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How would I go about confirming a caffeine allergy/ intolerance? When I consume caffeine I have what seems to be an anaphylactic reaction.
Distinctly Unusual: Caffeine allergy is unusual but has been reported in the literature. After speaking to your allergist and clarifying your history, there are several options that could be explored. Skin testing could be done but there is no standardized skin test reagents for caffeine thus the results must be interpreted with care. Oral challenges could be considered but only with your physicians supervision. ...Read moreSee 1 more doctor answer
Anaphylaxis is a severe, whole-body allergic reaction to a chemical that has become an allergen. After being exposed to a substance such as bee sting venom, the person's immune system becomes sensitized to it. When the person is exposed to that allergen again, an allergic reaction may occur. Anaphylaxis happens quickly after the exposure, is severe, and ...Read more
Hmmm...: What do you mean by anxiety? In my way of thinking, caffeine (espcially in normal amounts) as a drug does not have the pharmacological property of causing ANXIETY. However, EXCESS caffeine usage in an individual can, by a different number of ways (i.e. too much as in Energy drinks, withdrawal as in cutting back or sudden cold turkey) cause jitteriness, nervoussness, shakiness, etc. ...Read moreSee 1 more doctor answer
Stimulant: Caffeine's effects often depend on the individual. For some people, it can provide energy, focus, and alertness. In others, and especially at higher concentrations, it can cause jitteriness, problems sleeping, and palpitations. With repetitive use, you may become tolerant to caffeine, meaning its effects are reduced over time. ...Read moreSee 1 more doctor answer
Follow instructions: If you follow the instruction on the package, you are unlikely to take a dose sufficient to cause any significant problem. There is no good way to tell if you are taking too much by your symptoms since by that time you are likely to have already taken too much. ...Read moreSee 1 more doctor answer
Yes, but...: Caffeine is indeed an appetite suppressant and can actually slightly increase your metabolism, and may have a modest effect on weight loss, but there is no hard evidence that caffeine will significantly lead to long term weight loss. Also, keep in mind that too much caffeine can lead to nervousness, insomnia, nausea, elevated blood pressure, and even heart palpitations. Use in moderation. ...Read moreSee 1 more doctor answer
Can be: Symptoms of caffeine overdose may include: Restlessness, ^ heart rate, palpitations, nausea, vomiting, anxiety, insomnia, ^ sweating, dizziness & cardiac arrest. Possible side effects of caffeine: nervousness, insomnia, restlessness, irritability feeling hyper, ringing in ears, rapid or irregular heart rate, nausea, vomiting, GI upset, shakiness, dizziness or allergic reaction. ...Read moreSee 1 more doctor answer
Jittery?: Caffeine is first of all a CNS (central nervous system) stimulant and its effect can vary from simply keeping you awake to palpitations , anxiety. jittery feelings...... Second of all its a Diuretic (make you urinate) Hope this helps! Proves MODERATION is BEST in ALL THINGS Dr Z ...Read moreSee 1 more doctor answer
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