Lactaid is used to prevent lactose intolerance. Take before eating or drinking dairy.

Lactaid Overview


Lactaid is an over the counter dietary supplement used to prevent symptoms of lactose intolerance. Lactaid contains natural lactase enzymes that work with your body to breakdown lactose found in dairy foods.

This medication comes in tablets and is taken prior to eating a dairy containing meal.

Common side effects of Lactaid include nausea and vomiting.


How was your experience with Lactaid?

First, a little about yourself

Tell us about yourself in a few words?

What tips would you provide a friend before taking Lactaid?

What are you taking Lactaid for?

Choose one
  • Other

How long have you been taking it?

Choose one
  • Less than a week
  • A couple weeks
  • A month or so
  • A few months
  • A year or so
  • Two years or more

How well did Lactaid work for you?

Did you experience many side effects while taking this drug?

How likely would you be to recommend Lactaid to a friend?


For more information on this medication choose from the list of selections below.

Lactaid Drug Class

Lactaid is part of the drug class:


All RxWiki content including health news, medication pages, and condition pages published prior to February 2023, was written and maintained by on-staff pharmacists. Please be advised that this content is no longer actively maintained and may now contain outdated information. If you have any questions regarding previously published content, please contact