Medicine Name: Espin 2.5 Tablet. Composition: S-Amlodipine (2.5mg). Side Effects: Ankle swelling Dizziness Fatigue Flushing sense of warmth in the face ears neck and trunk Headache Palpitations Abdominal pain Muscle cramp Nausea Sleepiness Visual disturbance Dyspepsia Breathlessness Change in bowel habits.