taken for energy as alternative to energy drinks?
Probably, but: a better question is why do you need to boost your energy? Are you not sleeping well? Is there something going on in your body? Are you depressed? It might be worth seeing a primary care provider to make sure you're healthy, and if so, focus on a healthy diet and physical activity instead of supplements! ...Read more
Is taking these safe? Phenylethylamine, caffeine theobromine, caralluma, synephrine, methylsynephrine, l-carnitine, crateagus, red raspberry ketones, Zantac (ranitidine)
Woow!: Are you asking about a composite medication, cross reaction between one supplement and another, or a novel combination you'd like to take? By the way, what are you trying to treat with this medley? ...Read more
Depends on your body: A cup of coffee may contain up to 100mg of caffeine. Most adults can consume two to four cups of coffee daily (really! or 200-300mg) w/o health concerns but this varies widely depending upon your metabolism & sensitivity. Once you push to 500-600mg of caffeine daily, your risk for side effects increases dramatically. ...Read more
Very difficult!: You would have to consume 24 cups simultaneously to approach a lethal dose for a small child! couldn't be done! ...Read more
Advise: your physician.Get a more detailed answer ›
CNS stimulation: Caffien is an central nervous system(cns) stimulant, any overdose causes confusion, irritability, anger and agitation, palpitations, flushing &delirium. Rarely it can cause mania and seizures. It is a diuretic and in overdose can cause dehydration. It is acidic to stomach hence diarrhea and vomiting is possible. Lethal dose is about 150 to 200 milligram /kg which translates to 100 cups of coffee. ...Read moreSee 1 more doctor answer
Why would an amount as small as 50mg of caffeine cause me to feel symptoms of a caffeine overdose?
Depends: 50mg of caffeine is a relatively small amount of caffeine. What symptoms are you feeling? If you are naive to caffeine it is possibly you could have symptoms such as increased heart rate and anxiety. Also, if you took a caffeine pill it is possible your body has absorbed this more quickly than usual. ...Read more
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