Phentolamine Mesylate Solution for injection

What is this medicine?

Phentolamine is used to treat numbness in the lip or tongue after dental work.

How should I use this medicine?

This medicine is for injection into the tissues of the mouth. It is given by a health care professional in a hospital or clinic setting.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 3 years of age for selected conditions, precautions do apply.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

• allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue

Side effects that usually do not require medical attention (Report these to your doctor or health care professional if they continue or are bothersome.):

• diarrhea

• fast, irregular heartbeat

• headache

• jaw pain

• oral pain

• pain, redness, or irritation at site where injected

• pain, tingling, numbness in the hands or feet

• unusually slow heartbeat

• vomiting

What may interact with this medicine?

Interactions are not expected.

What if I miss a dose?

This does not apply.

Where should I keep my medicine?

This drug is given in a hospital or clinic and will not be stored at home.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

• heart disease

• an unusual or allergic reaction to phentolamine, other medicines, foods, dyes, or preservatives

• pregnant or trying to get pregnant

• breast-feeding

What should I watch for while using this medicine?

Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse.