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Respected Contributor
Posts: 2,745
Registered: ‎03-10-2010

Could any of you nurses (or anyone else) out there tell me why I'm supposed to drink a full glass of water when I take the ampicillin? And at least 1 hour before eating and 2 hours after eating...

Thanks, KatieB

Honored Contributor
Posts: 9,136
Registered: ‎06-25-2012

Perhaps to help prevent a yeast infection?

"Pure Michigan"
Honored Contributor
Posts: 16,832
Registered: ‎09-01-2010

It is to help the medication dissolve and be absorbed into the system, without interference from foods already in the stomach. Drinks such as orange juice and soda, affect the medication before it ever reaches the stomach. If this medication isn't taken exactly as directed, it is not as effective.

Respected Contributor
Posts: 2,745
Registered: ‎03-10-2010

Thanks RedTop!! I have a UTI and have to take it 4 times per day...

KatieB