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Aminosyn Sulfite Free

Last reviewed on RxList: 10/15/2019
Aminosyn Sulfite Free Side Effects Center

Medical Editor: John P. Cunha, DO, FACOEP

Last reviewed on RxList 10/15/2019

Aminosyn, Sulfite-Free (crystalline amino acid solution) is a combination of amino acids 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, Sulfite-Free include:

  • injection site reactions (skin redness, inflammation, warm sensation, blood clots, and swelling)
  • flushing
  • fever, and
  • nausea

The total daily dose of Aminosyn, Sulfite-Free solution depends on the daily protein requirements and on the patient's metabolic and clinical response. Aminosyn, Sulfite-Free may interact with tetracycline. Tell your doctor all medications and supplements you use. During pregnancy, Aminosyn, Sulfite-Free should be used only if prescribed. Consult your doctor before breastfeeding.

Our Aminosyn, Sulfite-Free, (crystalline amino acid solution) 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.


According to the USDA, there is no difference between a “portion” and a “serving.” See Answer
Aminosyn Sulfite Free Professional Information


Peripheral Infusions

A 4.25 or 5% solution of amino acids (without additives) is slightly hypertonic. A 3.5% concentration of amino acids (without additives) is slightly hypertonic. Local reactions consisting of a warm sensation, erythema, phlebitis and thrombosis at the infusion site have occurred with peripheral intravenous infusion of amino acids particularly if other substances, such as antibiotics, are also administered through the same site. In such cases the infusion site should be changed promptly to another vein. 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 injected 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 Sulfite Free (Crystalline Amino Acid Solution)


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© Aminosyn Sulfite Free Patient Information is supplied by Cerner Multum, Inc. and Aminosyn Sulfite Free Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.

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