lactase (generic name)

Lactose is in dairy foods like ice cream, cheese, and milk
(LAK teys)
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What is this medicine?

LACTASE (LAK teys) is an enzyme that aids in the digestion of lactose. Lactose is in dairy foods like ice cream, cheese, and milk. This supplement is used to break down lactose and prevent bloating, diarrhea, and gas of lactose intolerance. The FDA has not approved this supplement for any medical use.

This supplement may be used for other purposes; ask your health care provider or pharmacist if you have questions.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
  • an unusual or allergic reaction to lactase, other medicines, foods, dyes, or preservatives
  • pregnant or trying to become pregnant
  • breast-feeding

How should I use this medicine?

Take this medicine by mouth with a glass of water. Follow the directions on the package labeling, or take as directed by your health care professional. Take with the first bite of a diary food. Do not take this medicine more often than directed.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 4 years of age for selected conditions, precautions do apply.

What if I miss a dose?

If you miss a dose, take it as soon as you can during the meal. This medicine will not treat symptoms once you have them.

What may interact with this medicine?

Interactions are not expected.

What should I watch for while using this medicine?

See your doctor if your symptoms do not get better or if they get worse.

Herbal or dietary supplements are not regulated like medicines. Rigid quality control standards are not required for dietary supplements. The purity and strength of these products can vary. The safety and effect of this dietary supplement for a certain disease or illness is not well known. This product is not intended to diagnose, treat, cure or prevent any disease.

The Food and Drug Administration suggests the following to help consumers protect themselves:
  • Always read product labels and follow directions.
  • Natural does not mean a product is safe for humans to take.
  • Look for products that include USP after the ingredient name. This means that the manufacturer followed the standards of the US Pharmacopoeia.
  • Supplements made or sold by a nationally known food or drug company are more likely to be made under tight controls. You can write to the company for more information about how the product was made.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:
  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
  • breathing problems

Where should I keep my medicine?

Keep out of the reach of children.

Store at room temperature below 25 degrees C (77 degrees F). Do not refrigerate. Keep away from heat. Throw away any unused medicine after the expiration date.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Last Updated: June 23, 2009
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