Your Health: Managing PMS

Pregnancy – and motherhood – wouldn’t be possible without that monthly visitor we all know so well, but we definitely could do without those premenstrual symptoms that come knocking on our door like clockwork. We’ve teamed up with the Royal College of Obstetricians and Gynaecologists (RCOG) to bring you trusted medical information, and they’ve recently updated their guidelines on how to best manage those PMS symptoms. So, we’re bringing their latest recommendations directly to you so you can live your best life even when that time of the month rolls around. Here are their guidelines:

Let’s start with the basics: What is PMS? 

PMS is the name given to the physical and emotional symptoms affecting your daily life in the 2 weeks before you have your period. These symptoms usually get better once your period starts and often disappear by the end of your period.

Nearly all women have some premenstrual symptoms. Each woman’s symptoms are different, but the most common include:

  • Mood swings
  • Feeling depressed, irritable or bad-tempered
  • Feeling upset, anxious or emotional
  • Tiredness or having trouble sleeping
  • Headaches
  • Changes in appetite and food cravings
  • Feeling clumsy
  • Fluid retention and feeling bloated
  • Changes in skin or hair
  • Sore or tender breasts

Symptoms can vary from month to month, although they tend to form a pattern over time.

Between 2 and 4 in 100 women get PMS that is severe enough to prevent them from getting on with their daily lives. A very small number of women get an even more intense form of PMS known as Premenstrual Dysphoric Disorder (PMDD), which is not covered here, but if you do have questions about this you should discuss it with your healthcare professional.


I know that PMS is related to my period, but what actually causes it? 

The exact cause of PMS is not known. It could be linked to changes in the levels of your hormones and body chemicals.

The levels of your hormones change during your menstrual cycle. Some women are more sensitive to these hormonal changes, which can lead to the symptoms described. Women who use some forms of hormonal contraception are less affected by PMS. PMS has also been linked to a variety of chemical substances in your blood called neurotransmitters, such as serotonin and gamma-aminobutyric acid (GABA).

How do I know if what I’m experiencing is PMS?

If you are getting regular symptoms, you should write them down in a diary for at least two menstrual cycles in a row. Your healthcare professional will then review your diary with you to see whether your symptoms fit the pattern of PMS.

If your symptom diary alone is not enough for diagnosis, you may be offered treatment with gonadotrophin-releasing hormone (GnRH) analogs for a period of 3 months. This will temporarily stop your ovaries producing hormones, which may help with your diagnosis.



What are my options for managing PMS?

There is a wide range of options to help you to manage your symptoms and allow you to get on with your daily life. Your healthcare professional will discuss these with you.

Whatever option you choose, you will be advised to continue to keep a diary of your symptoms for at least another 2–3 months, as this can help to see whether a particular treatment is working.


Lifestyle changes that help PMS: 

In the first instance, you can take some positive steps to try to improve your symptoms by:

  • Exercising more frequently
  • Eating a healthy balanced diet – the NHS Choices website can provide more information about a healthy diet
  • Trying to reduce and manage stress – through things like meditation, yoga, and mindfulness.


Psychological support for managing PMS: 

Cognitive behavioral therapy (CBT) is known to help PMS symptoms and should be offered to you as a treatment option. This involves discussing your symptoms with a therapist. It can help you learn new ways of managing some of your symptoms to reduce their impact on your daily life.


Complementary therapies for managing PMS: 

There are several alternative (complementary) therapies for PMS. Many women find these helpful, although there is little evidence to show that they are effective. You should inform your healthcare professional if you are taking any medicine or supplement. This is because some complementary therapies may react with other medicines. Supplements of calcium, Vitamin D, Vitex agnus-castus (a herb known as chaste berry) or Ginkgo biloba may be helpful. Evening primrose oil can reduce breast tenderness.


Medical treatment for PMS: 

1. Non-hormonal medical treatment: Two types of antidepressant medications have been shown to help PMS symptoms, namely selective serotonin reuptake inhibitors (SSRIs) and serotonin–noradrenaline reuptake inhibitors (SNRIs).

  • Antidepressants should only be prescribed by a healthcare professional. These can be taken on a daily basis for 2 weeks before your period or all the way through your cycle.
  • Side effects may include nausea (feeling sick), insomnia (difficulty sleeping), tiredness and low libido (not being interested in having sex).
  • SSRIs are recommended as one of the first-choice treatments for severe PMS.

