It is very important that your doctor check the progress of you or your child at regular visits to make sure that this medicine is working properly. Blood tests may be needed to check for unwanted effects.
This medicine may cause serious types of allergic reactions, including anaphylaxis and Kounis syndrome, which can be life-threatening and require immediate medical attention. Call your doctor right away if you or your child have a rash, itching, swelling of the face, tongue, and throat, trouble breathing, chest pain or discomfort, pain or discomfort in arms, jaw, back or neck, nausea, sweating, or vomiting after you receive the medicine.
This medicine may cause hypotension (low blood pressure). Check with your doctor right away if you have blurred vision, confusion, dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position, sweating, or unusual tiredness or weakness.
This medicine contains benzyl alcohol which may cause serious reactions (eg, gasping syndrome) for a newborn or premature infant. Discuss this with your doctor if you are concerned.