OpenPV Signal Explorer
FAERS disproportionality dashboard
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Drug

Levalbuterol Hydrochloride

235 flagged reaction(s) · 6,081 total co-reports · max PRR 21.8
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 Impaired Quality Of Life 52 21.8 22.1 signal
2 Seasonal Allergy 42 17.9 18.1 signal
3 Blood Calcium Decreased 30 16.0 16.1 signal
4 Asthma 254 13.6 14.6 signal
5 Chronic Obstructive Pulmonary Disease 111 12.8 13.2 signal
6 Infusion Site Pain 25 11.8 11.9 signal
7 Orthostatic Hypotension 34 11.7 11.8 signal
8 Respiratory Tract Infection 47 10.9 11.0 signal
9 Acute Respiratory Failure 34 10.7 10.8 signal
10 Vitamin D Deficiency 17 10.5 10.5 signal
11 Productive Cough 71 9.0 9.2 signal
12 Sputum Discoloured 14 8.9 8.9 signal
13 Candida Infection 23 8.3 8.3 signal
14 Secretion Discharge 17 8.3 8.3 signal
15 Atelectasis 12 7.4 7.5 signal
16 Oxygen Saturation Decreased 69 7.4 7.6 signal
17 Sedation 32 7.4 7.4 signal
18 Ear Infection 32 7.3 7.3 signal
19 Laryngitis 13 7.2 7.2 signal
20 Bronchitis 89 7.2 7.4 signal
21 Flank Pain 11 7.1 7.1 signal
22 Upper Respiratory Tract Infection 54 7.0 7.1 signal
23 Insurance Issue 17 6.9 6.9 signal
24 Respiratory Tract Congestion 18 6.8 6.8 signal
25 Sinusitis 114 6.7 6.9 signal
26 Sinus Congestion 15 6.7 6.7 signal
27 Loss Of Personal Independence In Daily Activities 52 6.6 6.7 signal
28 Emphysema 11 6.5 6.6 signal
29 Oral Candidiasis 14 6.5 6.5 signal
30 Bronchospasm 15 6.3 6.3 signal
31 Illness 105 6.3 6.4 signal
32 End Stage Renal Disease 19 6.2 6.2 signal
33 Wheezing 61 6.2 6.3 signal
34 Aphonia 14 6.0 6.1 signal
35 Iron Deficiency Anaemia 9 5.9 5.9 signal
36 Dermatitis Contact 11 5.8 5.8 signal
37 Pneumonia 313 5.8 6.3 signal
38 Viral Infection 32 5.8 5.8 signal
39 Brain Fog 14 5.8 5.8 signal
40 Dyspnoea Exertional 36 5.8 5.8 signal
41 Pneumothorax 15 5.7 5.7 signal
42 Haemoptysis 26 5.6 5.6 signal
43 Dysphonia 54 5.6 5.6 signal
44 Cough 249 5.4 5.7 signal
45 Pulmonary Mass 13 5.3 5.3 signal
46 Sleep Disorder Due To A General Medical Condition 14 5.2 5.2 signal
47 Impaired Gastric Emptying 11 5.2 5.2 signal
48 Bacteraemia 10 5.1 5.1 signal
49 Covid-19 Pneumonia 10 5.1 5.1 signal
50 Decreased Activity 9 5.0 5.1 signal
51 Depressed Level Of Consciousness 33 5.0 5.1 signal
52 Pharyngeal Swelling 8 5.0 5.0 signal
53 Chronic Kidney Disease 64 5.0 5.1 signal
54 Wrist Fracture 10 5.0 5.0 signal
55 Respiratory Distress 23 5.0 5.0 signal
56 Aspiration 9 5.0 5.0 signal
57 Oral Herpes 16 4.9 5.0 signal
58 Sinus Disorder 16 4.9 4.9 signal
59 Eye Infection 9 4.8 4.8 signal
60 Hypoxia 28 4.8 4.8 signal
61 Foot Fracture 15 4.7 4.8 signal
62 Dyspnoea 446 4.7 5.3 signal
63 Poor Venous Access 8 4.7 4.7 signal
64 Lung Disorder 37 4.5 4.6 signal
65 Musculoskeletal Discomfort 13 4.5 4.6 signal
66 Tachypnoea 10 4.4 4.4 signal
67 Small Intestinal Obstruction 9 4.4 4.4 signal
68 Supraventricular Tachycardia 7 4.4 4.4 signal
69 Heart Rate Increased 72 4.4 4.4 signal
70 Device Delivery System Issue 19 4.4 4.4 signal
71 Throat Irritation 32 4.3 4.3 signal
72 Sneezing 16 4.3 4.3 signal
73 Cognitive Disorder 33 4.3 4.3 signal
74 Bacterial Infection 13 4.2 4.2 signal
75 Chest Discomfort 71 4.2 4.3 signal
76 Intentional Dose Omission 19 4.2 4.2 signal
77 Oropharyngeal Pain 64 4.2 4.2 signal
