Gantrisin

The usual dose for children 2 months of age or older is 150 milligrams per 2.2 pounds of body weight divided into 4 to 6 doses taken over 24 hours.

The usual starting dose is one-half of the regular dose, or 75 milligrams per 2.2 pounds of body weight divided into 4 to 6 doses taken over 24 hours. Doses should not exceed 6 grams over 24 hours.

Gantrisin pediatric suspension supplies a half-gram (500 milligrams) in each teaspoonful.

Overdosage

Any medication taken in excess can have serious consequences. If you suspect an overdose, seek emergency medical treatment immediately.

• Symptoms of an overdose of Gantrisin include:
  Blood or sediment in the urine, blue tinge to the skin, colic, dizziness, drowsiness, fever, headache, lack or loss of appetite, nausea, unconsciousness, vomiting, yellowing of skin and whites of eyes