Medically reviewed by Drugs.com. Last updated on May 31, 2020.
Excipient information presented when available (limited, particularly for generics); consult specific product labeling. [DSC] = Discontinued product
Lac-Dose: 3000 units [DSC]
Lactaid: 3000 units
Lactaid Fast Act: 9000 units
Lactase Enzyme: 3000 units
Lactase Fast Acting: 9000 units
Surelac: 3000 units
Tablet Chewable, Oral:
Lactaid Fast Act: 9000 units [vanilla flavor]
Brand Names: U.S.
- Lac-Dose [OTC] [DSC]
- Lactaid Fast Act [OTC]
- Lactaid [OTC]
- Lactase Enzyme [OTC]
- Lactase Fast Acting [OTC]
- Surelac [OTC]
Use: Labeled Indications
Lactose intolerance: Helps digest lactose in milk for patients with lactose intolerance
Dosage varies per product; also consult specific product information. Note: If the patient continues to eat dairy foods after 30 to 45 minutes, taking an additional serving is recommended.
Lactose intolerance: Oral: 1 to 3 tablets with first bite of food containing dairy
Refer to adult dosing.
Children ≥4 years and Adolescents: Refer to adult dosing.
May be taken with meals. Some products may contain sodium.
There are no known significant interactions.
What is this drug used for?
• It is used to help break down dairy products.
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
• Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
Note: This is not a comprehensive list of all side effects. Talk to your doctor if you have questions.
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