| # | Side effect | Count |
|---|---|---|
| 0 | MULTIPLE SCLEROSIS RELAPSE | 14778 |
| 1 | INFLUENZA LIKE ILLNESS | 12800 |
| 2 | FATIGUE | 11118 |
| 3 | FALL | 10102 |
| 4 | GAIT DISTURBANCE | 8582 |
| 5 | MULTIPLE SCLEROSIS | 8581 |
| 6 | HEADACHE | 8057 |
| 7 | MEMORY IMPAIRMENT | 7598 |
| 8 | PAIN | 7366 |
| 9 | ASTHENIA | 6081 |
| # | Side effect | Count | Frequency |
|---|---|---|---|
| 0 | ANTI-INTERFERON ANTIBODY POSITIVE | 63 | 0.6774 |
| 1 | NEEDLE FATIGUE | 197 | 0.6396 |
| 2 | FEAR OF NEEDLES | 108 | 0.6171 |
| 3 | PROCEDURAL ANXIETY | 272 | 0.5690 |
| 4 | AGRAPHIA | 179 | 0.3423 |
| 5 | NEUROMYELITIS OPTICA | 110 | 0.3293 |
| 6 | DRUG DELIVERY DEVICE IMPLANTATION | 70 | 0.3167 |
| 7 | GENERAL SYMPTOM | 1940 | 0.3108 |
| 8 | PROGRESSIVE MULTIPLE SCLEROSIS | 296 | 0.3027 |
| 9 | SECONDARY PROGRESSIVE MULTIPLE SCLEROSIS | 452 | 0.2809 |