78 Ear Discomfort 7 4.1 4.1 signal
79 Rib Fracture 14 4.1 4.1 signal
80 Ear Pain 13 4.0 4.0 signal
81 Covid-19 118 4.0 4.1 signal
82 Hereditary Angioedema 7 4.0 4.0 signal
83 Nasal Congestion 39 4.0 4.0 signal
84 Leukocytosis 12 4.0 4.0 signal
85 Osteopenia 10 3.9 3.9 signal
86 Skin Laceration 7 3.9 3.9 signal
87 Oral Discomfort 9 3.9 3.9 signal
88 Pharyngitis Streptococcal 7 3.9 3.9 signal
89 Clostridium Difficile Infection 14 3.9 3.9 signal
90 Hepatic Encephalopathy 6 3.9 3.9 signal
91 Arteriosclerosis 6 3.8 3.8 signal
92 Renal Injury 19 3.8 3.8 signal
93 Throat Tightness 17 3.8 3.8 signal
94 Seizure 72 3.8 3.8 signal
95 Pulmonary Hypertension 13 3.7 3.7 signal
96 Respiratory Failure 45 3.7 3.7 signal
97 Infection 88 3.7 3.7 signal
98 Influenza 68 3.7 3.7 signal
99 Ligament Sprain 6 3.7 3.7 signal
100 Blood Pressure Abnormal 12 3.6 3.7 signal
101 Hospitalisation 92 3.6 3.7 signal
102 Respiratory Disorder 18 3.6 3.6 signal
103 Gastrooesophageal Reflux Disease 48 3.6 3.6 signal
104 Hypoaesthesia Oral 9 3.6 3.6 signal
105 Balance Disorder 51 3.5 3.6 signal
106 Initial Insomnia 6 3.5 3.5 signal
107 Adrenal Insufficiency 7 3.5 3.5 signal
108 Spinal Operation 7 3.5 3.5 signal
109 Product Odour Abnormal 6 3.5 3.5 signal
110 Feeling Jittery 11 3.5 3.5 signal
111 Weight Fluctuation 6 3.5 3.5 signal
112 Tenderness 6 3.5 3.5 signal
113 Fungal Infection 19 3.4 3.4 signal
114 Paraesthesia Oral 8 3.3 3.4 signal
115 Body Height Decreased 6 3.3 3.3 signal
116 Gastroenteritis Viral 10 3.3 3.3 signal
117 Therapeutic Product Effect Incomplete 39 3.3 3.3 signal
118 Upper Limb Fracture 11 3.3 3.3 signal
119 Pulmonary Thrombosis 6 3.3 3.3 signal
120 Pulmonary Arterial Hypertension 8 3.3 3.3 signal
121 Eye Pruritus 18 3.3 3.3 signal
122 Immunodeficiency 8 3.3 3.3 signal
123 Incorrect Product Administration Duration 11 3.3 3.3 signal
124 Fluid Overload 8 3.3 3.3 signal
125 Dry Eye 26 3.2 3.2 signal
126 Product Taste Abnormal 7 3.1 3.1 signal
127 Mobility Decreased 37 3.1 3.1 signal
128 Musculoskeletal Chest Pain 8 3.1 3.1 signal
129 Product Dose Omission Issue 147 3.1 3.2 signal
130 Choking 10 3.1 3.1 signal
131 Fluid Retention 26 3.1 3.1 signal
132 Anaphylactic Reaction 28 3.1 3.1 signal
133 Blood Iron Decreased 6 3.1 3.1 signal
134 Inability To Afford Medication 5 3.1 3.1 signal
135 Macular Degeneration 6 3.0 3.0 signal
136 Bladder Disorder 5 3.0 3.0 signal
137 Salivary Hypersecretion 5 3.0 3.0 signal
138 Brain Injury 5 3.0 3.0 signal
139 Epistaxis 37 3.0 3.0 signal
140 Eyelid Ptosis 5 3.0 3.0 signal
141 Temperature Intolerance 5 2.9 2.9 signal
142 Eye Discharge 5 2.9 2.9 signal
143 Petechiae 5 2.9 2.9 signal
144 Limb Injury 13 2.9 2.9 signal
145 Transfusion 5 2.9 2.9 signal
146 Head Injury 15 2.9 2.9 signal
147 Electrocardiogram Qt Prolonged 17 2.8 2.8 signal
148 Lower Limb Fracture 9 2.8 2.8 signal
149 Retching 10 2.8 2.8 signal
150 Joint Injury 10 2.8 2.8 signal
151 Scar 8 2.8 2.8 signal
152 Therapy Interrupted 32 2.8 2.8 signal
153 Kidney Infection 9 2.8 2.8 signal
154 Cardiac Failure Congestive 37 2.7 2.8 signal
155 Complication Associated With Device 6 2.7 2.7 signal
156 Palpitations 53 2.7 2.7 signal
157 Spinal Fracture 9 2.7 2.7 signal
158 Lung Infection 7 2.7 2.7 signal
159 Migraine 42 2.7 2.7 signal
160 Status Epilepticus 5 2.7 2.7 no signal
161 Diverticulitis 12 2.6 2.6 signal
