Table 2 Number of cases with adverse events after norepinephrine (NE) and placebo injections
From: Norepinephrine-evoked pain in fibromyalgia. A randomized pilot study ISCRTN70707830
| Fibromyalgia | Rheumatoid Arthritis | Healthy Controls | ||||
|---|---|---|---|---|---|---|
| (n = 20) | (n = 20) | (n = 20) | ||||
| placebo | NE | placebo | NE | placebo | NE | |
| Spreading of pain | 0 | 8 | 0 | 0 | 0 | 0 |
| Pale halo | 0 | 3 | 0 | 1 | 0 | 1 |
| Paresthesias | 5 | 2 | 4 | 3 | 5 | 2 |
| Palpitations | 0 | 1 | 0 | 0 | 0 | 0 |
| Sweating | 0 | 1 | 0 | 0 | 0 | 0 |
| Distal swelling | 0 | 1 | 0 | 0 | 0 | 0 |