Caffeine (Systemic)
Side Effects of This MedicineAlong with its needed effects, a medicine may
cause some unwanted effects. Although not all of these side effects may occur,
they may be more likely to occur if caffeine is taken in large doses or more
often than recommended. If they do occur, they may need medical attention.
Check with your doctor as soon as possible if any of the following side
effects occur:
More common
Diarrhea; dizziness; fast heartbeat; hyperglycemia, including blurred
vision, drowsiness, dry mouth, flushed dry skin, fruit-like breath odor, increased
urination, ketones in urine, loss of appetite, nausea, stomachache, tiredness,
troubled breathing, unusual thirst, or vomiting (in newborn babies); hypoglycemia, including anxious feeling, blurred vision, cold
sweats, confusion, cool pale skin, drowsiness, excessive hunger, fast heartbeat,
nausea, nervousness, restless sleep, shakiness, or unusual tiredness or weakness
(in newborn babies); irritability, nervousness, or
severe jitters (in newborn babies); nausea (severe); tremors; trouble in sleeping; vomiting
Symptoms of overdose
Abdominal or stomach pain; agitation,
anxiety, excitement, or restlessness; confusion or
delirium; convulsions (seizures) - in acute overdose; dehydration; faster breathing
rate; fast or irregular heartbeat; fever; frequent urination; headache; increased sensitivity to touch or pain; irritability; muscle trembling
or twitching; nausea and vomiting, sometimes with
blood; overextending the body with head and heels
bent backward and body bowed forward; painful, swollen
abdomen or vomiting (in newborn babies); ringing
or other sounds in ears; seeing flashes of �zig-zag�
lights; trouble in sleeping; whole-body tremors (in newborn babies)
Other side effects may occur that usually do
not need medical attention. These side effects may go away during treatment
as your body adjusts to the medicine. However, check with your doctor if any
of the following side effects continue or are bothersome:
After you stop using this medicine, your body may need time to adjust.
The length of time this takes depends on the amount of medicine you were using
and how long you used it. During this time, check with your doctor if you
notice any of the following side effects:
Other
side effects not listed above may also occur in some patients. If you notice
any other effects, check with your doctor.
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