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The Daily Insight

Why does my blood sugar drop on my period

Author

Andrew Campbell

Published Mar 21, 2026

Why does blood sugar rise before or during periods? Before and during your period, changes in the level of the hormones oestrogen and progesterone can induce temporary resistance to insulin which can last for up to a few days and then drop off.

Can your period affect your blood sugar?

Estrogen and progesterone control both your menstrual cycle and your blood glucose, so when you experience fluctuations in your blood sugar levels it can often be attributed to a certain point in your monthly cycle. When estrogen and progesterone are at their highest level, they affect insulin, which is also a hormone.

Can PMS cause low blood sugar?

Low blood sugar before your period is most likely a temporary symptom of hormonal changes. Eating regular, balanced meals and keeping a snack on hand can help to regulate levels.

Why does my blood sugar drop during my period?

There are a lot of hormones involved, but the sex hormones estrogen and progesterone are the two main culprits responsible for the monthly period. During the first phase, also called the follicular phase, of your menstrual cycle, you may be most insulin-sensitive and notice lower blood sugars.

What can cause a sudden drop in blood sugar?

  • Taking too much insulin or diabetes medication.
  • Not eating enough.
  • Postponing or skipping a meal or snack.
  • Increasing exercise or physical activity without eating more or adjusting your medications.
  • Drinking alcohol.

What is the best thing to eat when your blood sugar is low?

Good choices are a piece of fruit, a few whole wheat crackers, a glass of milk, or a carton of yogurt. In people with diabetes, hypoglycemia can come on suddenly and needs to be treated right away so it doesn’t get worse. Eat or drink a quickly digested carbohydrate food, such as: ½ cup fruit juice.

What causes low blood sugar without diabetes?

In people without diabetes, hypoglycemia can result from the body producing too much insulin after a meal, causing blood sugar levels to drop. This is called reactive hypoglycemia. Reactive hypoglycemia can be an early sign of diabetes.

Can hormones cause hypoglycemia?

Hormone deficiencies can also cause hypoglycemia because hormones control blood sugar levels.

What things we should avoid in periods?

  • Salt. Consuming lots of salt leads to water retention, which can result in bloating. …
  • Sugar. …
  • Coffee. …
  • Alcohol. …
  • Spicy foods. …
  • Red meat. …
  • Foods you don’t tolerate well.
How do you feel when your blood sugar is low?
  1. sweating.
  2. feeling tired.
  3. dizziness.
  4. feeling hungry.
  5. tingling lips.
  6. feeling shaky or trembling.
  7. a fast or pounding heartbeat (palpitations)
  8. becoming easily irritated, tearful, anxious or moody.
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What does a sugar crash feel like?

So when you have low blood sugar, the cells in your body aren’t receiving enough energy. This causes tell-tale symptoms including hunger, irritability, fatigue, anxiety, headaches, difficulty concentrating, shakiness, and dizziness. A blood sugar crash leaves you hungry – even if it wasn’t that long since you ate.

How do you keep your blood sugar from dropping?

  1. Eat all your meals and snacks on time and try not to skip any.
  2. Take the right amount of insulin.
  3. If you exercise longer or harder than usual, have an extra snack.
  4. Don’t take a hot bath or shower right after an insulin shot.
  5. Stick to your diabetes management plan.

Can anxiety cause low blood sugar?

While hypoglycemia symptoms are a result of the bodily stress it induces, it requires different treatment and preventative techniques than standalone anxiety. Though anxiety and hypoglycemia are related, an anxiety disorder cannot cause hypoglycemia.

Does stress cause low blood sugar?

Effect of long stress on blood glucose levels It is important to be aware that repeated episodes of stress can cause serious changes in blood sugar levels, making it harder for diabetics to manage their condition and increasing the risk of hypoglycemia (low blood sugar).

How long does it take to recover from low blood sugar?

