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Lac-Hydrin

Generic name: ammonium lactate topical

Brand names: Amlactin, AmLactin Cerapeutic, AmLactin Foot Cream Therapy, Amlactin Ultra, Kerasal AL, Lac-Hydrin 5, Lac-Hydrin, Laclotion

Used for itchy skin
Last updated November 2, 2026 0 views
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What is ammonium lactate?

Ammonium lactate is made from lactic acid and ammonium hydroxide. It works as a moisturizer.

Ammonium lactate is used to treat dry, scaly, itchy skin.

Ammonium lactate may also be used for reasons not mentioned in this medication guide.

This section was rewritten for readability and reviewed for meaning.

Warnings

Follow all instructions on your medicine label and package. Inform each of your healthcare providers about all your medical conditions, allergies, and all medicines you are using.

This section was rewritten for readability and reviewed for meaning.

Before taking this medicine

You should not use this medication if you are allergic to ammonium lactate, glycerin, mineral oil, propylene glycol, or parabens.

Ammonium lactate may cause more skin irritation in people with fair or sensitive skin.

FDA pregnancy category C. It is not known if Lac-Hydrin will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication.

It is not known if ammonium lactate topical passes into breast milk or if it could harm a nursing baby. Tell your doctor if you are breast-feeding a baby.

Do not give Lac-Hydrin to a child without medical advice.

This section was rewritten for readability and reviewed for meaning.

Ammonium lactate side effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Lac-Hydrin may cause serious side effects. Stop using Lac-Hydrin and call your doctor immediately if you have:

  • severe redness or stinging where the medicine was applied.

Common side effects of Lac-Hydrin may include:

  • mild dryness or skin irritation after use; or
  • bruising or discoloration of treated skin.

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.

This section was rewritten for readability and reviewed for meaning.

How should I apply ammonium lactate?

Ammonium lactate is usually applied twice a day. Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.

Shake the lotion form of this medication well just before using it.

Wash your hands before and after applying this medication, unless you are using it to treat a hand condition.

Do not apply ammonium lactate to your face unless your doctor has told you to.

Call your doctor if your symptoms do not improve, or if they get worse while using Lac-Hydrin.

Store at room temperature away from moisture and heat.

What happens if I miss a dose?

Apply the missed dose as soon as you remember. If it is close to the time for your next dose, wait until then to use the medicine and skip the missed dose. Do not use extra medicine to make up for the missed dose.

This section was rewritten for readability and reviewed for meaning.

What happens if I overdose?

An overdose is unlikely to happen with Lac-Hydrin.

Do not take by mouth. Lac-Hydrin is meant for use only on the skin. Do not apply Lac-Hydrin on open wounds or on sunburned, windburned, dry, chapped, or irritated skin. If this medication comes into contact with your eyes, nose, mouth, rectum, or vagina, rinse with water.

This section was rewritten for readability and reviewed for meaning.

What other drugs will affect ammonium lactate?

It is not likely that other drugs you take by mouth or inject will affect ammonium lactate when applied to the skin. However, many drugs can interact with each other. Make sure to inform all your health care providers about all the medicines you use, including prescription and over-the-counter medicines, vitamins, and herbal products.

This section was rewritten for readability and reviewed for meaning.

Related medicines

Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
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Content is provided for education and is not medical advice. See our medical disclaimer.