Lansoprazole Drug Interactions

For those people taking lansoprazole, drug interactions may occur with medications such as erlotinib and warfarin. In some cases, these interactions can make your medications less effective; in others, they can actually increase your body's absorption of medicine. Other possible drug interactions may involve products like digoxin and ketoconazole.

An Overview of Lansoprazole Interactions

Lansoprazole (marketed under the brand name Prevacid®) can potentially interfere with a number of medicines. Some of these medications include:
 

More Details on Drug Interactions With Lansoprazole

The following sections explain in detail the potentially negative interactions that can occur when any of the drugs mentioned above are combined with lansoprazole.
 
Ampicillin
Lansoprazole may decrease the absorption of ampicillin into the body, perhaps making it less effective. Check with your healthcare provider before taking these medications together.
 
Atazanavir
Lansoprazole may decrease the absorption of atazanavir into the body, making it less effective. For this reason, you should not take lansoprazole if you are taking atazanavir.
(Lansoprazole Drug Interactions Continued: Page 2)
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;
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