>10% Clarithromycin GI effects, general (13%) 1-10% Clarithromycin Headache (6%),Rash (children 3%),Abdominal pain (adults 2%, children 3%),Abnormal taste (adults 3-7%),Diarrhea (3-6%),Dyspepsia (2%),Heartburn (adults 2%),GI intolerance (oral-dose related),Nausea (adults 3-6%),Vomiting (adults 1%; children 6%),Decreased WBC, elevated BUN (4%), elevated PT (1%) Rabeprazole Headache (2-10%),Constipation (2%),Diarrhea (2-5%),Flatulence (3%),Pain (3%),Pharyngitis (3%),Abdominal pain (4%) <1% Clarithromycin QT prolongation,Anxiety, dizziness, hallucinations, manic behavior, neuromuscular blockade, psychosis, seizures,Anorexia, glossitis, pancreatitis,AST increased, bilirubin increased, elevated LFTs, hepatic dysfunction, hepatitis, increased alkaline phosphate, jaundice,Hypoglycemia, leukopenia, neutropenia, thrombocytopenia,Increased serum creatinine,Dyspnea,Anaphylaxis, C Diff colitis, Stevens-Johnson syndrome Rabeprazole Agitation,Agranulocytosis,Alopecia,Anemia,Angioedema,Chest pain,Delirium,Erythema,Hypokalemia,Hypomagnesemia,Hyponatremia,Jaundice,Leukocytosis,Leukopenia,Migraine,Osteoporosis related fracture,Rhabdomyolysis,Stevens-Johnson syndrome,Sudden death,Toxic epidermal necrolysis,Abnormal taste Frequency Not Defined Amoxicillin...