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(Granisetron Transdermal System) Transdermal Patch


Sancuso contains granisetron, which is is a serotonin-3 (5-HT3) receptor antagonist. Chemically it is 1-methyl-N-[(1R,3r,5S)-9-methyl-9-azabicyclo[3.3.1]non-3-yl]-1H-indazole-3-carboxamide with a molecular weight of 312.4. Its empirical formula is C18H24N4O, while its chemical structure is:


SANCUSO (Granisetron) Structural Formula Illustration

Granisetron is a white to off-white solid that is insoluble in water. Sancuso is a thin, translucent, matrix-type transdermal patch that is rectangular-shaped with rounded corners, consisting of a backing, the drug matrix and a release liner.

What are the possible side effects of transdermal granisetron (Sancuso)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Remove the skin patch and call your doctor at once if you have a serious side effect such as:

  • severe redness, itching, swelling, or other irritation where the patch is worn;
  • uneven heart rate;
  • fever, pale skin, easy bruising or bleeding; or
  • feeling like you might pass out.

Less serious side effects may include:

  • diarrhea, constipation;
  • nausea,...

Read All Potential Side Effects and See Pictures of Sancuso »

What are the precautions when taking granisetron transdermal system (Sancuso)?

Before using granisetron, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: stomach/intestinal problems (such as ileus, swelling).

This medication may be affected by sunlight or may make the application site more sensitive to sunlight. While wearing the patch, keep it covered (such as under clothing) to avoid exposing it to sunlight and sunlamps. Avoid tanning booths. After removing the patch, keep the application site covered for another 10 days.

If you are going to have an MRI test,...

Read All Potential Precautions of Sancuso »

Last reviewed on RxList: 10/7/2015
This monograph has been modified to include the generic and brand name in many instances.

Sancuso - User Reviews

Sancuso User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Sancuso sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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