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Methylene blue

More information: STITCH, PubChem and possibly Wikipedia

ATC Codes: V03AB17, V04CG05

Side effects

Options: Hide MedDRA Preferred Terms

MedDRA Preferred Term Side effect Data for drug Placebo Labels
1 2 3 4
Abdominal pain Abdominal pain x x
Gastrointestinal pain Abdominal pain x x
Anaphylactic shock Anaphylactic shock x
Haemolytic anaemia Haemolytic anaemia x
Anxiety Anxiety x
Aphasia Aphasia x
Arrhythmia Arrhythmia x x
Mental disorder Mental disorder x
Chest pain Chest pain x x
Precordial pain x x
Confusional state Confusional state x x x x
Feeling abnormal Confusional state x x x x
Diarrhoea Diarrhoea x x
Dizziness Dizziness x x x x
Dyspnoea Dyspnoea x
Dysuria Dysuria x
Effusion Effusion x
Dermatitis Rash x x
Rash Rash x x
Extravasation Extravasation x
Eye disorder Eye disorder x
Fat necrosis Fat necrosis x
Body temperature increased Body temperature increased x
Gastrointestinal disorder Gastrointestinal disorder x
Digestion impaired x
Headache Headache x x x x
Cardiac disorder Cardiac disorder x
Haemolysis Haemolysis x x
Hyperbilirubinaemia Hyperbilirubinaemia x
Hyperhidrosis Hyperhidrosis x
Sweating x
Sweating increased x x x
Hypertension Hypertension x x x
Hypotension Hypotension x x
Immune system disorder Immune system disorder x
Mediastinal disorder Mediastinal disorder x
Mydriasis Mydriasis x
Nausea Nausea x x x x
Necrosis Necrosis x x
Nervous system disorder Nervous system disorder x
Tachycardia Tachycardia x
Thrombophlebitis Thrombophlebitis x
Tremor Tremor x
Urethral disorder Urinary tract disorder x
Urinary tract disorder Urinary tract disorder x
Urticaria Urticaria x
Angiopathy Angiopathy x
Vomiting Vomiting x x x
Agitation Agitation x
Injection site reaction Injection site reaction x
Skin discolouration Skin discolouration x
Haemoglobin decreased Haemoglobin decreased x
Skin disorder Unspecified disorder of skin and subcutaneous tissue x
Tachypnoea Tachypnoea x
Dyspepsia Digestion impaired x
Pain Pain burning x
Mucosal ulceration Mucosal ulceration x
Mucosal inflammation Mucosal ulceration x
Hypoxia Hypoxia x
Macule Macule x
Serotonin syndrome Serotonin syndrome x x
Glucose-6-phosphate dehydrogenase deficiency Glucose-6-phosphate dehydrogenase deficiency x


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

Methylene Blue

Side effects:6
Source:FDA Structured Product Label

Color scheme:


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