Drug
Ampicillin Sodium And Sulbactam Sodium
Important: Reactions below are the flagged terms from this drug’s
FAERS report history (min. 3 co-reports per term) — PRR/ROR indicate
disproportionality in spontaneous reporting, not causation.
Data from FDA FAERS via openFDA. Last recalculated: 2026-09-14.
| Reaction | Co-reports (a) | PRR | ROR | Signal | |
|---|---|---|---|---|---|
| 1 | Drug Eruption | 46 | 21.5 | 21.9 | signal |
| 2 | Pneumonia Aspiration | 58 | 19.2 | 19.6 | signal |
| 3 | Toxic Epidermal Necrolysis | 35 | 19.1 | 19.4 | signal |
| 4 | Disseminated Intravascular Coagulation | 32 | 18.7 | 18.9 | signal |
| 5 | Acute Respiratory Distress Syndrome | 34 | 15.8 | 16.0 | signal |
| 6 | Atelectasis | 18 | 15.3 | 15.4 | signal |
| 7 | Hepatic Function Abnormal | 64 | 14.2 | 14.6 | signal |
| 8 | Blood Lactate Dehydrogenase Increased | 27 | 13.9 | 14.1 | signal |
| 9 | Clostridium Difficile Colitis | 17 | 13.2 | 13.3 | signal |
| 10 | Deformity | 15 | 13.2 | 13.3 | signal |
| 11 | Osteonecrosis Of Jaw | 36 | 11.9 | 12.1 | signal |
| 12 | Bacteraemia | 17 | 11.9 | 12.0 | signal |
| 13 | Sinus Tachycardia | 20 | 11.6 | 11.7 | signal |
| 14 | Erythema Multiforme | 13 | 11.5 | 11.5 | signal |
| 15 | Multi-organ Failure | 24 | 11.3 | 11.4 | signal |
| 16 | Gamma-glutamyltransferase Increased | 30 | 11.1 | 11.3 | signal |
| 17 | Osteomyelitis | 24 | 10.9 | 11.0 | signal |
| 18 | Multiple Organ Dysfunction Syndrome | 37 | 10.9 | 11.1 | signal |
| 19 | Interstitial Lung Disease | 64 | 10.9 | 11.2 | signal |
| 20 | Septic Shock | 56 | 10.7 | 10.9 | signal |
| 21 | C-reactive Protein Increased | 47 | 10.6 | 10.8 | signal |
| 22 | Intervertebral Disc Degeneration | 12 | 10.6 | 10.7 | signal |
| 23 | Toxic Skin Eruption | 13 | 10.6 | 10.6 | signal |
| 24 | Cholecystitis | 15 | 10.4 | 10.5 | signal |
| 25 | Candida Infection | 21 | 10.4 | 10.4 | signal |
| 26 | Stevens-johnson Syndrome | 28 | 10.3 | 10.5 | signal |
| 27 | Aspiration | 13 | 9.9 | 9.9 | signal |
| 28 | Anaphylactic Shock | 30 | 9.6 | 9.7 | signal |
| 29 | Malnutrition | 13 | 9.6 | 9.7 | signal |
| 30 | Blood Urea Increased | 19 | 9.3 | 9.4 | signal |
| 31 | Renal Failure Acute | 48 | 9.2 | 9.3 | signal |
| 32 | Leukocytosis | 20 | 9.1 | 9.2 | signal |
| 33 | Iron Deficiency Anaemia | 10 | 9.0 | 9.0 | signal |
| 34 | Dental Caries | 12 | 8.9 | 9.0 | signal |
| 35 | Cellulitis | 54 | 8.8 | 9.0 | signal |
| 36 | Arteriosclerosis | 10 | 8.7 | 8.8 | signal |
| 37 | Generalised Oedema | 13 | 8.7 | 8.7 | signal |
| 38 | Bone Disorder | 19 | 8.5 | 8.6 | signal |
