diff --git a/app/Views/Setting/Template/document_print_settings.php b/app/Views/Setting/Template/document_print_settings.php
index 78c7ed1..ea799df 100644
--- a/app/Views/Setting/Template/document_print_settings.php
+++ b/app/Views/Setting/Template/document_print_settings.php
@@ -106,17 +106,110 @@ $columnsReady = (bool) ($columns_ready ?? false);
                 <div class="alert alert-secondary py-2 small mb-2">
                     If Header HTML is blank, default hospital header logic is used based on print mode.
                 </div>
+
+                <div class="card border-info mb-3">
+                    <div class="card-header bg-info bg-opacity-10 py-1 d-flex justify-content-between align-items-center">
+                        <span class="fw-semibold small text-info">Available Placeholders — click any to insert into focused textarea</span>
+                        <span class="text-muted small" id="doc_tpl_focus_label">Focus a textarea below first</span>
+                    </div>
+                    <div class="card-body p-2">
+                        <div class="mb-1"><span class="badge bg-secondary me-1">Hospital</span>
+                            <?php foreach ([
+                                '{{H_Name}}'           => 'Hospital Name',
+                                '{{H_address_1}}'      => 'Address Line 1',
+                                '{{H_address_2}}'      => 'Address Line 2',
+                                '{{H_phone_No}}'       => 'Phone No.',
+                                '{{H_Email}}'          => 'Email',
+                                '{{H_logo}}'           => 'Logo filename',
+                                '{{H_logo_abs}}'       => 'Logo absolute path',
+                                '{{hospital_logo_html}}' => 'Logo <img> tag',
+                            ] as $ph => $desc): ?>
+                                <button type="button" class="btn btn-outline-info btn-sm py-0 px-1 me-1 mb-1 doc-ph-btn" data-ph="<?= esc($ph) ?>" title="<?= esc($desc) ?>"><code><?= esc($ph) ?></code></button>
+                            <?php endforeach; ?>
+                        </div>
+                        <div class="mb-1"><span class="badge bg-secondary me-1">Patient / IPD</span>
+                            <?php foreach ([
+                                '{{PATIENT_NAME}}' => 'Full patient name',
+                                '{{UHID}}'         => 'Patient UHID',
+                                '{{IPD_CODE}}'     => 'IPD admission number',
+                                '{{ADMIT_DATE}}'   => 'Date of admission',
+                                '{{AGE_GENDER}}'   => 'Age & gender combined',
+                                '{{age_sex}}'      => 'Age/sex short form',
+                                '{{phoneno}}'      => 'Patient phone',
+                                '{{DOCTORS}}'      => 'Treating doctors',
+                                '{{doctor_name}}'  => 'Primary doctor name',
+                                '{{doctor_sign_html}}' => 'Doctor signature img',
+                            ] as $ph => $desc): ?>
+                                <button type="button" class="btn btn-outline-success btn-sm py-0 px-1 me-1 mb-1 doc-ph-btn" data-ph="<?= esc($ph) ?>" title="<?= esc($desc) ?>"><code><?= esc($ph) ?></code></button>
+                            <?php endforeach; ?>
+                        </div>
+                        <div class="mb-1"><span class="badge bg-secondary me-1">Date / Page</span>
+                            <?php foreach ([
+                                '{{CURRENT_DATE}}'     => 'Today\'s date',
+                                '{{CURRENT_DATETIME}}' => 'Today date + time',
+                                '{{print_time}}'       => 'Print timestamp',
+                                '{PAGENO}'             => 'mPDF: current page',
+                                '{nbpg}'               => 'mPDF: total pages',
+                            ] as $ph => $desc): ?>
+                                <button type="button" class="btn btn-outline-warning btn-sm py-0 px-1 me-1 mb-1 doc-ph-btn" data-ph="<?= esc($ph) ?>" title="<?= esc($desc) ?>"><code><?= esc($ph) ?></code></button>
+                            <?php endforeach; ?>
+                        </div>
+                        <div class="mb-0"><span class="badge bg-secondary me-1">QR / Barcode</span>
+                            <?php foreach ([
+                                '{{qr_content}}'   => 'QR raw content string',