If you are planning a pregnancy or if you get pregnant you will want to talk to your healthcare professional before stopping any of the above medication.

Water tablets (diuretics) such as spironolactone may help some women with some physical symptoms of PMS

2. Hormonal medical treatment

Combined oral contraceptive pill: Some women find using the combined oral contraceptive pill helps with PMS symptoms. Newer types of contraceptive pills containing a progestogen called drospirenone have been shown to improve PMS symptoms. These are considered as first-choice treatments. You may be advised to take these pills continuously, without a break, for better symptom control.

Estrogen hormone patches or gel: Using estrogen hormone patches or gel can improve the physical and psychological symptoms of PMS.

Unless you have had a hysterectomy (removal of your uterus), estrogen hormone patches or gel must be used in combination with a low dose of the hormone progestogen to prevent abnormal thickening of the lining of your womb. Progestogens may be given in the form of tablets (taken for a minimum of 10 days each month), pessaries or a hormone-containing coil.

Estrogen hormone patches or gel do not work as a contraceptive and so you will still need to use a method of birth control.

Danazol: Danazol (a synthetic hormone) in low doses can sometimes be used in the second half of your menstrual cycle to reduce breast tenderness. However, your healthcare professional should discuss with you the potential permanent side effects, such as deepening of your voice and enlargement of your clitoris.

It is important to use contraception while using danazol because it can negatively affect the development of a female baby in the uterus.

Gonadotrophin-releasing hormone (GnRH analogs): GnRH analogs may be recommended if you have severe PMS symptoms and when other treatments have not worked or are not suitable. These may also be used to help reach a diagnosis in some women.

These medicines cause a temporary and reversible menopause so you will not release eggs and you will not have any periods. If you use GnRH analogs for more than 6 months, it may affect your bone strength (osteoporosis). You will be advised to take hormone replacement therapy (HRT) to protect your bones and reduce your menopausal symptoms, such as hot flushes. You will be advised to have regular bone density scans to check for osteoporosis if you use this treatment for more than 2 years. You should also make sure that you get regular exercise, have a balanced diet and do not smoke if on GnRH analogs.


In severe cases, surgical treatment for PMS:

Your healthcare professional will only suggest surgical treatment if you have severe symptoms and all other treatments have not helpedRemoval of your uterus along with both ovaries and fallopian tubes can help to improve severe PMS symptoms by making you menopausal.

If you have surgical treatment for PMS, you may be advised to use HRT to prevent menopausal symptoms. If your uterus and ovaries have been removed, this will be estrogen-only HRT. If you still have your uterus, you will need both estrogen and progestogen. Progestogens protect the lining of your uterus, but may then re-introduce symptoms of PMS. 

If you are considering surgical treatment, your healthcare professional will advise you to use GnRH analogs and HRT for 3–6 months before surgery. GnRH analogs have a similar effect on your hormones as having your ovaries removed and will give you an idea of how you may feel after the operation. You may also be able to see whether you will benefit from surgery and whether HRT suits you.

Surgical treatment such as endometrial ablation or hysterectomy without removal of both ovaries is not recommended for treatment of PMS


At what stage of treatment should I be referred to a gynecologist?

If simple measures such as combined pills or SSRIs have not worked, your GP will refer you to a specialist. A team of healthcare professionals may be involved in your care, including your GP, a nurse specialist, a dietician, a mental health professional, and gynecologists. The make-up of the team will depend on the hospital you attend.

Further information you may find helpful:

PMS is common and many women are affected by its symptoms. Treatment, information, and support are available to enable you to manage your symptoms.

  1. National Association for Premenstrual Syndrome (NAPS)
  2. Women’s Health Concern (WHC), the patient arm of the British Menopause Society (BMS):
  3. NHS Choices – Premenstrual dysphoric disorder (PMDD)
  4. Mind – Premenstrual dysphoric disorder (PMDD)
  5. A full list of useful organizations is available on the RCOG website

This information has been developed by the RCOG Patient Information Committee. It is based on the RCOG Green-top Guideline No.48, Management of Premenstrual Syndrome. The guideline contains a full list of the sources of evidence we have used. You can find it online at:

Want more expert advice and information on your reproductive health? Check out our free ios app!


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