| 39 | Aspartate Aminotransferase Increased | 54 | 8.4 | 8.5 | signal |
| 40 | Renal Tubular Necrosis | 10 | 8.4 | 8.4 | signal |
| 41 | Pneumocystis Jirovecii Pneumonia | 10 | 8.2 | 8.3 | signal |
| 42 | Blood Bilirubin Increased | 27 | 8.2 | 8.3 | signal |
| 43 | Platelet Count Increased | 13 | 8.2 | 8.2 | signal |
| 44 | Jaundice | 26 | 7.9 | 8.0 | signal |
| 45 | Alanine Aminotransferase Increased | 58 | 7.8 | 7.9 | signal |
| 46 | Depressed Level Of Consciousness | 37 | 7.7 | 7.8 | signal |
| 47 | Circulatory Collapse | 16 | 7.7 | 7.7 | signal |
| 48 | Respiratory Failure | 67 | 7.6 | 7.7 | signal |
| 49 | Metastases To Bone | 15 | 7.5 | 7.6 | signal |
| 50 | Hypoxia | 32 | 7.5 | 7.6 | signal |
| 51 | Staphylococcal Infection | 30 | 7.5 | 7.5 | signal |
| 52 | Rash Maculo-papular | 20 | 7.4 | 7.5 | signal |
| 53 | Cerebral Infarction | 22 | 7.4 | 7.5 | signal |
| 54 | Cardiomegaly | 11 | 7.3 | 7.3 | signal |
| 55 | Status Epilepticus | 10 | 7.3 | 7.3 | signal |
| 56 | Altered State Of Consciousness | 19 | 7.3 | 7.3 | signal |
| 57 | Shock | 20 | 7.2 | 7.3 | signal |
| 58 | Hypokalaemia | 40 | 7.2 | 7.3 | signal |
| 59 | Blood Creatine Phosphokinase Increased | 25 | 7.0 | 7.1 | signal |
| 60 | Pleural Effusion | 51 | 6.9 | 7.0 | signal |
| 61 | Sepsis | 92 | 6.8 | 7.0 | signal |
| 62 | Rash Generalised | 21 | 6.6 | 6.6 | signal |
| 63 | Brain Oedema | 10 | 6.5 | 6.5 | signal |
| 64 | Mental Status Changes | 22 | 6.5 | 6.6 | signal |
| 65 | Emphysema | 8 | 6.5 | 6.5 | signal |
| 66 | Neutrophil Count Decreased | 32 | 6.5 | 6.6 | signal |
| 67 | Neutrophil Count Increased | 8 | 6.4 | 6.4 | signal |
| 68 | Vasculitis | 9 | 6.4 | 6.4 | signal |
| 69 | Agranulocytosis | 14 | 6.2 | 6.3 | signal |
| 70 | Pulmonary Congestion | 10 | 6.2 | 6.2 | signal |
| 71 | Haematocrit Decreased | 15 | 6.2 | 6.2 | signal |
| 72 | Diarrhoea Haemorrhagic | 7 | 6.2 | 6.2 | signal |
| 73 | Laceration | 7 | 6.0 | 6.1 | signal |
| 74 | Hypercalcaemia | 9 | 6.0 | 6.0 | signal |
| 75 | White Blood Cell Count Increased | 28 | 6.0 | 6.0 | signal |
| 76 | Ventricular Tachycardia | 12 | 6.0 | 6.0 | signal |
| 77 | Liver Disorder | 32 | 5.9 | 6.0 | signal |
| 78 | Dermatitis Allergic | 9 | 5.9 | 6.0 | signal |
| 79 | Anhedonia | 19 | 5.9 | 5.9 | signal |
| 80 | Hypophagia | 18 | 5.8 | 5.9 | signal |
| 81 | Conjunctivitis | 13 | 5.8 | 5.8 | signal |
| 82 | Cyanosis | 11 | 5.7 | 5.8 | signal |
| 83 | Electrolyte Imbalance | 8 | 5.7 | 5.7 | signal |
| 84 | Delirium | 24 | 5.7 | 5.8 | signal |
| 85 | Pneumothorax | 11 | 5.7 | 5.7 | signal |