+                                '{{qr_code_html}}' => 'QR code <img> tag',
+                            ] as $ph => $desc): ?>
+                                <button type="button" class="btn btn-outline-secondary btn-sm py-0 px-1 me-1 mb-1 doc-ph-btn" data-ph="<?= esc($ph) ?>" title="<?= esc($desc) ?>"><code><?= esc($ph) ?></code></button>
+                            <?php endforeach; ?>
+                        </div>
+                    </div>
+                </div>
+
                 <div class="row g-2">
                     <div class="col-12">
                         <label class="form-label small">Header HTML / mPDF tags</label>
-                        <textarea class="form-control" name="header_html" rows="6" style="font-family:Consolas,Monaco,monospace;"><?= esc((string) ($row['header_html'] ?? '')) ?></textarea>
+                        <textarea class="form-control doc-ph-target" name="header_html" rows="6" style="font-family:Consolas,Monaco,monospace;"><?= esc((string) ($row['header_html'] ?? '')) ?></textarea>
                     </div>
                     <div class="col-12">
                         <label class="form-label small">Footer HTML / mPDF tags</label>
-                        <textarea class="form-control" name="footer_html" rows="4" style="font-family:Consolas,Monaco,monospace;"><?= esc((string) ($row['footer_html'] ?? '')) ?></textarea>
+                        <textarea class="form-control doc-ph-target" name="footer_html" rows="4" style="font-family:Consolas,Monaco,monospace;"><?= esc((string) ($row['footer_html'] ?? '')) ?></textarea>
                     </div>
                 </div>
 
+                <script>
+                (function () {
+                    var activeTarget = null;
+
+                    document.querySelectorAll('.doc-ph-target').forEach(function (ta) {
+                        ta.addEventListener('focus', function () {
+                            activeTarget = ta;
+                            var label = document.getElementById('doc_tpl_focus_label');
+                            if (label) {
+                                label.textContent = 'Inserting into: ' + (ta.name || ta.id || 'textarea');
+                                label.className = 'small text-success fw-semibold';
+                            }
+                        });
+                    });
+
+                    document.querySelectorAll('.doc-ph-btn').forEach(function (btn) {
+                        btn.addEventListener('click', function () {
+                            var ph = btn.getAttribute('data-ph') || '';
+                            if (!ph) { return; }
+                            if (!activeTarget) {
+                                alert('Click inside a Header or Footer textarea first, then click a placeholder.');
+                                return;
+                            }
+                            var start = activeTarget.selectionStart || 0;
+                            var end   = activeTarget.selectionEnd   || 0;
+                            var val   = activeTarget.value;
+                            activeTarget.value = val.substring(0, start) + ph + val.substring(end);
+                            activeTarget.selectionStart = activeTarget.selectionEnd = start + ph.length;
+                            activeTarget.focus();
+                        });
+                    });
+                })();
+                </script>
+
                 <div class="mt-3 d-flex gap-2">
                     <button type="submit" class="btn btn-primary btn-sm" <?= ! $columnsReady ? 'disabled' : '' ?>>Save Settings</button>
                 </div>
diff --git a/app/Views/billing/opd_prescription_basic.php b/app/Views/billing/opd_prescription_basic.php
index b7d3663..e1e3e5f 100644
--- a/app/Views/billing/opd_prescription_basic.php
+++ b/app/Views/billing/opd_prescription_basic.php
@@ -777,7 +777,7 @@
                                 <div class="row g-3 align-items-end mb-2">
                                     <div class="col-md-8">
                                         <label class="form-label fw-semibold mb-1">Prescribed:</label>
-                                        <input type="text" class="form-control" id="med_name" list="medicine_suggest" placeholder="Search / enter medicine name">
+                                        <input type="text" class="form-control" id="med_name" list="medicine_suggest" autocomplete="off" placeholder="Search / enter medicine name">
