Doctor insights on:
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
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
Maybe: Some of the effects of caffeine are to help you concentrate, breathe better and speed up your heart rate these may help you with sports and activities but it can also be a diuretic - you may have to urinate shortly after drinking it so keep that in mind if you go for any hour run. ...Read more
TAPER OFF: Depends on the amount of caffeine. Brewed coffee has the highest caffeine content. So the best is to decrease by 1/2 a cup a week if you drink several cups a day. This method. Applies to any caffeinated beverage. The withdrawal can be headache, feeling achy and irritability and tired. Then begin a good sleep wake regimen and exercise for the energy replacement. And yes too much caffeine is bad! ...Read more
Caffeine: Any quantity is too much that makes you jittery and anxious rather than pleasantly awake. You can also get into a troublesome cycle with caffeine to wake up by, and sleeping pills to rest by. Much better to have your body exercise its own sleep-wake cycle, without drugs. Occasional coffee is okay -- but even 2 cups/day will habituate you such that stopping will cause withdrawal symptoms. ...Read more
Caffeine: To compare, a regular 8 ounce cup of drip-brewed coffee generally has 65-120mg of caffeine in it. Otc no-doz contains 200mg caffeine. Caffeine may increase blood pressure and heart rate, cause heart arrhythmias, & raise cholesterol. It can also cause nervousness, irritability, sleep disturbances, and gastrointestinal disturbances. If sensitive to it, you could experience all these effects. ...Read more