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Types of Symptoms
| Symptoms | Number (%) |
|---|---|
| Central (headache, spinning sensation, light headedness, malaise) | 156 (31.20) |
| Gastrointestinal (nausea, belching, vomiting) | 142 (28.40) |
| Sopite (withdrawl, apathy, lethargy) | 116 (23.20) |
| Peripheral (sweating, cold/warm sensation, salivation) | 86 (17.20) |
