Nausea Before Period PMS or Pregnancy: Causes,Symptoms,Treatments

Nausea before period is both a pre menstrual syndrome and an early pregnancy symptom.

Why am I having nausea before period?. Is it normal to have PMS nausea or period nausea. Or is it a sign of pregnancy. Feeling nauseous before menstruation is caused by a variety of reasons and it can be extreme, accompanied with cramps, headaches and dizziness.

What is Nausea?

Nausea is an unpleasant sensation that is accompanied by the urge or feeling to vomit or throw up.

Nausea is a PMS Symptom and also an early pregnancy symptom. So it can be quite confusing for women to differentiate between having a pre-period nausea or a pregnancy nausea.

Is IT Normal to feel Nauseous before period?

Yes, it is normal to feel nauseous before your expected period is due.

Nausea is a PMS symptom just like headaches, mood swings, acne, bloating, breast pain, weight gain and so on.

There are about 150 PMS symptoms and it varies from woman to woman.​

Some women are prone to having premenstrual syndrome (PMS) as they approach their period.  PMS can start as early as 1 or 2 weeks before your period is due.  It could happen every month or occasionally.

Most women with PMS nausea feel sick days before periods.

It is important to know that not all women get nausea and vomitting as a symptoms of PMS.

Causes of waves of Nausea Before Period

The main cause of PMS is unknown but here are the reasons why you could feel sick before your period:

1. Hormonal Changes

Throughout the menstrual cycle, your levels of hormones change depending on what stage of your cycle you are in.

The rise and fall of estrogen and progesterone hormone are one of the numerous causes of PMS.

Estrogen is the dorminant hormone in the first half of the menstrual cycle (follicular phase).

When estrogen reaches its peak, luteinising hormone is produced which triggers ovulation.​

When the luteinising hormone is produced, the level of estrogen hormones starts to decline rapidly.

After ovulation, progesterone hormone is produced by the corpus luteum.​

If no pregnancy occurs after ovulation, the progesterone reaches its peak at around a week after ovulation and starts to fall because it's no longer needed to thicken the lining of the uterus.

Image Source: https://womeninbalance.org/about-hormone-imbalance/

The low levels of estrogen and progesterone hormones during ovulation, before and during period are one of the numerous causes of nausea and vomiting.

Hormonal fluctuations for some women, can also cause the stomach to produce more intestinal juice which leads to mild nausea.

2. Pregnancy

Nausea is an early sign of pregnancy. Up to 75% of women feel nauseated during the first trimester. For some women, nausea can remain constant even in the second and third trimester.

Nausea and vomitting is known as morning sickness. Don't let the term morning sickness fool you. The sickness can happen anytime of the day and especially at night time.

The best way to confirm if you are pregnant or not is to take a pregnancy test after a missed period.

Morning sickness usually begin around pregnancy week 6. But in some cases they can begin as early as week 4.

So feeling nauseous with a missed period or late period may mean you are pregnant.

3. estrogen Dominance or Deficiency

Too much of a good thing is bad and too little is also bad. The same goes for the estrogen hormone.

Estrogen dominance occurs when a woman has excess estrogen or when she has low progesterone.​

Even if a woman's estrogen levels are normal but she has low progesterone level it is still called estrogen dominant.

The symptoms of estrogen dominance and deficiency are:

  • Mood swings
  • Bloating and weight gain
  • Acne and skin problems
  • Nausea
  • Spotting
  • Tiredness and Fatigue
  • Dizzness
  • Headaches
  • Cramps and pains

4. Painful Periods (Dysmenorrhea)

Your uterus contracts to expel its lining as menstruation. Uterus contractions are triggered by hormone-like substances called prostaglandins. 

Women with high levels of prostaglandins a more painful period.

Increased level of prostaglandins before and during period can cause your uterus and other nearby organs including the digestive system (stomach and intestine)  to contract. 

