Before using selegiline, 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: a certain adrenal gland tumor (pheochromocytoma), cerebrovascular disease (such as stroke), heart problems (such as heart failure, heart attack), personal or family history of high blood pressure, history of severe/frequent headaches, personal/family history of mental/mood disorders (such as bipolar disorder, depression, schizophrenia), liver problems, certain nervous system diseases (Parkinson's syndrome, seizures), overactive thyroid (hyperthyroidism), personal or family history of glaucoma (angle-closure type).

This drug may make you dizzy or drowsy. Alcohol or marijuana (cannabis) can make you more dizzy or drowsy. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Avoid alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis).

Avoid exposing your skin to direct heat sources such as heating pads, electric blankets, heat lamps, saunas, hot tubs, heated water beds, or prolonged direct sunlight while wearing your selegiline patch. Heat sources may cause more drug to be released into your body, increasing the chance of side effects.

If you are going to have an MRI test, tell testing personnel that you are using this patch. Some patches may contain metals that can cause serious burns during an MRI. Ask your doctor whether you will need to remove your patch before the test and apply a new patch afterward, and how to do so properly.

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). You may need to stop using selegiline before surgery. Follow your doctor's instructions carefully.

Older adults may be more sensitive to the side effects of this drug, especially the effects on blood pressure.

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

Since untreated mental/mood problems (such as depression) can be a serious condition, do not stop taking this medication unless directed by your doctor. If you are planning pregnancy, become pregnant, or think you may be pregnant, immediately discuss with your doctor the benefits and risks of using this medication during pregnancy.

It is unknown if this drug passes into breast milk. Because of the possible risk to the infant, breastfeeding is not recommended while using this drug and for 5 days after the last dose. Consult your doctor before breastfeeding.