| 86 | Metastases To Lung | 8 | 5.7 | 5.7 | signal |
| 87 | Abscess | 11 | 5.7 | 5.7 | signal |
| 88 | Subarachnoid Haemorrhage | 7 | 5.6 | 5.7 | signal |
| 89 | Tooth Abscess | 7 | 5.6 | 5.7 | signal |
| 90 | Rib Fracture | 14 | 5.6 | 5.6 | signal |
| 91 | Cholestasis | 13 | 5.6 | 5.6 | signal |
| 92 | Local Swelling | 12 | 5.6 | 5.6 | signal |
| 93 | Drug Reaction With Eosinophilia And Systemic Symptoms | 17 | 5.5 | 5.5 | signal |
| 94 | Cytomegalovirus Infection | 11 | 5.4 | 5.5 | signal |
| 95 | Respiratory Depression | 8 | 5.4 | 5.4 | signal |
| 96 | Injury | 46 | 5.4 | 5.4 | signal |
| 97 | Ileus | 8 | 5.4 | 5.4 | signal |
| 98 | Hypomagnesaemia | 9 | 5.3 | 5.4 | signal |
| 99 | Wound Infection | 7 | 5.3 | 5.3 | signal |
| 100 | Hepatic Encephalopathy | 6 | 5.3 | 5.3 | signal |
| 101 | Lung Infection | 10 | 5.2 | 5.2 | signal |
| 102 | Metabolic Acidosis | 20 | 5.2 | 5.2 | signal |
| 103 | Red Blood Cell Sedimentation Rate Increased | 7 | 5.2 | 5.2 | signal |
| 104 | Bronchospasm | 9 | 5.2 | 5.2 | signal |
| 105 | Nephropathy Toxic | 7 | 5.2 | 5.2 | signal |
| 106 | Supraventricular Tachycardia | 6 | 5.2 | 5.2 | signal |
| 107 | Metastases To Central Nervous System | 8 | 5.1 | 5.2 | signal |
| 108 | Drug Resistance | 16 | 5.1 | 5.2 | signal |
| 109 | Tooth Loss | 13 | 5.1 | 5.1 | signal |
| 110 | Lymphocyte Count Decreased | 11 | 5.1 | 5.1 | signal |
| 111 | Gastroenteritis | 9 | 5.1 | 5.1 | signal |
| 112 | Hiatus Hernia | 8 | 5.1 | 5.1 | signal |
| 113 | Diverticulitis | 17 | 5.1 | 5.1 | signal |
| 114 | Pancytopenia | 34 | 5.0 | 5.1 | signal |
| 115 | Body Temperature Decreased | 6 | 5.0 | 5.0 | signal |
| 116 | Rhabdomyolysis | 25 | 4.9 | 5.0 | signal |
| 117 | Lymphadenopathy | 21 | 4.9 | 4.9 | signal |
| 118 | Melaena | 13 | 4.8 | 4.9 | signal |
| 119 | Covid-19 Pneumonia | 7 | 4.8 | 4.9 | signal |
| 120 | Neuroleptic Malignant Syndrome | 7 | 4.8 | 4.9 | signal |
| 121 | Polyneuropathy | 7 | 4.8 | 4.9 | signal |
| 122 | Hemiparesis | 10 | 4.8 | 4.8 | signal |
| 123 | Body Temperature Increased | 12 | 4.8 | 4.8 | signal |
| 124 | Hyperbilirubinaemia | 6 | 4.8 | 4.8 | signal |
| 125 | Blood Creatinine Increased | 38 | 4.8 | 4.8 | signal |
| 126 | Bursitis | 7 | 4.8 | 4.8 | signal |
| 127 | Respiratory Distress | 16 | 4.8 | 4.8 | signal |
| 128 | Ventricular Extrasystoles | 6 | 4.7 | 4.8 | signal |
| 129 | Renal Impairment | 48 | 4.7 | 4.8 | signal |
| 130 | Transfusion | 6 | 4.7 | 4.7 | signal |
| 131 | Cardio-respiratory Arrest | 24 | 4.7 | 4.7 | signal |
| 132 | Platelet Count Decreased | 60 | 4.6 | 4.7 | signal |
