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Lysine

INDICATIONS For the temporary relief of itchy, painful, red, or irritated skin, anxiousness, diarrhea, or indigestion.*.

Checked against the official label · Updated

Sold without prescription in some countries Oral Safety alerts on record

Lysine: quick answers

Used for
INDICATIONS For the temporary relief of itchy, painful, red, or irritated skin, anxiousness, diarrhea, or indigestion.*.
Usual adult dose
Adults and children 12 years and over: Take 10 drops up to 3 times per day.
Children
Children under 12 years of age.
Prescription
Sold without prescription in the United States; rules differ by country.

From the official label (Jan 2026). Your prescription and pharmacist come first.

How to use Lysine

Ce que dit la notice officielle. Si un médecin vous l'a prescrit, suivez l'ordonnance. La notice de votre boîte prime si elle est différente.

Pour qui

INDICATIONS For the temporary relief of itchy, painful, red, or irritated skin, anxiousness, diarrhea, or indigestion.*

Comment le prendre et à quelle fréquence
  • Place drops under tongue 30 minutes before/after meals
  • Adults and children 12 years and over: Take 10 drops up to 3 times per day
  • Consult a physician for use in children under 12 years of age
Warnings

In case of overdose, get medical help or contact a poison control center right away. Keep out of the reach of children. If pregnant or breastfeeding, ask a healthcare professional before use.

Pregnancy and breastfeeding

If pregnant or breastfeeding, ask a healthcare professional before use.

How to store it

Keep out of reach of children.

En cas d'oubli

Prenez-le dès que vous y pensez, sauf s'il est presque l'heure de la dose suivante. Dans ce cas, sautez la dose oubliée. Ne prenez jamais deux doses à la fois pour compenser. Vérifiez votre notice, certains médicaments font exception.

From the official U.S. FDA label for this active ingredient. Your pack may have a different strength, so always read its leaflet. If a doctor prescribed it, follow the prescription. Ask a pharmacist if you are unsure. Label dated 2026-01-08.

Registered products

United States (FDA)

ClinimixLEUCINE 365 mg/100mL, PHENYLALANINE 280 mg/100mL, LYSINE 290 mg/100mL · Injection · Baxter Healthcare Corporation
NDC 0338-1099Label
Clinimix ELEUCINE 365 mg/100mL, PHENYLALANINE 280 mg/100mL, LYSINE 290 mg/100mL · Injection · Baxter Healthcare Company
NDC 0338-7032Label
TrophamineISOLEUCINE .82 g/100mL, LEUCINE 1.4 g/100mL, LYSINE ACETATE 1.2 g/100mL · Solution · B. Braun Medical Inc.
NDC 0264-1933Label
Ibuprofen Lysine InjectionIBUPROFEN LYSINE 20 mg/2mL · Solution · Alcami Carolinas Corporation
NDC 48577-399Label
MetabatoneARALIA RACEMOSA ROOT 3 [hp_X]/mL, AVENA SATIVA FLOWERING TOP 3 [hp_X]/mL, BERBERIS VULGARIS ROOT BARK 3 [hp_X]/mL · Liquid · Energique, Inc.
NDC 44911-0665Label

Nigeria (NAFDAC)

NAFDACOraxin Syrup A4-1647NAFDACAframin Drops A4-8780NAFDACAvromult Syrup A4-8334NAFDACSherovite Syrup B4-5782NAFDACUptamin Capsules A11-1306NAFDACThiocal-12 Tonic 04-1401NAFDACMimglobin Liquid A4-8998NAFDACFinamin Syrup 200 mL A4-2789NAFDACDestyfer Syrup 200 mL A11-100662NAFDACMestymin Syrup 200 mL_ A11-100661NAFDACAvrofen Express Capsule A11-0813NAFDACOlal Multivitamin Tablet A4-2071

Other countries: check your pack's registration number and we point you to your regulator.

Safety alerts and recalls

Amino Acid Injection 50 g/1000 mL (50 mg/mL) 25 g L-Arginine HCl; 25 g L-Lysine HCl, Single Dose Container, Rx Only Nephron 503B outsourcing facility 4500 12th St. Extension West CU.S. FDA Class II
9 Oct 2019 · Nephron Pharmaceuticals Corporation dba Nephron Sterile Compounding Center · TerminatedLack of Assurance of Sterility; bags have potential to leak
L-Lysine Injection, all strengths and all presentations including a) L-Lysine_100-30 mL, b) L-Lysine_100 mg/30 mL, Rx only, Green Valley Drugs, 1850 Whitney Mesa, #180, Henderson, U.S. FDA Class II
10 Apr 2013 · FVS Holdings, Inc. dba. Green Valley Drugs · TerminatedLack of Assurance of Sterility: all sterile products compounded, repackaged, and distributed by this compounding pharmacy due to lack of sterility assurance and concerns associated with the quality control processes.

A recall usually affects certain batches only. Compare the lot number on your pack.

Check your pack of Lysine

Type the registration number on the pack, or scan it with your camera.

Ou prenez la boîte en photo
Encore 3 vérifications gratuites aujourd'hui Official sources: U.S. FDA · EMA (EU) · Health Canada · WHO alerts

Questions about Lysine

What is Lysine used for?

INDICATIONS For the temporary relief of itchy, painful, red, or irritated skin, anxiousness, diarrhea, or indigestion.* (From the official U.S. FDA label.)

How do I take Lysine?

Follow your prescription or the leaflet in your pack. The official label says: Place drops under tongue 30 minutes before/after meals. Adults and children 12 years and over: Take 10 drops up to 3 times per day. Consult a physician for use in children under 12 years of age.…

Can I take Lysine while breastfeeding?

If pregnant or breastfeeding, ask a healthcare professional before use. Ask your doctor or midwife first.

Do I need a prescription for Lysine?

In many countries Lysine is sold without a prescription in some strengths. Rules differ by country, so ask a pharmacist.

What brands contain Lysine?

Lysine is sold under names such as Freamine Iii 10, Clinimix E 4.25/10, Aminosyn Ii 8.5 % With Electrolytes, Sulfite-free, Aminosyn 8.5 % With Electrolytes, Sulfite-free, Trophamine 10 %, Trophamine 6 %, Plenamine, Prosol. Brand names differ between countries.

Can children take Lysine?

The label gives a separate dose by age: children 12 years. Check the pack or ask a pharmacist.

Can I take Lysine when pregnant or breastfeeding?

If pregnant or breastfeeding, ask a healthcare professional before use. Ask your doctor or midwife first.

How can I check that my Lysine is genuine?

Scan the registration number on your pack with PillVera (NAFDAC number in Nigeria, NDC in the United States, DIN in Canada), check the expiry date and buy only from licensed pharmacies.

Sources

This page shows what official sources say, in plain words. It is not medical advice: your prescription and your doctor or pharmacist come first. Brand names, strengths and rules differ between countries.