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Signs and Symptoms of Overdosage: Paracetamol: Overdosage of Paracetamol usually involves 4 phases with the following signs and symptoms: I. Eating disorder, nausea, vomiting, malaise, and excessive sweating.
II. Right upper abdominal pain or tenderness, liver enlargement which may be characterized by abdominal discomfort of "feeling full", elevated bilirubin and liver enzyme concentrations, prolongation of prothrombin time, and occasionally decreased urine output.
III. Eating disorder, nausea, vomiting, and malaise recur and signs of liver (e.g., jaundice) and possibly kidney failure and cardiomyopathy (disorder of the heart muscle) may develop.
IV. Recovery or progression to fatal complete liver failure.
Phenylpropanolamine HCl: Fast heart rate (tachycardia); Irregular heart beat (arrhythmia); High blood pressure; Excitation; Seizures; Enlargement of the pupils; Cases of heart attack, stroke, intracranial bleeding/cerebral hemorrhage (bleeding from ruptured blood vessel in the brain), and death have also been reported.
Chlorphenamine Maleate: Extreme sleepiness or prolonged drowsiness; Weakness; Hallucination; Convulsion; Agitation; Irritability; Tachycardia; Coma.
If the patient has taken more than the recommended dosage, consult a doctor or contact a poison control center right away, even if the patient seems well, because of the risk of delayed, serious liver damage. Quick medical attention is important for adults as well as for children even if they do not notice any signs or symptoms.
