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If it was my father, I would take him to the closest hospital to see if they could help first. It would be unlikely that he would need dialysis if he had been well controlled for 3 years. The internal medicine team can administer IV medications which are stronger then the oral medications. If you continue his diet and medications, I suspect that he will not need any emergent or urgent dialysis. The hardest part is traveling because most people will eat out more then usually. Fast food and restaurant food contain a lot of salt additives so you have to be careful with both. In addition, you should call your nephrologist before going to the hospital to see his he/she has any recommendations first.
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