Not everyone needs treatment for prolactinoma.
Medication is usually successful in treating prolactinoma. Surgery is done in some cases where the tumor may damage vision.
In women, treatment can improve:
- Irregular menstruation
- Loss of sexual interest
- Milk flow that is not due to childbirth or nursing
Men should be treated when they have:
- Decreased sexual drive
Large prolactinomas usually must be treated to prevent vision loss.
Bromocriptine and cabergoline are drugs that reduce prolactin levels in both men and women. Some people have to take these drugs for life, but some people can stop taking them, especially if their tumor has disappeared from the MRI. If you stop taking the drug, however, there is a risk that the tumor may grow and produce prolactin again, especially if it is a large tumor.
Most people respond well to these drugs. However, large prolactinomas are harder to treat. Both drugs may cause dizziness and upset stomach.
Radiotherapy is usually only used in patients with prolactinoma that continues to grow or gets worse after both medication and surgery. It may be given in the form of: