Muscle pain, tiredness, a general feeling of being unwell or weakness, headache, sleepiness, problems with focussing your eyes, palpitations, chest pain, giddiness, dizziness, swelling, faintness or dizziness when standing up from a sitting or lying position, shortness of breath, runny nose (rhinitis), constipation, indigestion, an increased desire or need to urinate and delayed ejaculation.