                                         <datalist id="medicine_suggest"></datalist>
                                     </div>
                                     <div class="col-md-4">
@@ -1019,7 +1019,7 @@
                         <div class="col-md-7">
                             <div class="fw-semibold mb-2">Add Medicines</div>
                             <div class="mb-2">
-                                <input type="text" class="form-control form-control-sm" id="crgc_med_name" list="crgc_med_suggest" placeholder="Medicine name">
+                                <input type="text" class="form-control form-control-sm" id="crgc_med_name" list="crgc_med_suggest" autocomplete="off" placeholder="Medicine name">
                                 <datalist id="crgc_med_suggest"></datalist>
                             </div>
                             <div class="mb-2">
@@ -1114,6 +1114,9 @@
     var medicineSuggestRows = [];
     var medicineSearchCache = {};
     var medicineSearchCacheTtlMs = 120000;
+    var medicineSearchLocalDbKey = 'opd_medicine_search_cache_v1';
+    var medicineSearchCacheMaxEntries = 250;
+    var medicineSearchLocalDbReady = false;
     var medInputTimer = null;
     var crgcMedInputTimer = null;
     var medicineDoseMasterCache = { dose: [], when: [], freq: [], where: [] };
@@ -1181,6 +1184,69 @@
         return (scope || 'all') + '|' + (query || '').trim().toUpperCase();
     }
 
+    function pruneMedicineSearchCacheStore(nowMs) {
+        var now = nowMs || Date.now();
+        var keys = Object.keys(medicineSearchCache || {});
+        if (!keys.length) {
+            medicineSearchCache = {};
+            return;
+        }
+
+        var rows = [];
+        keys.forEach(function(k) {
+            var item = medicineSearchCache[k] || {};
+            var ts = Number(item.ts || 0);
+            if (!ts || (now - ts) > medicineSearchCacheTtlMs) {
+                return;
+            }
+            rows.push({ key: k, ts: ts, rows: Array.isArray(item.rows) ? item.rows : [] });
+        });
+
+        rows.sort(function(a, b) { return b.ts - a.ts; });
+        if (rows.length > medicineSearchCacheMaxEntries) {
+            rows = rows.slice(0, medicineSearchCacheMaxEntries);
+        }
+
+        var next = {};
+        rows.forEach(function(item) {
+            next[item.key] = { ts: item.ts, rows: item.rows };
+        });
+        medicineSearchCache = next;
+    }
+
+    function persistMedicineSearchCacheToLocalDb() {
+        try {
+            pruneMedicineSearchCacheStore(Date.now());
+            localStorage.setItem(medicineSearchLocalDbKey, JSON.stringify({
+                saved_at: Date.now(),
+                entries: medicineSearchCache
+            }));
+        } catch (e) {
+            // Ignore storage quota/private-mode failures; memory cache still works.
+        }
+    }
+
+    function ensureMedicineSearchLocalDbLoaded() {
+        if (medicineSearchLocalDbReady) {
+            return;
+        }
+        medicineSearchLocalDbReady = true;
+        try {
+            var raw = localStorage.getItem(medicineSearchLocalDbKey);
+            if (!raw) {
+                return;
+            }
+            var parsed = JSON.parse(raw);
+            var entries = parsed && parsed.entries ? parsed.entries : {};
+            if (entries && typeof entries === 'object') {
+                medicineSearchCache = entries;
+                pruneMedicineSearchCacheStore(Date.now());
+            }
+        } catch (e) {
+            medicineSearchCache = {};
+        }
+    }
+
     function fetchMedicineSuggestions(query, scope, done) {
         var q = (query || '').trim();
         if (q.length < 2) {
@@ -1188,6 +1254,8 @@
             return;
         }
 
+        ensureMedicineSearchLocalDbLoaded();
+
         var useScope = (scope || 'all').toString();
         var cacheKey = getMedicineSearchCacheKey(q, useScope);
         var now = Date.now();
@@ -1199,7 +1267,8 @@
 
         apiGet('<?= base_url('Opd_prescription/medicine_search') ?>?q=' + encodeURIComponent(q) + '&scope=' + encodeURIComponent(useScope) + '&limit=10', function(data) {
             var rows = (data && data.rows) ? data.rows : [];
-            medicineSearchCache[cacheKey] = { ts: now, rows: rows };
+            medicineSearchCache[cacheKey] = { ts: Date.now(), rows: rows };
+            persistMedicineSearchCacheToLocalDb();
             done(rows);
         });
     }