OpenPV Signal Explorer
FAERS disproportionality dashboard
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Drug

Efgartigimod Alfa

176 flagged reaction(s) · 5,608 total co-reports · max PRR 61.3
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 Eyelid Ptosis 114 61.3 63.1 signal
2 Therapy Change 50 28.2 28.5 signal
3 Choking 97 27.1 27.8 signal
4 Diplopia 123 25.7 26.5 signal
5 Poor Venous Access 35 18.4 18.5 signal
6 Therapeutic Response Shortened 89 15.2 15.5 signal
7 Drug Effect Less Than Expected 31 11.9 12.0 signal
8 Dysarthria 82 11.8 12.0 signal
9 Therapy Non-responder 85 10.3 10.5 signal
10 Dysphagia 176 10.1 10.5 signal
11 Diverticulitis 48 9.4 9.5 signal
12 Muscular Weakness 196 9.3 9.8 signal
13 Therapy Cessation 88 9.3 9.5 signal
14 Insurance Issue 24 8.7 8.8 signal
15 Sars-cov-2 Test Positive 20 8.1 8.1 signal
16 Spinal Operation 18 8.0 8.1 signal
17 Therapeutic Product Effect Decreased 65 7.9 8.0 signal
18 Upper Respiratory Tract Infection 65 7.6 7.7 signal
19 Pulmonary Mass 20 7.3 7.3 signal
20 Nephrolithiasis 58 6.9 6.9 signal
21 Therapy Interrupted 86 6.7 6.9 signal
22 Urinary Tract Infection 211 6.7 7.0 signal
23 Pharyngeal Swelling 11 6.2 6.2 signal
24 Hospitalisation 175 6.2 6.5 signal
25 Respiratory Tract Infection 29 6.0 6.1 signal
26 Salivary Hypersecretion 11 6.0 6.0 signal
27 Loss Of Personal Independence In Daily Activities 52 5.9 6.0 signal
28 Autoimmune Disorder 10 5.7 5.7 signal
29 Back Injury 11 5.5 5.5 signal
30 Dyspnoea Exertional 38 5.5 5.5 signal
31 Covid-19 174 5.3 5.5 signal
32 Pulmonary Congestion 13 5.3 5.3 signal
33 Urosepsis 9 5.3 5.3 signal
34 Herpes Zoster 56 5.3 5.3 signal
35 Aspiration 10 5.0 5.0 signal
36 Bedridden 12 4.9 5.0 signal
37 Speech Disorder 47 4.9 4.9 signal
38 Mitral Valve Incompetence 10 4.8 4.8 signal
39 Pneumonia Aspiration 22 4.8 4.8 signal
40 Skin Laceration 9 4.5 4.5 signal
41 Brain Fog 12 4.4 4.5 signal
42 Rib Fracture 16 4.2 4.2 signal
43 Seasonal Allergy 11 4.2 4.2 signal
44 Inappropriate Schedule Of Product Administration 137 4.2 4.3 signal
45 Drug Effective For Unapproved Indication 22 4.1 4.1 signal
46 Muscle Twitching 17 4.0 4.0 signal
47 Therapy Partial Responder 11 3.9 4.0 signal
48 Knee Operation 7 3.9 3.9 signal
49 Knee Arthroplasty 15 3.9 3.9 signal
50 Dysstasia 21 3.9 3.9 signal
51 Musculoskeletal Chest Pain 11 3.8 3.8 signal
52 Spinal Fracture 14 3.8 3.8 signal
53 Respiratory Disorder 21 3.8 3.8 signal
54 Musculoskeletal Discomfort 12 3.8 3.8 signal
55 Therapeutic Product Effect Incomplete 49 3.7 3.8 signal
56 Sepsis 77 3.7 3.8 signal
57 Asthenia 259 3.7 3.9 signal
58 Cytokine Release Syndrome 13 3.7 3.7 signal
59 Immunodeficiency 10 3.7 3.7 signal
60 Cataract 40 3.6 3.7 signal
61 Cellulitis 34 3.6 3.7 signal
62 Covid-19 Pneumonia 8 3.6 3.6 signal
63 Lacrimation Increased 20 3.6 3.6 signal
64 Fall 222 3.6 3.8 signal
65 Device Related Infection 10 3.5 3.5 signal
66 Secretion Discharge 8 3.5 3.5 signal
67 Atrial Fibrillation 62 3.4 3.5 signal
68 Productive Cough 30 3.4 3.4 signal
69 Dysphonia 37 3.4 3.4 signal
70 Nerve Injury 7 3.4 3.4 signal
71 Hypertensive Crisis 7 3.4 3.4 signal
72 Head Discomfort 11 3.4 3.4 signal
73 Micturition Urgency 7 3.3 3.3 signal
74 Kidney Infection 12 3.3 3.3 signal
75 Internal Haemorrhage 7 3.3 3.3 signal
76 Joint Injury 13 3.3 3.3 signal
77 Hip Arthroplasty 9 3.2 3.2 signal
78 Sluggishness 6 3.2 3.2 signal
79 Temperature Intolerance 6 3.2 3.2 signal
80 Weight Fluctuation 6 3.1 3.1 signal
81 Post Procedural Complication 11 3.1 3.1 signal
82 Tooth Extraction 7 3.0 3.0 signal
83 Muscle Tightness 9 3.0 3.0 signal
84 Blood Pressure Abnormal 11 3.0 3.0 signal
85 Clostridium Difficile Infection 12 3.0 3.0 signal
86 Gastroenteritis Viral 10 3.0 3.0 signal
