Isosulfan Blue Injection

Dosage form: injection, solution
Drug class:Lymphatic staining agents

Medically reviewed by Drugs.com. Last updated on Oct 1, 2021.

Indications and Usage for Isosulfan Blue Injection

Lymphatic Vessel Delineation

Isosulfan Blue Injection 1% upon subcutaneous administration, delineates lymphatic vessels draining the region of injection. It is an adjunct to lymphography in: primary and secondary lymphedema of the extremities; chyluria, chylous ascites or chylothorax; lymph node involvement by primary or secondary neoplasm; and lymph node response to therapeutic modalities.

Isosulfan Blue Injection Dosage and Administration

Subcutaneous Administration

Isosulfan Blue Injection 1% is to be administered subcutaneously, one-half (1/2) mL into three (3) interdigital spaces of each extremity per study. A maximum dose of 3 mL (30 mg) isosulfan blue is, therefore, injected.

Dosage Forms and Strengths

1% aqueous solution (isosulfan blue)

Contraindications

Isosulfan blue 1% is contraindicated in those individuals with known hypersensitivity to triphenylmethane or related compounds.

Warnings and Precautions

Hypersensitivity Reactions

Life-threatening anaphylactic reactions (respiratory distress, shock, angioedema) have occurred after isosulfan blue 1% administration. Reactions are more likely to occur in patients with a history of bronchial asthma, allergies, drug reactions or previous reactions to triphenylmethane dyes. Monitor patients closely for at least 60 minutes after administration of isosulfan blue 1%. Trained personnel should be available to administer emergency care including resuscitation.

Precipitation of Isosulfan Blue 1% by Lidocaine

The admixture of isosulfan blue 1% (with local anesthetics (i.e. lidocaine)) in the same syringe results in an immediate precipitation of 4–9% drug complex. Use a separate syringe to administer a local anesthetic.

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