Drug
Elosulfase Alfa
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 | Knee Operation | 74 | 29.9 | 30.3 | signal |
| 2 | Poor Venous Access | 60 | 22.8 | 23.0 | signal |
| 3 | Ear Infection | 86 | 12.7 | 12.9 | signal |
| 4 | Oxygen Saturation Decreased | 153 | 10.7 | 11.0 | signal |
| 5 | Body Temperature Increased | 55 | 10.5 | 10.6 | signal |
| 6 | Gastroenteritis Viral | 48 | 10.4 | 10.4 | signal |
| 7 | Cyanosis | 40 | 9.9 | 10.0 | signal |
| 8 | Respiratory Distress | 65 | 9.2 | 9.3 | signal |
| 9 | Product Dose Omission | 155 | 9.1 | 9.4 | signal |
| 10 | Pharyngitis Streptococcal | 25 | 9.0 | 9.1 | signal |
| 11 | Spinal Operation | 27 | 8.7 | 8.7 | signal |
| 12 | Nasal Congestion | 129 | 8.6 | 8.8 | signal |
| 13 | Pyrexia | 726 | 8.2 | 9.3 | signal |
| 14 | Joint Dislocation | 20 | 7.4 | 7.4 | signal |
| 15 | Secretion Discharge | 23 | 7.3 | 7.3 | signal |
| 16 | Ear Pain | 35 | 7.0 | 7.1 | signal |
| 17 | Sleep Apnoea Syndrome | 33 | 6.7 | 6.8 | signal |
| 18 | Pallor | 46 | 6.6 | 6.6 | signal |
| 19 | Bronchospasm | 24 | 6.5 | 6.6 | signal |
| 20 | Device Related Infection | 25 | 6.3 | 6.3 | signal |
| 21 | Spinal Disorder | 15 | 6.2 | 6.2 | signal |
| 22 | Respiratory Disorder | 45 | 5.9 | 5.9 | signal |
| 23 | Sars-cov-2 Test Positive | 20 | 5.8 | 5.9 | signal |
| 24 | Oropharyngeal Pain | 134 | 5.6 | 5.8 | signal |
| 25 | Upper Respiratory Tract Infection | 64 | 5.4 | 5.5 | signal |
| 26 | Deafness | 36 | 5.4 | 5.4 | signal |
| 27 | Infusion Site Pain | 17 | 5.2 | 5.2 | signal |
| 28 | Foot Deformity | 14 | 4.9 | 4.9 | signal |
| 29 | Cough | 344 | 4.8 | 5.1 | signal |
| 30 | Device Occlusion | 17 | 4.8 | 4.8 | signal |
| 31 | Infusion Related Reaction | 80 | 4.7 | 4.8 | signal |
| 32 | Respiratory Tract Congestion | 19 | 4.7 | 4.7 | signal |
| 33 | Respiratory Tract Infection | 31 | 4.7 | 4.7 | signal |
| 34 | Viral Infection | 39 | 4.6 | 4.6 | signal |
| 35 | Influenza | 125 | 4.4 | 4.4 | signal |
| 36 | Spinal Pain | 13 | 4.3 | 4.3 | signal |
| 37 | Tachypnoea | 15 | 4.3 | 4.3 | signal |
| 38 | Rhinorrhoea | 70 | 4.2 | 4.3 | signal |
| 39 | Nasopharyngitis | 193 | 4.1 | 4.2 | signal |
| 40 | Atelectasis | 10 | 4.0 | 4.0 | signal |
| 41 | Productive Cough | 48 | 4.0 | 4.0 | signal |
| 42 | Tachycardia | 87 | 3.8 | 3.9 | signal |
| 43 | Heart Rate Increased | 95 | 3.7 | 3.8 | signal |
| 44 | Gait Inability | 28 | 3.3 | 3.3 | signal |
| 45 | Sinus Congestion | 11 | 3.2 | 3.2 | signal |
| 46 | Obstructive Airways Disorder | 9 | 3.1 | 3.1 | signal |
| 47 | Cyst | 10 | 3.1 | 3.1 | signal |
| 48 | Mitral Valve Incompetence | 9 | 3.1 | 3.1 | signal |
| 49 | Toothache | 14 | 3.0 | 3.0 | signal |
| 50 | Complication Associated With Device | 10 | 2.9 | 3.0 | signal |
| 51 | Body Height Decreased | 8 | 2.9 | 2.9 | signal |
| 52 | Hip Arthroplasty | 11 | 2.8 | 2.8 | signal |
