Precautions

Your doctor will check your progress closely while you are receiving this medicine. This will allow your doctor to see if the medicine is working properly. Blood tests will also be needed to check for unwanted effects.

This medicine may cause serious allergic reactions, including anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention. Tell your doctor right away if you have a rash, itching, chest tightness, trouble breathing, trouble swallowing, or any swelling of your hands, face, or mouth while you are using this medicine.

This medicine may cause high or low blood pressure. Tell your doctor right away if you have fast, slow, pounding, or uneven heartbeats while receiving this medicine.

This medicine may cause skin redness and make your skin more sensitive to sunlight. This effect may last for up to 2 weeks after you have received this medicine. Avoid being in the sun while your skin is red. Use a sunscreen when you are outdoors. Avoid sunlamps and tanning beds.

This medicine may cause an acne-like rash that appears 7 to 28 days after treatment. This rash will disappear within a few weeks.