Drug
Ublituximab
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 | Infusion Related Reaction | 1,412 | 121.1 | 192.8 | signal |
| 2 | Brain Fog | 32 | 12.2 | 12.3 | signal |
| 3 | Drug Effect Less Than Expected | 22 | 8.7 | 8.7 | signal |
| 4 | Multiple Sclerosis | 75 | 8.7 | 8.8 | signal |
| 5 | Covid-19 Pneumonia | 18 | 8.4 | 8.4 | signal |
| 6 | Multiple Sclerosis Relapse | 94 | 7.6 | 7.7 | signal |
| 7 | Oral Herpes | 19 | 5.4 | 5.4 | signal |
| 8 | Illness | 97 | 5.4 | 5.5 | signal |
| 9 | Upper Respiratory Tract Infection | 42 | 5.1 | 5.1 | signal |
| 10 | Maternal Exposure During Pregnancy | 80 | 5.0 | 5.1 | signal |
| 11 | Bladder Disorder | 9 | 5.0 | 5.0 | signal |
| 12 | Therapeutic Response Shortened | 25 | 4.4 | 4.4 | signal |
| 13 | Blood Test Abnormal | 11 | 4.3 | 4.4 | signal |
| 14 | Glomerular Filtration Rate Decreased | 9 | 4.1 | 4.1 | signal |
| 15 | Infusion Site Pain | 9 | 3.9 | 3.9 | signal |
| 16 | Temperature Intolerance | 7 | 3.8 | 3.8 | signal |
| 17 | Immunodeficiency | 10 | 3.8 | 3.8 | signal |
| 18 | Respiratory Tract Infection | 17 | 3.6 | 3.6 | signal |
| 19 | Skin Infection | 7 | 3.5 | 3.5 | signal |
| 20 | Pharyngeal Swelling | 6 | 3.5 | 3.5 | signal |
| 21 | Lymphocyte Count Decreased | 11 | 3.5 | 3.5 | signal |
| 22 | Blood Iron Decreased | 7 | 3.3 | 3.3 | signal |
| 23 | Sluggishness | 6 | 3.3 | 3.3 | signal |
| 24 | Urinary Tract Infection | 99 | 3.2 | 3.3 | signal |
| 25 | Aphonia | 8 | 3.2 | 3.2 | signal |
| 26 | Lymphopenia | 8 | 3.2 | 3.2 | signal |
| 27 | Muscle Tightness | 9 | 3.1 | 3.1 | signal |
| 28 | Tooth Infection | 7 | 2.9 | 2.9 | signal |
| 29 | Inappropriate Schedule Of Product Administration | 88 | 2.8 | 2.8 | signal |
| 30 | Balance Disorder | 43 | 2.8 | 2.8 | signal |
| 31 | Herpes Zoster | 28 | 2.7 | 2.7 | signal |
| 32 | Pharyngitis Streptococcal | 5 | 2.6 | 2.6 | no signal |
| 33 | Kidney Infection | 9 | 2.5 | 2.5 | signal |
| 34 | Cognitive Disorder | 21 | 2.5 | 2.5 | signal |
| 35 | Eye Infection | 5 | 2.5 | 2.5 | no signal |
| 36 | Central Nervous System Lesion | 6 | 2.4 | 2.4 | no signal |
| 37 | Spinal Pain | 5 | 2.4 | 2.4 | no signal |
| 38 | Covid-19 | 73 | 2.3 | 2.3 | signal |
| 39 | Knee Operation | 4 | 2.3 | 2.3 | no signal |
| 40 | Memory Impairment | 56 | 2.3 | 2.3 | signal |
| 41 | Nasopharyngitis | 75 | 2.3 | 2.3 | signal |
| 42 | Muscle Spasticity | 5 | 2.2 | 2.2 | no signal |
| 43 | Influenza Like Illness | 33 | 2.2 | 2.2 | signal |
| 44 | Anosmia | 5 | 1.9 | 1.9 | no signal |
| 45 | Haemorrhage Intracranial | 5 | 1.8 | 1.8 | no signal |
| 46 | Spinal Operation | 4 | 1.8 | 1.8 | no signal |
| 47 | Abortion Spontaneous | 12 | 1.7 | 1.7 | no signal |
| 48 | Breast Cancer Female | 3 | 0.6 | 0.6 | no signal |
| 49 | Bladder Cancer | 3 | 0.3 | 0.3 | no signal |