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Aminosyn II Injection

Last reviewed on RxList: 11/22/2016
Aminosyn II Injection Side Effects Center

Last reviewed on RxList 4/12/2016

Aminosyn II (amino acid) Injection is an amino acid solution used as a source of nitrogen in the nutritional support of patients with adequate stores of body fat, in whom, for short periods of time, oral nutrition cannot be tolerated, is undesirable, or inadequate. Common side effects of Aminosyn II include:

  • irritation or infection at the injection site
  • generalized flushing
  • fever, and
  • nausea

The total daily dose of Aminosyn II depends on the daily protein requirements and on the patient's metabolic and clinical response. Aminosyn II may interact with tetracycline. Tell your doctor all medications and supplements you use. It is unknown if Aminosyn II can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Tell your doctor if you are pregnant before using this drug. Consult your doctor before breastfeeding.

Our Aminosyn II (amino acid) Injection Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.


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Aminosyn II Injection Professional Information


Peripheral Infusions

A 3.5% to 5% solution of amino acids (without additives) is slightly hypertonic. Use of large peripheral veins, inline filters, and slowing the rate of infusion may reduce the incidence of local venous irritation. Electrolyte additives should be spread throughout the day. Irritating additive medications may need to be infused at another venous site.

Generalized flushing, fever and nausea also have been reported during peripheral infusions of amino acid solutions.

Read the entire FDA prescribing information for Aminosyn II Injection (Amino Acid Injection)


According to the USDA, there is no difference between a “portion” and a “serving.” See Answer
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© Aminosyn II Injection Patient Information is supplied by Cerner Multum, Inc. and Aminosyn II Injection Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.

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