Low Acid Diet

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Hey I recently developed LPR, it’s basically a chronic cough, especially when I eat. I have made some serious changes to my intake. But I’m struggling to eat enough. I’ve had to cut out a lot of foods I.e. high fat, dairy, non lean meats, processed foods, garlic, onion, acidic fruits, chocolate, coffee, carbonated beverages ect. It feels very restrictive, but I have no choice. Anyone else have succes with a low acid diet?