Prolactin/ Galactorrhoea Flashcards
1
Q
Is prolactin secreted from the anterior or posterior pituitary gland?
A
anterior pituitary gland with
2
Q
What hormone inhibits prolactin from being released?
A
Dopamine
3
Q
What class of drug is used to control galactorrhoea?
A
dopamine AGONISTS
e.g. Bromocriptine
4
Q
Clinical features of excess prolactin
A
Men:
- impotence
- loss of libido
- galactorrhoea
Women:
- amenorrhoea
- galactorrhoea
5
Q
Causes of excess prolactin
A
- prolactinoma
- pregnancy
- oestrogens
- physiological: stress, exercise, sleep
- acromegaly
- PCOS
- primary hypothyroidism
6
Q
What drugs can cause a raised prolactin?
A
- metoclopramide
- domperidone
- phenothiazines
- haloperidol
- very rare: SSRIs, opioids