162 Nerve Compression 4 2.6 2.6 no signal
163 Knee Arthroplasty 9 2.6 2.6 signal
164 Product Packaging Issue 4 2.6 2.6 no signal
165 Multiple Fractures 7 2.5 2.5 signal
166 Localised Infection 10 2.5 2.5 signal
167 Nasopharyngitis 75 2.4 2.5 signal
168 Exposure Via Skin Contact 9 2.4 2.4 signal
169 Procedural Pain 11 2.4 2.4 signal
170 Dementia 11 2.4 2.4 signal
171 Sluggishness 4 2.4 2.4 no signal
172 Product Use Complaint 6 2.3 2.3 no signal
173 Inappropriate Schedule Of Product Administration 68 2.3 2.3 signal
174 Anhedonia 10 2.3 2.3 signal
175 Product Dose Omission In Error 10 2.2 2.2 signal
176 Pneumonitis 10 2.2 2.2 signal
177 Product Packaging Quantity Issue 4 2.2 2.2 no signal
178 Dry Skin 48 2.2 2.2 signal
179 Eye Irritation 20 2.2 2.2 signal
180 Blindness Unilateral 5 2.1 2.1 no signal
181 Internal Haemorrhage 4 2.1 2.1 no signal
182 Therapeutic Response Shortened 11 2.1 2.1 signal
183 Surgery 20 2.1 2.1 signal
184 Gastrointestinal Haemorrhage 29 2.1 2.1 signal
185 Unevaluable Event 25 2.0 2.0 no signal
186 Cardiac Disorder 31 2.0 2.0 no signal
187 Pelvic Pain 6 2.0 2.0 no signal
188 Respiratory Depression 4 2.0 2.0 no signal
189 Dermatitis Atopic 16 1.9 1.9 no signal
190 Eye Inflammation 3 1.9 1.9 no signal
191 Needle Issue 9 1.9 1.9 no signal
192 Intraocular Pressure Increased 4 1.9 1.9 no signal
193 Decreased Immune Responsiveness 3 1.8 1.8 no signal
194 Product Substitution Issue 17 1.8 1.8 no signal
195 Product Prescribing Issue 6 1.8 1.8 no signal
196 Mood Altered 8 1.8 1.8 no signal
197 Coronary Artery Occlusion 4 1.7 1.7 no signal
198 Device Use Issue 5 1.7 1.7 no signal
199 Neurotoxicity 5 1.7 1.7 no signal
200 Expired Product Administered 9 1.6 1.6 no signal
201 Device Malfunction 17 1.5 1.5 no signal
202 Product Physical Issue 5 1.5 1.5 no signal
203 Lung Neoplasm Malignant 10 1.5 1.5 no signal
204 Product Dose Omission 16 1.5 1.5 no signal
205 Circumstance Or Information Capable Of Leading To Medication Error 8 1.4 1.4 no signal
206 Injection Site Rash 7 1.4 1.4 no signal
207 Product Dispensing Error 5 1.4 1.4 no signal
208 Psoriatic Arthropathy 9 1.3 1.3 no signal
209 Injection Site Mass 8 1.3 1.3 no signal
210 Skin Burning Sensation 15 1.3 1.3 no signal
211 Pancreatic Carcinoma 6 1.2 1.2 no signal
212 Accidental Underdose 3 1.2 1.2 no signal
213 Plasma Cell Myeloma 8 1.2 1.2 no signal
214 Device Failure 3 1.2 1.2 no signal
215 Acne 15 1.2 1.2 no signal
216 Product Storage Error 17 1.2 1.2 no signal
217 Drug Dose Omission By Device 15 1.2 1.2 no signal
218 Injection Site Warmth 4 1.2 1.2 no signal
219 Product Quality Issue 26 1.2 1.2 no signal
220 Injection Site Reaction 12 1.1 1.1 no signal
221 Injection Site Pain 53 1.0 1.0 no signal
222 Device Issue 15 1.0 1.0 no signal
223 Injection Site Swelling 13 1.0 1.0 no signal
224 Syringe Issue 3 1.0 1.0 no signal
225 Drug Abuse 14 1.0 1.0 no signal
226 Product Complaint 4 1.0 1.0 no signal
227 Injection Site Bruising 11 0.8 0.8 no signal
228 Injection Site Pruritus 9 0.8 0.8 no signal
229 Device Breakage 5 0.8 0.8 no signal
230 Accidental Exposure To Product 12 0.7 0.7 no signal
231 Device Leakage 5 0.7 0.7 no signal
232 Device Use Error 4 0.7 0.7 no signal
233 Breast Cancer Female 3 0.7 0.7 no signal
234 Wrong Technique In Device Usage Process 5 0.7 0.7 no signal
235 Bladder Cancer 3 0.3 0.3 no signal