4 doctors weighed in:

What are the symptoms of to much caffeine?

4 doctors weighed in
Dr. Heidi Fowler
Psychiatry
2 doctors agree

In brief: Caffeine

Possible side effects: nervousness, insomnia, restlessness, irritability feeling hyper, ringing in ears, rapid or irregular heart rate, nausea, vomiting, GI upset, shakiness, dizziness or allergic reaction.

In brief: Caffeine

Possible side effects: nervousness, insomnia, restlessness, irritability feeling hyper, ringing in ears, rapid or irregular heart rate, nausea, vomiting, GI upset, shakiness, dizziness or allergic reaction.
Dr. Heidi Fowler
Dr. Heidi Fowler
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Dr. Bryant Cary
Pharmacology
1 doctor agrees

In brief: several

Tremors, nervousness, fast heartbeat, excitability.
Most significant/potentially harmful are the cardiac effects.

In brief: several

Tremors, nervousness, fast heartbeat, excitability.
Most significant/potentially harmful are the cardiac effects.
Dr. Bryant Cary
Dr. Bryant Cary
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