-Certain medications for irregular heartbeat
Do not use any other skin products on the affected area without asking your care team.

They need to know if you have any of these conditions:
-G6PD deficiency
-Have higher than normal levels of methemoglobin
-Heart disease
-Infections, such as tuberculosis (TB) or other bacterial, fungal, or viral infections
-Large areas of burned or damaged skin
-Liver disease
-Lung disease
-An unusual or allergic reaction to lidocaine, hydrocortisone, other medications, foods, dyes, or preservatives
-Pregnant or trying to get pregnant
-Breast-feeding

Visit your care team for regular checks on your progress. Tell your care team if your symptoms do not start to get better or if they get worse.

Be careful to avoid injury while the area is numb, and you are not aware of pain.

Keep out of the reach of children and pets.

Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Do not freeze. Get rid of any unused medication after the expiration date.

To get rid of medications that are no longer needed or have expired:
-Take the medication to a medication take-back program. Check with your pharmacy or law enforcement to find a location.
-If you cannot return the medication, check the label or package insert to see if the medication should be thrown out in the garbage or flushed down the toilet. If you are not sure, ask your care team. If it is safe to put it in the trash, empty the medication out of the container. Mix the medication with cat litter, dirt, coffee grounds, or other unwanted substance. Seal the mixture in a bag or container. Put it in the trash.