How do I protect my gut while taking doxycycline?
How to protect your gut while taking doxycycline: 2026 ENT guide by Dr Sagar Rajkuwar (MS-ENT). Take doxycycline upright with a full glass of water; space dairy/calcium/iron by 2h; use Saccharomyces boulardii or Lactobacillus probiotics 2h apart; eat fermented foods and prebiotic fibre; avoid alcohol and processed foods. Watch for C. difficile red flags — watery/bloody diarrhoea, fever, severe cramping.


