6777
Pheripheral edema was observed in five female patients after taking proton pump inhibitors omeprazole , lansoprazole , or pantoprazole for 7 - 15 days for peptic acid diseases in recommended standard doses .
 Pheripheral edema, lansoprazole; Pheripheral edema, omeprazole; Pheripheral edema, pantoprazole
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 Pheripheral edema, lansoprazole; Pheripheral edema, omeprazole; Pheripheral edema, pantoprazole