Dr. Alison Shea

Dr. Alison SheaDr. Alison SheaDr. Alison Shea
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  • More
    • Home
    • PMS/ PMDD
    • Menopause
    • Sexual Health
    • Resources
    • Research Studies
    • Dr. Shea in the Media

Dr. Alison Shea

Dr. Alison SheaDr. Alison SheaDr. Alison Shea
  • Home
  • PMS/ PMDD
  • Menopause
  • Sexual Health
  • Resources
  • Research Studies
  • Dr. Shea in the Media

Premenstrual Syndrome (PMS)

What is PMS?

How common is PMS?

How common is PMS?

  80-90% of women experience symptoms alerting them about the upcoming menstruation: breast tenderness, bloating, acne, cravings, Joint pain, irritability, headaches, migraines


Appears to worsen in the 30-40s 

How common is PMS?

How common is PMS?

How common is PMS?

Very common: up to 90% of women.


Symptoms are severe in 3-5% of women, which is called premenstrual dysphoric disorder (PMDD).


Severe symptoms can significantly affect quality of life, relationships and ability to function.


Severe symptoms may be associated with suicidal ideation. 

What is PMDD?

How common is PMS?

What can I do to help myself?

Severe PMS with one of :

  • Marked affective lability (mood swings, sad or tearful, sensitivity to rejection)
  • Marked irritability or anger or interpersonal conflicts
  • Marked depressed mood, hopelessness or self-depreciating thoughts
  • Marked anxiety, tension, or being on edge

What can I do to help myself?

What can I do to help myself?

What can I do to help myself?

There is evidence for exercise, Vitamin B6 (100mg), Vitamin D (1000 IU), optimizing calcium intake (1200mg), magnesium supplementation (up to 1000mg), Vitex (Chaste tree).


Cognitive behavioural therapy (CBT) can also help. 

Symptom tracker

What can I do to help myself?

Medication options

Download the chart here.  Two months of prospective tracking are required to make a diagnosis of PMDD.

https://www.stjoes.ca/women-s-health-concerns-clinic/women-s-health-concerns-clinic/women-s-health-concerns-clinic/women-s-health-concerns-clinic/mac-pmdd.pdf

Medication options

What can I do to help myself?

Medication options

Hormonal suppression: combined oral contraceptive pill (taken continuously or in the usual fashion); other hormone therapy; GnRH agonists (Lupron). 


Serotonergic reuptake inhibitors (SSRIs or SNRIs)


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