HELP WITH PMS & PMDD
What are PMS and PMDD?
Symptoms, diagnosis and specialist care
Understanding cyclical mood and physical symptoms
Severe premenstrual syndrome (PMS) and premenstrual dysphoric disorder (PMDD) are hormone-related conditions that can significantly affect emotional wellbeing, physical health, relationships, and work.
It is believed that symptoms reflect a heightened biological sensitivity to the normal hormonal changes of the menstrual cycle. It benefits from careful assessment and individualised treatment.
PMS and PMDD: what is the difference?
Premenstrual syndrome (PMS)
PMS describes a cyclical pattern of physical, emotional, and behavioural symptoms that occur during the luteal phase of the menstrual cycle, usually in the one to two weeks before a period, and improve once menstruation begins.
Symptoms vary widely and may include:
- Low mood, anxiety, irritability, or tearfulness
- Fatigue, brain fog, and reduced concentration
- Sleep disturbance
- Bloating, breast tenderness, headaches, or joint pain
- Appetite changes or food cravings
For some people, symptoms are mild. For others, PMS can have a significant impact on daily functioning and quality of life. Symptoms may change or worsen during periods of hormonal transition, including perimenopause.
Premenstrual dysphoric disorder (PMDD)
PMDD is a severe form of premenstrual disorder and is a recognised medical condition.
It is characterised by marked mood symptoms that are:
- Clearly cyclical
- Closely linked to the luteal phase (the time following ovulation and before your period starts)
- Relieved once menstruation begins
- Severe enough to cause significant impairment in work, relationships, or daily life
Common features include:
- Severe low mood, despair, or emotional overwhelm
- Intense anxiety or inner agitation
- Irritability, anger, or rage that feels out of character
- Heightened emotional sensitivity or reactivity
- Loss of motivation, joy, or emotional control
Some people experience intrusive thoughts or suicidal ideation during the luteal phase. These symptoms require prompt, compassionate, specialist support.
Why do PMS and PMDD happen?
Hormonal sensitivity rather than hormone imbalance
Most people with PMS or PMDD have normal hormone levels. Blood tests are usually unremarkable.
Current understanding suggests that symptoms arise from an increased sensitivity of the brain to normal hormonal fluctuations, particularly changes in progesterone and oestrogen after ovulation.
These hormonal shifts can influence:
- Neurotransmitters involved in mood and emotional regulation
- Stress response pathways
- Sleep and energy regulation
- Cognitive processing and impulse control
PMDD is increasingly understood as a neurobiological condition, with genetic and neurological factors influencing vulnerability.
PMS, PMDD, and mental health
PMS and PMDD can coexist with anxiety, depression, trauma histories, or neurodivergent traits, which can sometimes delay or complicate diagnosis.
Key distinguishing features of PMS/PMDD include:
- Predictable cyclical timing
- Hormone-linked symptom onset and resolution
- Different treatment responses compared with primary mood disorders
Accurate diagnosis reduces mislabelling and supports more effective care.
PMS, PMDD, and perimenopause
Hormonal fluctuations often become more pronounced during perimenopause.
Many people notice:
- Worsening premenstrual symptoms
- Longer or more unpredictable symptom windows
- Reduced effectiveness of previously helpful strategies or treatments
Specialist menopause input can be particularly valuable when symptoms escalate in midlife.
Treatment options for PMS and PMDD
There is no one-size-fits-all treatment. Management should be individualised, evidence-based, and reviewed regularly.
Lifestyle and supportive strategies
Lifestyle approaches can support overall wellbeing and may reduce symptom burden, particularly in milder PMS.
These may include:
- Regular meals and stable blood sugar
- Sleep support and stress management
- Gentle, consistent physical activity
- Psychological support, including cognitive behavioural approaches
For PMDD, lifestyle measures alone are usually insufficient but support medical treatment.
Antidepressant medication (SSRIs)
SSRIs are an evidence-based treatment for moderate to severe PMS and PMDD.
Key points:
- These work in a different way to when being used for depression or anxiety
- In PMDD, we are using SSRIs for their action on GABA pathways involved in hormone-related mood changes
- They can be taken continuously or only during the luteal phase
- Lower doses than those used for depression are often effective
- Improvement can occur relatively quickly when using SSRI in PMDD – often within a few days.
Hormonal treatment options
Hormonal treatments aim to reduce or stabilise ovulation-related hormonal fluctuations.
Options may include:
- Certain combined hormonal contraception or progesterone only pills taken continuously, which are known to work well for PMS/PMDD.
- Transdermal oestrogen with appropriate progesterone or progestogen
- Other ovulation suppression strategies
Sensitivity to progesterone is common in PMDD, and careful choice of type, dose, and route is essential.
Our specialist approach to PMDD
PMDD is a complex, hormone-sensitive condition that requires careful diagnosis, experience, and a thoughtful, individualised approach.
We have particular expertise in assessing and managing PMDD using evidence-based, first- and second-line treatments, including detailed cycle assessment, symptom tracking, and personalised medical management. We are experienced in supporting people whose symptoms have been misunderstood, mislabelled, or previously dismissed.
Our focus is on:
- Ensuring the diagnosis is accurate and well supported
- Exploring medical and non-medical treatment options thoroughly
- Optimising treatments that are most appropriate and sustainable for the individual
- Providing continuity of care and regular review
We do not offer GnRH analogues or surgical treatment within our clinic. Where needed, we support patients by providing clear assessment, documentation, and guidance, and by signposting to appropriate specialist services for further consideration.
