>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%) Lansoprazole Fatigue (< 3%),Headache (2.5-4.7%),Abdominal pain (1.8%),Diarrhea (8%),Nausea (3.7%) <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 Frequency Not Defined Amoxicillin Headache,Rash,Diarrhea, nausea, vomiting,Anemia,AST/ALT elevation,Acute exanthematous pustulosis,Exfoliative dermatitis Seizure,Insomnia,Hemorrhagic colitis,Toxic epidermal necrolysis,Urticaria,Stevens-Johnson...
... Show more