Precautions
Drug information provided by: Merative, Micromedex®
It is very important that your doctor check your progress at regular visits for any problems that may be caused by this medicine. Blood and urine tests may be needed to check for unwanted effects.
Patients with idiopathic thrombocytopenic purpura (ITP) should not be treated with Gammaked™ or Gamunex®-C that is injected under the skin (subcutaneously). Doing so may increase the risk of having a hematoma (buildup of blood under the skin).
This medicine may cause fever, chills, flushing, headaches, nausea, and vomiting, especially if you are receiving it for the first time or if you have not received it for more than 8 weeks. Check with your doctor or nurse right away if you have any of these symptoms.
This medicine is made from donated human blood. Some human blood products have transmitted certain viruses to people who have received them, although the risk is low. Human donors and donated blood are both tested for viruses to keep the transmission risk low. Talk with your doctor if you have concerns about this risk.
This medicine may cause a serious type of allergic reaction, including anaphylaxis, which can be life-threatening and requires immediate medical attention. Tell your doctor right away if you have a rash, itching, hives, chest pain, dizziness or lightheadedness, trouble breathing, trouble swallowing, or any swelling of your hands, face, or mouth after receiving this medicine. Certain people, including those with IgA (an immunoglobulin) deficiency and antibodies against IgA and a history of hypersensitivity to human immunoglobulin products should not use this medicine.
Check with your doctor right away if you start to have a stiff neck, drowsiness, fever, severe headache, nausea, vomiting, painful eye movements, or eye sensitivity to light. These could be symptoms of a serious condition called aseptic meningitis syndrome (AMS).
This medicine may cause bleeding (hemolysis) or hemolytic anemia. Tell your doctor right away if you have stomach or back pain, dark urine, decreased urination, difficulty with breathing, an increased heart rate, tiredness, or yellow eyes or skin after you receive the medicine.
Check with your doctor right away if you start having chest pain, difficult, fast, or noisy breathing, blue lips and fingernails, fever, pale skin, increased sweating, coughing that sometimes produces a pink frothy sputum, trouble breathing, or swelling of the legs and ankles after receiving this medicine. These may be symptoms of a serious lung problem, including transfusion-related acute lung injury (TRALI).
This medicine may cause blood clots. This is more likely to occur if you have a history of blood clotting problems, heart disease, or atherosclerosis (hardening of the arteries), or if you are obese, take medicines containing estrogen, or must stay in bed for a long time because of surgery or illness. Check with your doctor right away if you suddenly have chest pain, severe headache, leg pain, or problems with vision, speech, or walking.
Check with your doctor right away if you start having red or dark brown urine, lower back or side pain, sudden weight gain, swollen face, arms, or legs, decreased urine output, or any problems with urination after you receive this medicine. These may be symptoms of a serious kidney problem.
Your blood pressure might get too high while you are using this medicine. This may cause headaches, dizziness, or blurred vision. You might need to measure your blood pressure at home. If you think your blood pressure is too high, call your doctor right away.
Make sure any doctor or dentist who treats you knows that you are using this medicine. This medicine may affect the results of certain medical tests.
Portions of this document last updated: Feb. 01, 2024
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