For chronic acidity, medications like Proton Pump Inhibitors (PPIs) such as omeprazole or pantoprazole are highly effective in reducing stomach acid. Alternatively, H2 blockers like famotidine can provide longer-lasting relief, while liquid antacids offer quick, temporary comfort. Since your acidity is chronic, it is important to consult a healthcare professional. They can help identify the underlying cause, prescribe the correct dosage, and ensure these medications are safe for your long-term use. Simple lifestyle adjustments, like avoiding trigger foods and not lying down immediately after meals, will also greatly help. Please see a doctor for a personalized treatment plan.