| 53 | Hypoacusis | 31 | 2.8 | 2.8 | signal |
| 54 | Urticaria | 119 | 2.8 | 2.8 | signal |
| 55 | Ligament Sprain | 7 | 2.8 | 2.8 | signal |
| 56 | Retching | 15 | 2.7 | 2.8 | signal |
| 57 | Vomiting | 329 | 2.7 | 2.8 | signal |
| 58 | Ear Discomfort | 7 | 2.7 | 2.7 | signal |
| 59 | Pulmonary Congestion | 9 | 2.7 | 2.7 | signal |
| 60 | Influenza Like Illness | 55 | 2.6 | 2.6 | signal |
| 61 | Chills | 77 | 2.6 | 2.6 | signal |
| 62 | Procedural Pain | 18 | 2.5 | 2.5 | signal |
| 63 | Malaise | 286 | 2.5 | 2.6 | signal |
| 64 | Aspiration | 7 | 2.5 | 2.5 | signal |
| 65 | Gastroenteritis | 9 | 2.4 | 2.4 | signal |
| 66 | Dermatitis Contact | 7 | 2.4 | 2.4 | signal |
| 67 | Mobility Decreased | 43 | 2.3 | 2.4 | signal |
| 68 | Eyelid Oedema | 7 | 2.3 | 2.3 | signal |
| 69 | Feeling Cold | 16 | 2.2 | 2.2 | signal |
| 70 | Mass | 8 | 2.2 | 2.2 | signal |
| 71 | Pharyngitis | 7 | 2.2 | 2.2 | no signal |
| 72 | Neck Pain | 31 | 2.2 | 2.2 | signal |
| 73 | Bedridden | 7 | 2.1 | 2.1 | no signal |
| 74 | Device Issue | 46 | 2.1 | 2.1 | signal |
| 75 | Throat Irritation | 23 | 2.0 | 2.0 | signal |
| 76 | Joint Injury | 11 | 2.0 | 2.0 | signal |
| 77 | Covid-19 | 91 | 2.0 | 2.0 | signal |
| 78 | Wheezing | 30 | 2.0 | 2.0 | no signal |
| 79 | Discomfort | 30 | 1.9 | 1.9 | no signal |
| 80 | Abdominal Pain Upper | 98 | 1.9 | 1.9 | no signal |
| 81 | Pain In Extremity | 140 | 1.8 | 1.9 | no signal |
| 82 | Hypertensive Crisis | 5 | 1.7 | 1.7 | no signal |
| 83 | Throat Tightness | 12 | 1.7 | 1.7 | no signal |
| 84 | Flushing | 45 | 1.7 | 1.7 | no signal |
| 85 | Panic Attack | 16 | 1.7 | 1.7 | no signal |
| 86 | Nerve Compression | 4 | 1.7 | 1.7 | no signal |
| 87 | Accident | 5 | 1.6 | 1.6 | no signal |
| 88 | Hypokinesia | 6 | 1.6 | 1.6 | no signal |
| 89 | Salivary Hypersecretion | 4 | 1.6 | 1.6 | no signal |
| 90 | Hypotonia | 4 | 1.6 | 1.6 | no signal |
| 91 | Cold Sweat | 7 | 1.5 | 1.5 | no signal |
| 92 | Hand Deformity | 5 | 1.5 | 1.5 | no signal |
| 93 | Rash Generalised | 10 | 1.5 | 1.5 | no signal |
| 94 | Sneezing | 8 | 1.4 | 1.4 | no signal |
| 95 | Crying | 13 | 1.4 | 1.4 | no signal |
| 96 | Tooth Extraction | 4 | 1.3 | 1.3 | no signal |
| 97 | Surgery | 17 | 1.1 | 1.1 | no signal |
| 98 | Injection Site Discomfort | 3 | 1.1 | 1.1 | no signal |
| 99 | Knee Arthroplasty | 6 | 1.1 | 1.1 | no signal |
| 100 | Intentional Self-injury | 5 | 1.0 | 1.0 | no signal |
| 101 | Product Preparation Error | 5 | 0.9 | 0.9 | no signal |
| 102 | Injection Site Rash | 6 | 0.8 | 0.8 | no signal |
| 103 | Drug Administration Error | 6 | 0.8 | 0.8 | no signal |
| 104 | Incorrect Drug Administration Duration | 5 | 0.7 | 0.7 | no signal |
| 105 | Device Dislocation | 6 | 0.5 | 0.5 | no signal |
| 106 | Drug Dose Omission | 23 | 0.5 | 0.5 | no signal |
| 107 | Device Malfunction | 9 | 0.5 | 0.5 | no signal |