| 133 | Blood Alkaline Phosphatase Increased | 14 | 4.6 | 4.7 | signal |
| 134 | Intervertebral Disc Protrusion | 12 | 4.5 | 4.5 | signal |
| 135 | Drug Level Increased | 9 | 4.5 | 4.5 | signal |
| 136 | Blood Pressure Decreased | 36 | 4.5 | 4.5 | signal |
| 137 | Skin Ulcer | 14 | 4.5 | 4.5 | signal |
| 138 | Coagulopathy | 9 | 4.5 | 4.5 | signal |
| 139 | Ventricular Fibrillation | 6 | 4.4 | 4.4 | signal |
| 140 | Thrombocytopenia | 60 | 4.4 | 4.5 | signal |
| 141 | Obstructive Airways Disorder | 6 | 4.4 | 4.4 | signal |
| 142 | Face Oedema | 9 | 4.4 | 4.4 | signal |
| 143 | Premature Baby | 16 | 4.4 | 4.4 | signal |
| 144 | Pain In Jaw | 15 | 4.4 | 4.4 | signal |
| 145 | Cholecystectomy | 6 | 4.3 | 4.4 | signal |
| 146 | Epilepsy | 16 | 4.3 | 4.3 | signal |
| 147 | International Normalised Ratio Increased | 15 | 4.3 | 4.3 | signal |
| 148 | Economic Problem | 8 | 4.3 | 4.3 | signal |
| 149 | Device Related Infection | 8 | 4.3 | 4.3 | signal |
| 150 | Cholelithiasis | 17 | 4.3 | 4.3 | signal |
| 151 | Tachypnoea | 7 | 4.3 | 4.3 | signal |
| 152 | Hyperkalaemia | 18 | 4.2 | 4.3 | signal |
| 153 | Eosinophilia | 9 | 4.2 | 4.3 | signal |
| 154 | Caesarean Section | 6 | 4.2 | 4.2 | signal |
| 155 | Ligament Sprain | 5 | 4.2 | 4.2 | signal |
| 156 | Oxygen Saturation Decreased | 28 | 4.1 | 4.2 | signal |
| 157 | Haemoptysis | 14 | 4.1 | 4.1 | signal |
| 158 | Premature Delivery | 8 | 4.1 | 4.1 | signal |
| 159 | Haematoma | 13 | 4.1 | 4.1 | signal |
| 160 | Cardiogenic Shock | 7 | 4.0 | 4.0 | signal |
| 161 | Paralysis | 7 | 4.0 | 4.0 | signal |
| 162 | Myelodysplastic Syndrome | 7 | 4.0 | 4.0 | signal |
| 163 | Pneumonitis | 13 | 4.0 | 4.0 | signal |
| 164 | Petechiae | 5 | 4.0 | 4.0 | signal |
| 165 | Deep Vein Thrombosis | 31 | 3.9 | 3.9 | signal |
| 166 | Pulmonary Fibrosis | 9 | 3.9 | 3.9 | signal |
| 167 | Bradycardia | 25 | 3.9 | 3.9 | signal |
| 168 | Hepatitis | 12 | 3.9 | 3.9 | signal |
| 169 | Post Procedural Complication | 9 | 3.8 | 3.9 | signal |
| 170 | Respiratory Arrest | 13 | 3.8 | 3.9 | signal |
| 171 | Musculoskeletal Discomfort | 8 | 3.8 | 3.8 | signal |
| 172 | Liver Injury | 11 | 3.7 | 3.8 | signal |
| 173 | Angioedema | 20 | 3.7 | 3.8 | signal |
| 174 | Quality Of Life Decreased | 6 | 3.7 | 3.7 | signal |
| 175 | Intestinal Perforation | 5 | 3.7 | 3.7 | signal |
| 176 | Acute Hepatic Failure | 6 | 3.6 | 3.6 | signal |
| 177 | Rebound Effect | 5 | 3.6 | 3.6 | signal |
| 178 | Mouth Ulceration | 9 | 3.5 | 3.5 | signal |
| 179 | Unresponsive To Stimuli | 11 | 3.5 | 3.5 | signal |
| 180 | Carpal Tunnel Syndrome | 6 | 3.5 | 3.5 | signal |