It will usually take around 15 minutes to recover from a mild episode of hypoglycaemia. If you have a blood glucose meter, measure your blood sugar again after 15 to 20 minutes.

Is peanut butter good to eat for low blood sugar?

A: Consuming peanuts and peanut butter can be a great way to balance blood sugar and provide fullness. Since peanuts are a fat, they have higher calories per gram than carbohydrates and proteins. This means you don’t need as much to feel full.

How can I quickly raise my blood sugar?

  1. a piece of fruit, like a banana, apple, or orange.
  2. 2 tablespoons of raisins.
  3. 15 grapes.
  4. 1/2 cup apple, orange, pineapple, or grapefruit juice.
  5. 1/2 cup regular soda (not sugar-free)
  6. 1 cup fat-free milk.
  7. 1 tablespoon honey or jelly.
  8. 15 Skittles.

Why should we not wash hair during periods?

Washing and Bathing on Your Period There is no reason not to wash your hair, take a bath, or shower while you’re having your period. … You will not get sick, go blind, or lose your hair from taking a bath when you are having your period—but some of these inaccurate myths have been passed from one generation to the next.

How should you sleep on your period?

Sleep in the fetal position: If you’re normally a back or stomach sleeper, try rolling to your side and tucking in your arms and legs. This position takes pressure off your abdominal muscles and is the best sleeping position to relieve tension that can make cramping worse.

Does a shot of lemon stop your period?

No. Drinking a shot of lemon juice won’t delay your period or make it stop. Using a hormonal birth control method is the only way to lighten or control when you get your period: When taking a hormonal birth control method, like the pill, ring, and patch, you have the ability to skip your period.

Is 2.8 low blood sugar?

If your blood sugar drops below 4.0 millimoles per litre (mmol/L), you may have symptoms, such as feeling tired, weak, or shaky. If your blood sugar drops very low (usually below 2.8 mmol/L) and you do not get help, you could become confused or drowsy or even lose consciousness and possibly die.

What is false hypoglycemia?

False hypoglycemia is having the symptoms of hypoglycemia when your blood glucose levels are in normal range or even above normal range. False hypoglycemia may occur in: • People with newly diagnosed diabetes whose blood glucose was significantly. above normal, and is now lower.

What are 10 warning signs of diabetes?

  • Frequent urination. When your blood sugar is high, your kidneys expel the excess blood sugar, causing you to urinate more frequently. …
  • Increased thirst. …
  • Fatigue. …
  • Blurred vision. …
  • Increased hunger. …
  • Unexplained weight loss. …
  • Slow healing cuts and wounds. …
  • Tingling or numbness in the hands or feet.

What 6 things should you look for to identify hypoglycemia?

  • Shakiness.
  • Nervousness or anxiety.
  • Sweating, chills, clamminess.
  • Irritability or impatience.
  • Confusion.
  • Rapid/fast heartbeat.
  • Light-headedness or dizziness.
  • Weakness, fatigue, and sleepiness.

Can a non diabetic have hypoglycemia?

Non-diabetic hypoglycemia, a rare condition, is low blood glucose in people who do not have diabetes. Clinicians usually want to confirm non-diabetic hypoglycemia by verifying classic symptoms along with a low sugar level AND these symptoms recover after eating sugar.

What should I eat before bed to avoid hypoglycemia?

  • A handful of nuts. …
  • A hard-boiled egg. …
  • Low-fat cheese and whole-wheat crackers. …
  • Baby carrots, cherry tomatoes, or cucumber slices. …
  • Celery sticks with hummus. …
  • Air-popped popcorn. …
  • Roasted chickpeas.

What should I eat if my blood sugar is low in the morning?

  • 3 glucose tablets.
  • 1/2 cup of non-sugar-free fruit juice.
  • 1 tablespoon of honey.
  • 1/2 can of non-diet soda.

Can drinking water lower blood sugar?

Drinking water regularly may rehydrate the blood, lower blood sugar levels, and reduce diabetes risk ( 20 , 21 ).