These contraction can lead to abdominal cramps and nausea.

Nausea and dizziness can happen before, during and after period. And it can range from mild nausea to extreme or severe nausea.

Some women also get constipation, diarrhea and gassy during their periods.

5. Birth Control

Women take birth control to prevent unwanted pregnancy or to reduce period cramps.

However hormonal birth controls (pills, patches, implants shots or IUDs) come with some side effects.

These side effects are common in the first 3 months. They should reduce after 2 or 3 months of continuous use.

Pills that contain high dose of estrogen are known to cause stomache upset.

Common side effects of birth controls are:

  • Nausea
  • Breast soreness or enlargement
  • low sexual libido
  • spotting between periods
  • Irregular periods
  • Heavy periods
  • Weight loss or weight gain

6. Emotional STRESS

When you are stressed, your body produces a new hormone called cortisol.

The production of the cortisol hormone lowers the normal level of sex hormones your body produces.​

Physical symptoms of stress can be:

  • Excessive sweating​
  • Nausea and vomitting
  • Memory loss
  • Vaginal bleeding
  • Nose bleeding
  • Low libido
  • Lowered Immune response

7. Fatigue

Fatigue is the feeling of having a drained energy or feeling exhausted. Even after a long night sleep.

Some women feel nauseated from persistent exhaustion.

8. Gastrointestinal Infection or stomach flu

Stomach flu(gastroenteritis) is a term referring to inflammatory problems or infection of the stomach or intestine. 

Common symptoms of Gastrointestinal infections are:

  • Nausea and vomiting
  • Abdominal cramping
  • Diarrhoea​
  • Fever and chills

9. Heart Burn

Heartburn also known as indigestion is a burning feeling in the chest. It occurs mostly after eating and it is caused by acid reflux.

Sometimes the contents of the stomach are sent back into the oesophagus causing a burning sensation in the chest.​

Heart burn can contribute to the development of nausea and throwing up.​

Difference Between PMS Nausea and Pregnancy Nausea

How can I tell the difference between PMS or pregnancy nausea?

Nausea or vomiting is a common pregnancy symptoms than a premenstrual syndrome.

Morning sickness is one of the obvious signs that you are pregnant.

Common PMS symptoms are:

  • Sudden increased in appetite​
  • Moods swings and cry spells
  • Acne or breakout

Signs Of Pregnancy Before Missed Period

Apart from nausea and vomiting, other common pregnancy symptoms are:

1. Implantation Bleeding

Implantation bleeding occurs around 6-7 days after ovulation. When the fertilised egg attaches its self to the walls of the uterus lining.

Implantation spotting is lighter than your normal period and it usually last for a few hours to 2 days.

If you notice light spots of blood on your underwear or on a tissue paper a few days before your period is due, you might be pregnant.

2. Implantation cramping

Implantation cramping usually accompanies the process of implantations. But this cramps are very mild and should not feel painful like menstrual cramps.

The cramps occur when the fertilised egg is digging through the uterine walls to bury itself.

3. Breast tenderness or Soreness

Due to the increasing level of estrogen and progesterone hormone after conception to support the new life.

Your breast should start to feel tender to touch and sensitive around the nipples.

Also you make start to notice that your areola (the area around your nipples) is getting darker​.

4. Frequent Urination

After conception, the uterus lining continues to thicken in preparation for implantation. Also there is an increasing flow of blood to the blood vessels in the uterus.

This can cause the uterus to put pressure on the bladder, there by causing you to urinate more frequently than normal.​

Also your kidneys start to work extra hard after conception. this can also make you pee more often.

5. Food Craving or Aversion

In the early weeks of pregnancy, hormonal changes going on in your body can make you to dislike or even hate some of the foods you once liked.

You can also expect to have strange and weird craving ​of some foods.

It is believed this is your body's way of telling you what it needs and what it doesn't need.

6. Morning Sickness

Morning sickness is one of the very early signs of pregnancy. It can happen at any time of the day.

