Get Virtual Care
  • Primary Care
  • Urgent Care
  • FAQs
  • Support Center
For Businesses
  • Direct Primary Care for Organizations
  • For DMEs and Pharmacies
  • For Health Plans
  • For Providers
About Us
  • Who We Are
  • Why HealthTap
  • Our Standards
  • Contact
Log in
Book a video appointment
Book now
  • Get Virtual Care

    • Primary Care
    • Urgent Care
    • FAQs
    • Support Center
  • For Businesses

    • Direct Primary Care for Organizations
    • For DMEs and Pharmacies
    • For Health Plans
    • For Providers
  • About Us

    • Who We Are
    • Why HealthTap
    • Our Standards
    • Contact
Log in to HealthTap
HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
Overview
Symptoms
Related questions
HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
Conditions
Overdose
Caffeine overdose

Caffeine overdose

Share

Link copied

Overuse of caffeine, a central nervous system stimulant, that can cause confusion, irritability, anger and agitation, palpitations, flushing, and delirium.

Dr. Geoffreysss Rutledgeee reviewed this

41 years experience

Is a type of:

Overdose

How long it usually lasts:

Short-term (lasts days to weeks)

How common it is:

Rare
Toddler
3-5
Preteen
6-13
Common
Teenager
14-18
Very common
Young adult
19-40
Very common
Middle-aged adult
41-60
Very common
Senior
60+
Very common

Symptoms

Trouble sleeping
Nervousness
Headache
Feeling anxious
Irritability
Load more

Related questions

A 28-year old female asked:

What is the best way to recover from a caffeine overdose? What is the quickest way to get it out of your system?

1 doctor answer • 2 doctors weighed in

A 40-year old asked:

Caffeine overdose lead to renal damage?

1 doctor answer • 1 doctor weighed in

A 28-year old male asked:

Does Caffeine overdose really cause exactly the anxiety? Or it only has the same symptoms, not the real anxiety disorder..

1 doctor answer • 5 doctors weighed in

A 23-year old female asked:

Can caffeine overdose cause serotonin levels to drop?

1 doctor answer • 2 doctors weighed in

A 37-year old asked:

What are the effects of a Floricet (apap/butalbital/caffeine) overdose?

2 doctor answers • 6 doctors weighed in

A 32-year old asked:

Can a person die from a cafergot (ergotamine and caffeine) overdose?

1 doctor answer • 2 doctors weighed in

A 37-year old asked:

What is the treatment for cafergot (ergotamine and caffeine) overdose?

1 doctor answer • 2 doctors weighed in

A 18-year old female asked:

Could a numbness in the tip of tongue be caused by caffeine overdose or from anxiety?

1 doctor answer • 2 doctors weighed in

A member asked:

What is the definition or description of: Cafergot (ergotamine and caffeine) overdose?

1 doctor answer • 3 doctors weighed in

A 28-year old male asked:

Caffeine overdose cause constant lightheaded all times? I drank 3-5 cup greenTea/day and now I get lightheaded almost 3 month. how to treat?anxiety?

1 doctor answer • 3 doctors weighed in

A 48-year old asked:

What is the treatment for fioricet (acetaminophen butalbital and caffeine) overdose?

1 doctor answer • 1 doctor weighed in

A 23-year old female asked:

Does caffeine overdose do brain damage?

1 doctor answer • 1 doctor weighed in

A 29-year old asked:

How can i tell if I am overdosing on caffeine?

1 doctor answer • 6 doctors weighed in

A 37-year old asked:

What happens if someone overdoses on caffeine?

1 doctor answer • 1 doctor weighed in

A 42-year old asked:

How much to overdose on caffeine from red bull?

1 doctor answer • 5 doctors weighed in

A 46-year old asked:

Can overdosing on 1000mg of caffeine pills cause any permanent damage?

1 doctor answer • 3 doctors weighed in

A 19-year old female asked:

Used to take caffeine tab every day.but recently had overdose twice without changing qty.what can be the reason? What I felt was bad.

1 doctor answer • 1 doctor weighed in

A 40-year old asked:

What are the effects of overdose on migraten (apap/caffeine/isometheptene mucate)?

1 doctor answer • 3 doctors weighed in

A 27-year old asked:

What will be the effect of overdose on excedrin (apap/asa/caffeine)?

3 doctor answers • 9 doctors weighed in

A 28-year old male asked:

How to treat anxiety symptoms (tinnitus, constant lightheaded) that caused by to many drinking caffeine? How to check if I'm overdose? blood test?

2 doctor answers • 5 doctors weighed in

A 37-year old asked:

If I overdose on caffiene, will it damage the part of the brain that lets me go to sleep?

1 doctor answer • 2 doctors weighed in

A 22-year old female asked about a male:

What if the baby eat caffeine?

1 doctor answer • 1 doctor weighed in

A 26-year old asked:

Is it really safe to drink caffeine?

1 doctor answer • 1 doctor weighed in

A 18-year old asked:

Can too much caffeine kill someone??

1 doctor answer • 1 doctor weighed in

A 21-year old female asked:

What causes an unusual sensitivity to caffeine?

1 doctor answer • 1 doctor weighed in

A 34-year old asked:

Is caffeine fattening?

1 doctor answer • 2 doctors weighed in

A 37-year old asked:

is caffeine ok for headakes?

2 doctor answers • 4 doctors weighed in

A 48-year old asked:

Can one be allergic to caffeine ?

1 doctor answer • 1 doctor weighed in

A 41-year old asked:

How does caffeine affect you skin?

2 doctor answers • 3 doctors weighed in

A 39-year old asked:

Can nodoz (caffeine) give you gas?

2 doctor answers • 2 doctors weighed in

HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited

For Businesses

Direct Primary Care for OrganizationsFor DMEs and PharmaciesFor Health PlansFor Providers

Company

About UsSupport CenterContact Us

Health Content

Health TopicsDoctor Q&A by Specialty

Join Us

For DoctorsJobs
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.