Clarithromycin resistance occurs where ribosomal mutations in the bacteria prevent the antibiotic from binding Hoogerwerf and Pasricha 2001 The recommended dosage is 20 mg of omeprazole every 12 hrs, 1g of amoxicillin every 12 hrs, and 500 mg of clarithromycin every 12 hrs, for 7 days or, alternatively, 10 to 14 days Atherton and Blaser 2001, Chambers 2001 precio de priligy en mexico In a previous study of dogs with right sided manifestations of CHF secondary to dilated cardiomyopathy or DMVD, 40 60 67 of dogs with R CHF had ascites, 26 60 43 had pleural effusion, 13 60 22 had PCEFF, and similarly no dogs had pleural effusion only 38