87 Intentional Dose Omission 15 3.0 3.0 signal
88 Balance Disorder 47 2.9 3.0 signal
89 Head Injury 17 2.9 2.9 signal
90 Tooth Infection 7 2.9 2.9 signal
91 Complication Associated With Device 7 2.9 2.9 signal
92 Cholecystectomy 6 2.9 2.9 signal
93 Dyspnoea 298 2.8 3.0 signal
94 Eye Disorder 17 2.8 2.8 signal
95 Eating Disorder 11 2.8 2.8 signal
96 Abdominal Pain Lower 13 2.8 2.8 signal
97 Fatigue 396 2.8 3.0 signal
98 Nasopharyngitis 94 2.8 2.8 signal
99 Blood Iron Decreased 6 2.8 2.8 signal
100 Influenza 56 2.7 2.7 signal
101 Neck Pain 28 2.7 2.7 signal
102 Therapeutic Response Decreased 30 2.7 2.7 signal
103 Dry Throat 5 2.7 2.7 no signal
104 Hypersomnia 14 2.6 2.6 signal
105 Limb Discomfort 15 2.6 2.6 signal
106 Petechiae 5 2.6 2.6 no signal
107 Muscle Atrophy 6 2.6 2.6 signal
108 Lower Limb Fracture 9 2.5 2.6 signal
109 Hemiparesis 8 2.5 2.5 signal
110 Hip Fracture 15 2.5 2.5 signal
111 Ankle Fracture 7 2.4 2.4 signal
112 Feeding Disorder 9 2.4 2.4 signal
113 Basal Cell Carcinoma 7 2.4 2.4 signal
114 Intestinal Perforation 5 2.4 2.4 no signal
115 Stress 32 2.4 2.4 signal
116 Limb Injury 12 2.4 2.4 signal
117 Retinal Detachment 4 2.4 2.4 no signal
118 Metastases To Lung 5 2.3 2.3 no signal
119 Device Occlusion 6 2.3 2.3 no signal
120 Surgery 25 2.3 2.3 signal
121 Aphonia 6 2.3 2.3 no signal
122 Back Disorder 7 2.3 2.3 signal
123 Post Procedural Haemorrhage 5 2.3 2.3 no signal
124 Diarrhoea Haemorrhagic 4 2.3 2.3 no signal
125 Skin Reaction 6 2.3 2.3 no signal
126 Squamous Cell Carcinoma 4 2.3 2.3 no signal
127 Infusion Related Reaction 28 2.3 2.3 signal
128 Illness 42 2.3 2.3 signal
129 Skin Cancer 9 2.3 2.3 signal
130 Nasal Congestion 24 2.2 2.2 signal
131 Hospice Care 4 2.2 2.2 no signal
132 Eye Discharge 4 2.1 2.1 no signal
133 Ear Discomfort 4 2.1 2.1 no signal
134 Anaphylactic Reaction 21 2.1 2.1 signal
135 Hereditary Angioedema 4 2.1 2.1 no signal
136 Immune System Disorder 5 2.1 2.1 no signal
137 Ill-defined Disorder 23 2.0 2.1 signal
138 Respiratory Tract Congestion 6 2.0 2.0 no signal
139 Malignant Melanoma 5 2.0 2.0 no signal
140 Pharyngitis Streptococcal 4 2.0 2.0 no signal
141 Hernia 7 2.0 2.0 no signal
142 Throat Irritation 16 1.9 1.9 no signal
143 Product Availability Issue 8 1.9 1.9 no signal
144 Systemic Lupus Erythematosus 12 1.8 1.8 no signal
145 Polyneuropathy 4 1.8 1.8 no signal
146 Macular Degeneration 4 1.8 1.8 no signal
147 Thyroid Cancer 4 1.8 1.8 no signal
148 Neoplasm Malignant 22 1.8 1.8 no signal
149 Product Dose Omission Issue 91 1.7 1.7 no signal
150 Intraocular Pressure Increased 4 1.7 1.7 no signal
151 Adverse Reaction 4 1.6 1.6 no signal
152 Pneumocystis Jirovecii Pneumonia 3 1.6 1.6 no signal
153 Metastases To Liver 5 1.5 1.5 no signal
154 Dialysis 4 1.5 1.5 no signal
155 Blood Glucose Fluctuation 3 1.5 1.5 no signal
156 Lung Neoplasm Malignant 11 1.4 1.4 no signal
157 Pemphigus 3 1.3 1.3 no signal
158 Cytomegalovirus Infection 4 1.3 1.3 no signal
159 Prostate Cancer 19 1.3 1.3 no signal
160 Syringe Issue 4 1.2 1.2 no signal
161 Breast Cancer Female 6 1.2 1.2 no signal
162 Blood Glucose Abnormal 4 1.2 1.2 no signal
163 Osteonecrosis 7 1.1 1.1 no signal
164 Diabetic Ketoacidosis 5 1.1 1.1 no signal
165 Injection Site Haematoma 3 1.1 1.1 no signal
166 Meningioma 3 1.1 1.1 no signal
167 Glycosylated Haemoglobin Increased 5 1.1 1.1 no signal
168 Incorrect Product Administration Duration 4 1.1 1.1 no signal
169 Hepatic Cancer 4 0.9 0.9 no signal
170 Pancreatic Carcinoma 4 0.7 0.7 no signal
171 Injection Site Rash 4 0.7 0.7 no signal
172 Breast Cancer 12 0.7 0.7 no signal
173 Product Storage Error 11 0.7 0.7 no signal
174 Bladder Cancer 7 0.6 0.6 no signal
175 Device Dislocation 4 0.5 0.5 no signal
176 Renal Cancer 4 0.4 0.4 no signal