Pantoprazole: The adverse reactions associated with pantoprazole include headache, diarrhea, skin rash, pruritus and dizziness. Domperidone: Serum prolactin level may rise resulting in galactorrhea in females and less frequently gynecomastia in males due to domperidone. Dry mouth, thirst, headache, nervousness, drowsiness, diarrhea, skin rashes and itching may follow treatment with domperidone.