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Dear Customer
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Dear customer :
we didnt find a medication in such as name ( metridol ) , so please rewrite the name in the right order , and in this reply we will mention the possible treatment to H.pylori 
What are the medication to take to treat H.pylori  :
- antibiotics including : ( compination of 3 antibtiotics ) ( used for 10-14 days ) 
1. clarithromycin
2. metronidazole
3. amoxicillin
- medication to relieve symptoms 
1. nadine : to relieve nausea and vomiting 
2. omeprazole : to reduce stomach acidity 
What are the symptoms of H.pylori :
1. vomiting 
2. diarrhea 
3. stomach pain 
4. dehydration
5. loss weight
6. loss appitite
7. abodminal gases 
General advices :
1. please consult your doctor before taking any medication
2. rehydrate your self always by drinking plenty of water 
3. consult your doctor after 14 days of medication course or appearance of new serious symptoms 
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Kind Regards