Table 6.

Possible causes of ED and Routine Investigations in Primary Care

Possible causes	Routine investigations in primary care
1. Diabetes mellitus 2. Atherosclerosis and ischaemic heart disease 3. Endocrine, cardiology or neurological referral may be indicated 4. Prostate cancer 5. Hypogonadism and hypopituitarism 6. Prolactinoma 7. Multiple sclerosis 8. Parkinson’s disease 9. Alcoholism 10. Obesity 11.Medication related 12. Smoking 13. Other neurological disease 14. Stress 15. Depression 16. Psychological	1. Blood tests Full blood count Urea and electrolytes Lipids 2. Liver function tests 3. Glycated haemoglobin (HbA1c) 4. Prostate-specific antigen test 5. Prolactin 6. Testosterone

Possible causes

Routine investigations in primary care

1. Diabetes mellitus

2. Atherosclerosis and ischaemic heart disease

3. Endocrine, cardiology or neurological referral may be indicated

4. Prostate cancer

5. Hypogonadism and hypopituitarism

6. Prolactinoma

7. Multiple sclerosis

8. Parkinson’s disease

9. Alcoholism

10. Obesity

11.Medication related

12. Smoking

13. Other neurological disease

14. Stress

15. Depression

16. Psychological

1. Blood tests

Full blood count

Urea and electrolytes

Lipids

2. Liver function tests

3. Glycated haemoglobin (HbA1c)

4. Prostate-specific antigen test

5. Prolactin

6. Testosterone