| # | Side effect | Count |
|---|---|---|
| 0 | FATIGUE | 20509 |
| 1 | MULTIPLE SCLEROSIS RELAPSE | 15247 |
| 2 | HEADACHE | 10830 |
| 3 | DRUG INEFFECTIVE | 10129 |
| 4 | OFF LABEL USE | 10123 |
| 5 | GAIT DISTURBANCE | 9234 |
| 6 | MULTIPLE SCLEROSIS | 8521 |
| 7 | ASTHENIA | 8368 |
| 8 | FALL | 8075 |
| 9 | MALAISE | 8044 |
| # | Side effect | Count | Frequency |
|---|---|---|---|
| 0 | THERAPEUTIC REACTION TIME DECREASED | 1101 | 0.8872 |
| 1 | DRUG DELIVERY DEVICE IMPLANTATION | 121 | 0.5500 |
| 2 | INFUSION SITE HAEMATOMA | 141 | 0.4578 |
| 3 | LOSS OF THERAPEUTIC RESPONSE | 250 | 0.4554 |
| 4 | JC VIRUS TEST POSITIVE | 382 | 0.4515 |
| 5 | POOR VENOUS ACCESS | 2387 | 0.3996 |
| 6 | NEUTRALISING ANTIBODIES POSITIVE | 113 | 0.3767 |
| 7 | AGRAPHIA | 185 | 0.3537 |
| 8 | GENERAL SYMPTOM | 2193 | 0.3513 |
| 9 | OPPORTUNISTIC INFECTION | 461 | 0.3158 |