Medically reviewed by Drugs.com. Last updated on Aug 18, 2019.
Excipient information presented when available (limited, particularly for generics); consult specific product labeling.
Lac-Dose: 3000 units
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]
- 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.
• Discuss specific use of drug and side effects with patient as it relates to treatment. (HCAHPS: During this hospital stay, were you given any medicine that you had not taken before? Before giving you any new medicine, how often did hospital staff tell you what the medicine was for? How often did hospital staff describe possible side effects in a way you could understand?)
• Educate patient about signs of a significant reaction (eg, wheezing; chest tightness; fever; itching; bad cough; blue skin color; seizures; or swelling of face, lips, tongue, or throat). Note: This is not a comprehensive list of all side effects. Patient should consult prescriber for additional questions.
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