Before using caffeine citrate, tell your child's doctor if the child is using any of the
following drugs:
cimetidine (Tagamet);
ketoconazole (Nizoral);
phenobarbital (Luminal, Solfoton);
phenytoin (Dilantin); or
theophylline (Elixophyllin, Slo-Bid, Theo-Dur, Uniphyl, and
others).
There may be other drugs not listed that can affect caffeine citrate.
Tell your doctor about all the prescription and over-the-counter medications you are giving to
your child. This includes vitamins, minerals, herbal products, and drugs prescribed by other
doctors. Do not start using a new medication without telling your child's doctor.
Get emergency medical help if your child has any of these signs of an
allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or
throat.
Stop using caffeine citrate and call your doctor at once if your child has any of these
serious side effects:
stomach pain, tenderness, bloating,
constipation or diarrhea;
green-colored vomit;
blood in the stools;
unusual weakness;
seizure (convulsions);
twitching or uncontrolled muscle movements; or
fever, fast or slow heart rate.
Less serious side effects may include sleep problems, loss of appetite,
fussiness, or excessive crying.
This is not a complete list of side effects and others may occur. Tell your doctor about any
unusual or bothersome side effect.