| 181 | Tubulointerstitial Nephritis | 8 | 3.5 | 3.5 | signal |
| 182 | Grand Mal Convulsion | 4 | 3.5 | 3.5 | signal |
| 183 | Impaired Healing | 14 | 3.5 | 3.5 | signal |
| 184 | Coronary Artery Disease | 13 | 3.5 | 3.5 | signal |
| 185 | Cardiac Failure | 34 | 3.5 | 3.5 | signal |
| 186 | Febrile Neutropenia | 28 | 3.5 | 3.5 | signal |
| 187 | Leukopenia | 21 | 3.5 | 3.5 | signal |
| 188 | Deafness | 11 | 3.5 | 3.5 | signal |
| 189 | Anaphylactic Reaction | 23 | 3.4 | 3.5 | signal |
| 190 | Upper Gastrointestinal Haemorrhage | 7 | 3.4 | 3.4 | signal |
| 191 | White Blood Cell Count Decreased | 45 | 3.4 | 3.5 | signal |
| 192 | Convulsion | 24 | 3.4 | 3.4 | signal |
| 193 | Fear | 11 | 3.3 | 3.3 | signal |
| 194 | Paranoia | 7 | 3.3 | 3.3 | signal |
| 195 | Ovarian Cyst | 4 | 3.3 | 3.3 | signal |
| 196 | Inappropriate Antidiuretic Hormone Secretion | 4 | 3.2 | 3.2 | signal |
| 197 | Electrocardiogram Qt Prolonged | 14 | 3.2 | 3.2 | signal |
| 198 | Toothache | 7 | 3.2 | 3.2 | signal |
| 199 | Peritonitis | 8 | 3.2 | 3.2 | signal |
| 200 | Dermatitis | 8 | 3.2 | 3.2 | signal |
| 201 | Ejection Fraction Decreased | 6 | 3.2 | 3.2 | signal |
| 202 | Cardiac Failure Congestive | 31 | 3.1 | 3.2 | signal |
| 203 | Central Nervous System Lesion | 5 | 3.0 | 3.0 | signal |
| 204 | Nerve Injury | 4 | 3.0 | 3.0 | no signal |
| 205 | Haemorrhage Intracranial | 5 | 2.7 | 2.7 | no signal |
| 206 | Cardiovascular Disorder | 8 | 2.6 | 2.6 | signal |
| 207 | Mydriasis | 4 | 2.6 | 2.6 | no signal |
| 208 | Therapy Change | 3 | 2.6 | 2.6 | no signal |
| 209 | Anorexia | 4 | 2.5 | 2.5 | no signal |
| 210 | Malignant Neoplasm Progression | 31 | 2.5 | 2.5 | signal |
| 211 | Osteonecrosis | 10 | 2.5 | 2.5 | signal |
| 212 | Aggression | 15 | 2.5 | 2.5 | signal |
| 213 | Emotional Distress | 35 | 2.4 | 2.4 | signal |
| 214 | Blindness Unilateral | 4 | 2.3 | 2.3 | no signal |
| 215 | Foetal Exposure During Pregnancy | 22 | 2.2 | 2.2 | signal |
| 216 | Fistula | 3 | 2.2 | 2.2 | no signal |
| 217 | Cytopenia | 3 | 2.1 | 2.1 | no signal |
| 218 | Injection Site Extravasation | 3 | 2.0 | 2.0 | no signal |
| 219 | Tuberculosis | 3 | 1.9 | 1.9 | no signal |
| 220 | Diabetic Ketoacidosis | 5 | 1.7 | 1.7 | no signal |
| 221 | Plasma Cell Myeloma | 8 | 1.7 | 1.7 | no signal |
| 222 | Bone Loss | 3 | 1.6 | 1.6 | no signal |
| 223 | Lung Neoplasm Malignant | 7 | 1.4 | 1.4 | no signal |
| 224 | Withdrawal Syndrome | 7 | 1.4 | 1.4 | no signal |
| 225 | Gastric Cancer | 3 | 1.0 | 1.0 | no signal |
| 226 | Completed Suicide | 9 | 0.9 | 0.9 | no signal |