Ammonium lactate is a combination of lactic acid and ammonium hydroxide. Ammonium lactate is a moisturizer.

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

Ammonium lactate may also be used for purposes not listed in this medication guide.

Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

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 5.

Store at room temperature away from moisture and heat.

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

Ammonium lactate may be more likely to cause skin irritation in people who have fair or sensitive skin.

FDA pregnancy category C. It is not known whether Lac-Hydrin 5 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 whether 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 5 to a child without medical advice.

Apply the missed dose as soon as you remember. If it is almost 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 the missed dose.

An overdose is unlikely to occur with the use of Lac-Hydrin 5.

Do not take by mouth. Lac-Hydrin 5 is for use only on the skin. Do not use Lac-Hydrin 5 on open wounds or on sunburned, windburned, dry, chapped, or irritated skin. If this medication gets in your eyes, nose, mouth, rectum, or vagina, rinse with water.

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 5 may cause serious side effects. Stop using Lac-Hydrin 5 and call your doctor at once if you have:

• severe redness or stinging where the medicine was applied.

Common side effects of Lac-Hydrin 5 may include:

• mild dryness or skin irritation after use; or

• bruising of 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.