Patient Ratings for Lysine

How was your experience with Lysine?

First, a little about yourself

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What tips would you provide a friend before taking Lysine?

What are you taking Lysine for?

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  • Other
  • Nutritional And Metabolic Diseases

How long have you been taking it?

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  • Less than a week
  • A couple weeks
  • A month or so
  • A few months
  • A year or so
  • Two years or more

How well did Lysine work for you?

Did you experience many side effects while taking this drug?

How likely would you be to recommend Lysine to a friend?

Uses of Lysine


Lysine is used in the prevention of:

  • Nutritional and Metabolic Diseases

This medication may be prescribed for other uses. Ask your doctor or pharmacist for more information.

Lysine Brand Names

Lysine may be found in some form under the following brand names:

Lysine Drug Class

Lysine is part of the drug class:

Lysine Interactions

This is not a complete list of Lysinedrug interactions. Ask your doctor or pharmacist for more information.

Lysine and Pregnancy

Tell your doctor if you are pregnant or plan to become pregnant.

The FDA categorizes medications based on safety for use during pregnancy. Five categories - A, B, C, D, and X, are used to classify the possible risks to an unborn baby when a medication is taken during pregnancy.

Lysine falls into category C:

In animal studies, pregnant animals were given this medication and had some babies born with problems. No well-controlled studies have been done in humans, though. Therefore, this medication may be used if the potential benefits to the mother outweigh the potential risks to the unborn child.


There are no well-controlled studies that have been done in pregnant women. Lysine should be used during pregnancy only if the possible benefit outweighs the possible risk to the unborn baby.


No studies have been done in animals, and no well-controlled studies have been done in pregnant women. Lysine should be given to a pregnant woman only if clearly needed.

Lysine Dosage

Take lysine exactly as prescribed by your doctor. Follow the directions on your prescription label carefully.

The Lysine dose your doctor recommends will be based on the following (use any or all that apply):

  • the condition being treated
  • other medical conditions you have
  • other medications you are taking
  • how you respond to this medication
  • your weight
  • your height
  • your age
  • your gender

Lysine is available in the following doses:

  • Lysine 1000 Mg Oral Tablet
  • Lysine 500 Mg Oral Tablet

Forms of Medication

Lysine is available in the following forms:

  • Injectable Solution
  • Oral Capsule
  • Oral Solution
  • Oral Tablet