Nausea, vomiting, flushing, headache, or dizziness may occur. Redness/irritation/pain at the injection site may also occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. If you have severe nausea that does not go away, your doctor may prescribe an anti-nausea medicine for you.
This medication may cause darkening of the skin on certain areas of your body (such as the face, gums, and breast). People with darker skin color may be at higher risk. It is unknown if this effect is permanent. Tell your health care provider if you have any concerns about changes to your skin.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
This medication may cause a temporary increase in blood pressure and decrease in heart rate after each injection. This effect will usually go away within 12 hours after the dose. Check your blood pressure regularly and tell your doctor if the results are high.
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.