Our aim is to offer informed, compassionate care at the right level, helping people feel understood and supported while avoiding unnecessary or premature escalation.
Ovarian suppression and specialist treatments
In severe cases, temporary ovarian suppression with GnRH analogues may be considered to confirm hormonal causes of symptoms and provide symptom relief.
This is a specialist treatment, requires careful monitoring, and includes add-back hormones to protect long-term bone and cardiovascular health. GnRH analogues are usually prescribed by gyanecologists rather than menopause specialists and are not something we prescribe at Manchester Menopause Hive.
Surgical treatment for severe, treatment-resistant PMDD
Surgical menopause is rarely required but may be considered in a small number of carefully selected cases.
This is only appropriate when:
- Diagnosis is clear and well documented
- Medical treatments have been fully explored
- There has been a clear response to ovarian suppression
This pathway requires specialist, multidisciplinary care and careful long-term planning.
Safety and urgent support
For some people, particularly those with PMDD, premenstrual symptoms can include thoughts of self-harm, feeling unsafe, or a sense of losing emotional control during the luteal phase.
If this is something you experience, it is important to know that:
- These symptoms are recognised as part of severe premenstrual disorders
- You are not weak or failing
- Help is available, and you do not have to manage this alone
When to seek urgent help
Please seek urgent support if you:
- Feel at risk of harming yourself
- Have thoughts of suicide or feel unable to keep yourself safe
- Feel emotionally overwhelmed in a way that feels frightening or unmanageable
Where to get help
If you are in the UK:
- Contact your GP urgently or request a same-day appointment
- Call NHS 111 for urgent mental health advice
- In an emergency, call 999 or attend A&E
You can also contact:
- Samaritans on 116 123 (24 hours a day)
- Shout by texting 85258 for confidential text support
If you are outside the UK, please seek urgent help from local emergency or crisis services.
Key points at a glance
- PMS and PMDD are hormone-related conditions
- PMDD is a recognised, severe condition
- Diagnosis depends on symptom timing, not blood tests
- Effective treatments exist and should be tailored
- Specialist care can make a meaningful difference
Further information and support
If you would like to learn more about PMS and PMDD, the following organisations provide reliable, evidence-informed information and support.
National Association for Premenstrual Syndromes (NAPS)
A UK-based charity offering information on PMS and PMDD, symptom tracking, and treatment approaches.
https://www.naps.org.uk
International Association for Premenstrual Disorders (IAPMD)
An international organisation providing education, advocacy, symptom tracking tools, and peer support for PMDD and related conditions.
https://www.iapmd.org
The PMDD Project (UK)
A UK-based charity raising awareness, offering educational resources and supportive content for people living with PMDD. The PMDD Project UK
RCOG – Managing Premenstrual Syndrome
Contextual information on lifestyle approaches and when to discuss treatments with your healthcare professional. RCOG PMS guidance
PMS and PMDD FAQs
Is PMDD the same as depression?
No. PMDD is cyclical and hormonally triggered, with different treatment approaches from primary depressive disorders.
How long does it take to find the right treatment?
This varies. Some people respond quickly to first-line treatments, while others need a period of careful adjustment. Finding the right approach can take time, particularly in PMDD or during perimenopause, but improvement is very possible with specialist support.
What if I have symptoms most of the month?
If symptoms extend beyond the luteal phase, this may suggest:
- Perimenopausal hormonal variability
- Premenstrual exacerbation of an underlying condition
- A different primary diagnosis
This is why detailed symptom tracking and specialist assessment are important.
Can PMS or PMDD be mistaken for bipolar disorder?
Yes. Severe cyclical mood symptoms can sometimes be misdiagnosed as bipolar disorder. Key differences include the predictable timing of symptoms in PMS or PMDD and a clear symptom-free window after menstruation. Accurate diagnosis is essential to avoid inappropriate treatment.
Do symptoms always improve once periods stop?
Not always. Some people find that symptoms improve after menopause, while others notice worsening symptoms during perimenopause due to increased hormonal variability. For those who undergo surgical menopause, symptoms may resolve if ovulation is the trigger, but this requires careful specialist assessment and long-term planning.
Can diet or supplements cure PMS or PMDD?
Some people find that regular meals, reducing blood sugar fluctuations, or addressing deficiencies can help support symptoms. There is some evidence for certain supplements, although often these are most effective when used alongside other adjustments.
Are PMS or PMDD linked to trauma or neurodivergence?
PMS and PMDD are hormone-related conditions, but they can coexist with trauma histories or neurodivergent traits. In some individuals, hormonal sensitivity may amplify emotional responses or stress reactivity. This does not mean symptoms are psychological in origin, but it can influence how they are experienced and managed. A trauma-informed, individualised approach is important.
Can PMS or PMDD affect work and relationships?
Yes. Both PMS and PMDD can significantly affect concentration, emotional regulation, communication, and stress tolerance. Many people describe feeling unlike themselves in the premenstrual phase, which can strain relationships and make work feel much harder. Recognising the cyclical pattern and accessing appropriate treatment can make a meaningful difference.
Do hormone blood tests diagnose PMS or PMDD?
No. Hormone levels are usually normal. Diagnosis is based on symptom pattern and timing.
Can PMS or PMDD start later in life?
Yes. Symptoms often emerge or worsen in the late 30s and 40s, particularly during perimenopause.
