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More information: STITCH, PubChem and possibly Wikipedia

ATC Code: L01XE07

Side effects

Options: Show MedDRA Preferred Terms

Side effect Data for drug Placebo Labels
1 2 3
Arthralgia very common x
Dehydration very common x x
Dermatitis very common x
Fatigue very common, 0% - 21% x x x
Neuropathy peripheral very common x
Dermatitis acneiform very common x x
Hot flush very common x
Abdominal pain very common, 12% x x
Mucosal inflammation very common, 0% - 12% x x x
Neutropenia 5% - 47% x
Constipation common, very common x x
Diarrhoea very common, 0% - 40% x x x
Hyperbilirubinaemia common, very common x x
Anorexia very common, 0% - 18% x x x
Asthenia very common, 0% - 11% x x x
Stomatitis very common, 0% - 11% x x x
Nausea very common, 0% - 43% x x x
Leukopenia 1% - 33% x
Alopecia very common, 0% - 7% x x x
Rash very common, 0% - 24% x x x
Pain in extremity very common, 0% - 7% x x x
Back pain very common, 0% - 6% x x x
Insomnia very common, 0% - 6% x x x
Dyspnoea very common, 0% - 8% x x x
Headache common — 0% - 13% x x x
Paronychia postmarketing, common x x x
Peripheral sensory neuropathy 5% x
Dry skin very common, 0% - 6% x x x
Myalgia very common, 0% - 10% x
Hepatotoxicity common x x x
Left ventricular ejection fraction decreased common x x
Cough very common, 0% - 9% x x
Pruritus very common, 0% - 9% x x x
Anaemia 0% - 10% x
Dyspepsia very common, 0% - 3% x x x
Vomiting very common, 0% - 21% x x x
Pneumonia uncommon x x x
Interstitial lung disease uncommon x x x
Epistaxis very common, 0% - 2% x x x
Alanine aminotransferase increased 0% - 8% x
Haemoglobin decreased 0% - 2% x
Nail disorder postmarketing — 0% - 2% x x x
Anaphylactic shock postmarketing, rare x x x
Hypersensitivity postmarketing, rare x x x
Immune system disorder postmarketing x x x
Unspecified disorder of skin and subcutaneous tissue postmarketing x x x
Mental disorder x x x
Neoplasm malignant x x x
Infection x
Connective tissue disorder x x x
Gastrointestinal disorder x x x
Cardiac disorder x x
Cardiac failure x x
Blood disorder x
Renal failure acute x
Mediastinal disorder x x x
Nervous system disorder x x x
Palpitations x x
Angiopathy x
Malnutrition x x
Decreased appetite 0% - 19% x
Hepatobiliary disease x x
Blood bilirubin increased x
Infestation NOS x
Blood and lymphatic system disorders x
Cardiotoxicity x x
Metastatic disease x


Information about indications was extracted from the indications and usage sections of the labels.


Side effects:39
Source:FDA Structured Product Label

lapatinib / lapatinib

Side effects:51

Color scheme:


    frequent (1% to 100%)
    infrequent (0.1% to 1%)
    rare (<0.1%)
    no frequency information
    not found on label