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L-arginine

L-arginine Prescription
Common Name(s): Arginine, L-arginine
Learn about the potential benefits of L-arginine including contraindications, adverse reactions, toxicology, pharmacology and historical usage.
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L-arginine Drug Information:

L-arginine is classified as a nonessential amino acid, but it may be considered essential or semiessential under conditions of stress, during which L-arginine synthesis becomes Compromised. L-arginine has been evaluated for use in cardiovascular disease because of its antiatherogenic, anti-ischemic, antiplatelet, and antithrombotic properties, and for use in renal disease, Diabetes, cystic fibrosis, sickle cell disease, and erectile dysfunction. Its immunostimulatory effects and potential benefits in ophthalmic conditions and preeclampsia have also been evaluated. Learn more

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L-arginine Side Effects

Note: This document contains side effect information about arginine. Some of the dosage forms listed on this page may not apply to the brand name L-Arginine.

Applies to arginine: intravenous solution

Along with its needed effects, arginine (the active ingredient contained in L-Arginine) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur while taking arginine:

Rare

  • Redness or discoloration of the skin
  • swelling of the hands and face

Incidence not known

  • Blood in the urine
  • cough
  • difficulty swallowing
  • dizziness
  • fast heartbeat
  • hives, itching, skin rash
  • pain or redness at the injection site
  • pale skin at the injection site
  • puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  • tightness in the chest
  • unusual tiredness or weakness

Get emergency help immediately if any of the following symptoms of overdose occur while taking arginine:

Symptoms of overdose

  • Confusion
  • deep or fast breathing with dizziness
  • drowsiness
  • muscle tremors
  • numbness of the feet, hands, and around the mouth
  • rapid, deep breathing
  • restlessness
  • stomach cramps

Some side effects of arginine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common

  • Bleeding, blistering, burning, coldness, discoloration of skin, feeling of pressure, hives, infection, inflammation, itching, lumps, numbness, rash, scarring, soreness, stinging, swelling, tenderness, tingling, ulceration, or warmth at the injection site
  • headache
  • nausea
  • numbness
  • vomiting

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.

More about L-Arginine (arginine)
  • Drug Interactions
  • Support Group
  • 7 Reviews
  • Drug class: in vivo diagnostic biologicals
Consumer resources

Other brands: R-Gene 10

Professional resources
Related treatment guides
  • Dietary Supplementation
  • Diagnosis and Investigation

Editorial References and Review

Medically reviewed by USARx EDITORIAL TEAM Last updated on 1/1/2020.

Source: Drugs.com L-arginine (www.drugs.com/npp/l-arginine.html).