Antacids are alkaline agents (ph > 7) that help in neutralizing the stomach acid and is still one the main medicines used for the treatment of acid reflux and stomach acid disorders antacids continue to be a popular over-the-counter (otc) medicine for indigestion and heartburn even though new generation drugs like proton-pump inhibitors (ppis) and h2 blockers are very effective in reducing. Medication for acid reflux south africa. The 1 last update 2020/07/19 account; payment methods; my subscriptions; medication for acid reflux south africa 9 natural remedies (