Get Virtual Care
For Businesses
About Us
A member asked:
How long should the effects of a 200mg caffeine pill last? i think my tolerance is high. i have between 400-600mg a day.
A doctor has provided 1 answer
Caffeine : Caffeine pills are very dangerous. Could lead to rapid heart beat, palpitations, elevated blood pressure, mood changes, and insomnia. One to cups of coffee per day might be beneficial for health. Drink your coffee in moderation. Stay away from caffeine pills.
Answered 11/28/2017
2.9k views
Thank
Related Questions
A member asked:
Can tremors or body twitching from caffeine withdrawal last longer than two weeks?
A doctor has provided 1 answer
A member asked:
If you have a high heart rate and muscle twitching will you be ok? Its been about an hour since the last drink of caffeine and it got better for a min
5 doctors weighed in across 2 answers
A member asked:
What are the side effects of caffeine pills other than staying awake?
A doctor has provided 1 answer
People also searched for:
25 amiptriptyline, 200mg tramadol, 2 fioricet (acetaminophen butalbital and caffeine) and 2mg clonazapam , in last 6 hours . I have high tolerance . Should these multi med be safe ?
How long do the effects of Guarana last? I took a guarana caffeine pill a week ago (never took caffeine pills in the past) and since then, my movements have been shaky/tremor. I have not seen research on how long tremor lasts from one use. Thank you?
I have developed high tolerance to caffeine. Rooted from college years. 1 or 2 or even 3 cups wont cut it. Not addicted, but any substitutes?
What to do if my caffeine tolerance is impossibly high?
Could a high tolerance to caffeine affect your concentration?
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