Heightened sense of smell ​can also make the situation worse during pregnancy.

You should feel better by second trimester. Severe nausea or extreme nausea cases should be reported to your doctor or midwife immediately.

Treatment of Nausea before Period

Here are some natural home remedies to help to stop nausea.

1. Try Ginger For Nausea

Ginger is an ancient flowering plant whose rhizome can be used as a food spice or as medicine.

It has anti-inflammatory and antispasmodic properties.

Ginger is a very good nausea relief. It is one of the best and popular home remedies for nausea and gastrointestinal irritation.

Drink a cup of ginger tea all through the day to be treat nausea.

2. Peppermint

Peppermint has a calming effect. It has both antiemitic and anti sporadic effects.

You can use peppermint by drinking peppermint tea or inhaling peppermint oil​.

3. Vitamin B6

Take vitamin B6 supplements to help treat menstrual nausea or early pregnancy nausea.

It provides indigestion relief and reduces vomiting.​

Take no more than 100mg of Vitamin B6 daily to treat nausea and vomiting.

4. Chamomile tea

Chamomile has soothing, anti-inflammatory and relaxing properties. 

It is very helpful for nausea caused by stress. It immediately calms the mind and soothes the tummy.

5. Lemon

Lemons are great nausea blockers.

The smell and taste of lemon can help remove the nauseous feeling that you may have.

Learn More: Frequently asked questions

Feeling Sick Before Period Could I be Pregnant?

Yes you could be pregnant. Nausea and vomiting is one of the early pregnancy symptoms before a missed period.

You can start feeling nauseous as early as 5 days before your menstrual period is due.​

At the same time, it is important to note that pregnancy is not the only reasons why you feel like throwing up.

It could be caused by more serious issue such as endometriosis, gastrointestinal irritation and hormonal changes.

Morning Sickness Before Period Not Pregnant Negative Pregnancy Test

It can be quite confusing and frustrating if are having pregnancy symptoms and you are not pregnant.

Early pregnancy symptoms and PMS symptoms are quite alike.

Hormonal changes and hormonal imbalance is one of the main culprit why for have pregnancy sickness but negative pregnancy test.

Is Nausea right Before Period Endometriosis?

Endometriosis is a condition in which the tissues of the uterus lining (endometrium) starts to grow outside the uterus. On other organs such as the fallopian tube, ovaries and pelvis.

Nausea is on of the symptoms of endometriosis.

Other common symptoms of endometriosis are:​

  • Painful cramps
  • Prolonged period
  • Pain during and after sex
  • Nausea and vomiting
  • Heavy menstrual flow
  • Infertility

Nausea a day before period​.... What does it mean

Nausea a day before period could be caused by pregnancy or it could be a sign that your period is coming.

Period nausea can start from 3 days -7 days before your period.

Nausea 3 Days before Period But Negative Test

Feeling nauseous 3 days before period... Am I Pregnant?

Nausea 3 days before expected period but a negative pregnancy test can mean you are pregnant.

But your level of HCG hormone is low. Human gonadotropin hormone is released after implantation by the placenta. It is known as the pregnancy hormone.

​Low levels of HCG can give a false or negative pregnancy test.

The best time to take an accurate test is around a week after a missed period.​

Nausea A week before period....What does it mean

Nausea week before period is due may be cause by pregnancy, PMS, birth controls or a more serious gynaecological condition.

Nausea two weeks before period.....What does it mean

Nausea two weeks before your period may be caused by ovulation.

Some women do feel nauseous around and during ovulation due to hormonal changes happening in the body.​

Why do I get Flu-like Symptoms with my period

Some women get flu-like symptoms during their period. The flulike symptoms such as headaches, fever, increased body temperature, chills, cough or running nose are caused by hormone like chemical messengers called prostaglandins.

Prostaglandins causes the uterus to contract during labour ​and during periods.

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