Generic Name: lactase (LAK-tase)
Brand Name: Examples include Lactaid and SureLac

Lactaid is used for:

Helping you consume dairy foods without gas, cramps, bloating, or diarrhea.

Lactaid is an enzyme. It works by helping the digestion of milk sugar.

Do NOT use Lactaid if:

  • you are allergic to any ingredient in Lactaid

Contact your doctor or health care provider right away if any of these apply to you.

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Before using Lactaid:

Some medical conditions may interact with Lactaid. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

  • if you are pregnant, planning to become pregnant, or are breast-feeding
  • if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
  • if you have allergies to medicines, foods, or other substances

Some MEDICINES MAY INTERACT with Lactaid. However, no specific interactions with Lactaid are known at this time.

This may not be a complete list of all interactions that may occur. Ask your health care provider if Lactaid may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Lactaid:

Use Lactaid as directed by your doctor. Check the label on the medicine for exact dosing instructions.

  • Swallow Lactaid with the first bite or drink of dairy product.
  • If you continue to consume foods containing dairy after 20 to 45 minutes, take another tablet.
  • If you miss a dose of Lactaid, take it as soon as possible.

Ask your health care provider any questions you may have about how to use Lactaid.

Important safety information:

  • Lactaid is not recommended for use in CHILDREN younger than 4 years of age. Safety and effectiveness in this age group have not been confirmed.
  • PREGNANCY and BREAST-FEEDING: It is unknown if Lactaid may cause harm to the fetus. If you become pregnant while taking Lactaid, discuss with your doctor the benefits and risks of using Lactaid during pregnancy. It is unknown if Lactaid is excreted in breast milk. If you are or will be breast-feeding while you are taking Lactaid, check with your doctor or pharmacist to discuss the risks to your baby.

Possible side effects of Lactaid:

All medicines may cause side effects, but many people have no, or minor, side effects. When used in small doses, no COMMON side effects have been reported with Lactaid. Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue).

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately.

Proper storage of Lactaid:

Store Lactaid at room temperature, between 68 and 77 degrees F (20 and 25 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Brief storage at temperatures between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Keep Lactaid out of the reach of children and away from pets.

General information:

  • If you have any questions about Lactaid, please talk with your doctor, pharmacist, or other health care provider.
  • Lactaid is to be used only by the patient for whom it is prescribed. Do not share it with other people.
  • If your symptoms do not improve or if they become worse, check with your doctor.
  • Check with your pharmacist about how to dispose of unused medicine.

This information should not be used to decide whether or not to take Lactaid or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about Lactaid. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to Lactaid. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using Lactaid.

Issue Date: September 3, 2014
Database Edition 14.3.1.003
Copyright © 2014 Wolters Kluwer Health, Inc.

Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.

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