1. Dizziness in upright position or while standing up
2. Dizziness, feeling that you are going to faint
3. Palpitations, high pulse, or feeling heart beating irregularly
4. Difficult breathing/dyspnoea, both at effort and rest
5. Chest pain
6. Headache
7. Concentration difficulties and/or problems with thinking
8. Muscle pain
9. Nausea
10. Gastrointestinal problems (stomach-ache, diarrhoea, constipation)
11. Abnormal tiredness that persists after rest
12. Insomnia