It is very important that your doctor check your progress at regular visits to make sure that this medicine is working properly and to check for unwanted effects.
Some patients have a reaction to this medicine a few minutes after receiving a shot. The symptoms might include: chest pain; flushing; a fast, irregular, or pounding heartbeat; anxiety; trouble with breathing; a tight feeling in the throat; or hives. These symptoms will usually go away without treatment in a short time. Call your doctor right away if these symptoms become worse or do not go away. This reaction can happen even if you have used the medicine regularly for several months. Also, chest pain can occur by itself, but should not last more than a few minutes.
This medicine may cause a permanent depression under the skin at the injection site. Contact your doctor right away if you notice any of these side effects at the injection site: depressed or indented skin; blue-green to black skin discoloration; or pain, redness, or sloughing (peeling) of the skin.
Do not stop using this medicine without first checking with your doctor.