Coffee Makes Period Cramps Worse: Myth or Fact?

• Researched and written by: Shivangani Singh, BA in Journalism and Mass Communication
• Edited by: Vaibhavi Kodnani
• Medical inputs by: Dr Yash Bahuguna, MBBS, MS, DNB, ISGE Certified Practitioner for PCOS
• Medically reviewed by: Dr Poonguzhali Liston, MBBS, MS OBG, FMAS, DRM, FRM, CIMP

TL;DR

Quick answer: Individual responses to caffeine during periods may vary. While some women may not notice any change with coffee consumption, caffeine-sensitive individuals may experience worsened symptoms.

Research: Current evidence on caffeine and period cramps is limited and inconclusive. Some studies suggest high caffeine intake may be linked to severe cramps, while others find no strong connection. More high-quality randomised control trials are needed to draw stronger conclusions.

Doc’s opinion: Coffee can generally be consumed throughout the menstrual cycle in moderation (about 2–4 cups of black coffee daily) for its antioxidant benefits. However, if you experience severe cramps, sleep issues, anxiety, or other effects due to caffeine consumption, it may help to limit coffee around your period. 

Those who choose to have coffee must be mindful of how they consume it. Ideally, avoid coffee at least 4 hours before sleep and don’t have it at least 1 hour before or after meals as it can affect micronutrient absorption. 

What Is Coffee?

Coffee is made by brewing roasted coffee beans, which are seeds of the Coffea plant. It contains caffeine, a natural stimulant that influences the brain and nervous system.

Moderate caffeine intake can help boost alertness, improve focus, and reduce fatigue. Coffee is also rich in antioxidants that can help protect cells from damage and help reduce inflammation throughout the body.

The amount of caffeine in coffee can vary depending on the type of beans, how the plant was grown, brewing method, and serving size.

Quick insight: How much caffeine can you have per day?

On average, a cup of brewed coffee (about 240 ml) contains roughly 96 mg of caffeine, while the same amount of instant coffee contains 62 mg of caffeine. A 30ml espresso shot contains about 63 mg of caffeine.

Most healthy adults can safely consume up to about 400 mg of caffeine per day. For many adult women, this can equal roughly 2–4 cups of coffee daily, depending on the strength of the brew.

Note: Caffeine is not only present in coffee. It is also found in beverages like tea, energy drinks, sodas, and in products such as caffeine pills and pre-workout supplements, which can increase overall caffeine intake.

Does Drinking Coffee Worsen Period Cramps? What Research Says

Research on caffeine and period cramps is mixed. Some studies suggest higher caffeine intake may worsen menstrual cramps, while others find no clear link. Most evidence comes from observational studies rather than large randomized trials.

A 2020 study evaluated the association between caffeinated drinks (soft drinks and coffee) and painful periods (primary dysmenorrhea) among 1809 female undergraduates in China. It showed that women who frequently consumed carbonated soft drinks experienced severe menstrual cramps. Conversely, among women with moderate or severe cramps, those who drank coffee experienced less severe pain. The study suggested soft drinks may increase the risk of menstrual pain, whereas coffee could have the opposite effect. 

In short: Current evidence on caffeine, coffee, and period pain is limited and inconclusive. For now, we can conclude individual responses to caffeine during periods vary. While some women may not notice any change, caffeine-sensitive individuals may experience worsened symptoms. This suggests caffeine may act as a trigger rather than a direct cause of menstrual pain.

What’s the Link Between Caffeine and Period Pain?

While research on caffeine and period pain is limited, a few biological mechanisms may explain a possible link. Caffeine may affect blood flow, stress response, hydration, and sleep which may influence how cramps feel.

Narrows blood vessels

During menstruation, the uterus contracts to shed its lining, a process controlled by prostaglandins. These hormone-like chemicals reduce blood flow to the uterus, which causes pain.

Caffeine can also narrow blood vessels, which can further reduce oxygen-rich blood flow to the uterus. This may result in more intense cramps.

Increases stress levels

Caffeine intake can also stimulate the nervous system. It may increase stress hormones, including cortisol and adrenaline. It can make the body more sensitive to pain, making even mild cramps feel stronger. Additionally, it may increase inflammation and muscle tension in the body, which may worsen discomfort during periods.

May affect hydration

Caffeine is a mild diuretic, meaning it can slightly increase urine production. However, caffeine does not directly cause dehydration.

If you are not drinking enough fluids, caffeine may worsen mild dehydration. It can increase muscle tension and discomfort, which may worsen menstrual cramps for some people.

Can disrupt sleep

Caffeine, being a stimulant, can also interfere with sleep, especially when coffee or other caffeinated drinks are consumed later in the evening. It can make it harder for the body to relax and fall asleep.

If the body is not well-rested, it can increase pain sensitivity and reduce the body's ability to cope with discomfort, which may make cramps feel more intense.

Final Verdict: Should You Drink or Avoid Coffee During Your Period?

After looking at the current evidence and possible effects of caffeine on the body, the answer is not the same for everyone.

You may consider using the following guide to decide for yourself. 

Who may continue drinking coffee

For some individuals, drinking coffee during their period may not significantly worsen symptoms. 

You may be able to continue your daily coffee if:

• You notice no clear effect on cramps after drinking coffee. 

• Your cramps feel manageable and do not interfere with daily activities. 

• Your PMS symptoms are mild, such as slight low mood or fatigue. 

• You can maintain good hydration and sleep patterns. 

In these situations, moderate caffeine intake is unlikely to cause major issues for most people.

Who should avoid or limit caffeine intake

Some individuals may be more sensitive to caffeine during their menstrual cycle. In these cases, caffeine can worsen cramps or intensify other PMS symptoms. 

You may benefit from limiting or avoiding caffeine if:

• You have extremely painful cramps that affect daily life. 

• You are diagnosed with conditions such as endometriosis, adenomyosis, or uterine fibroids, which are often linked with severe menstrual pain.

• You experience sleep issues before and during periods. 

• You have PMS-related anxiety, restlessness, or irritation. 

• You have severe bloating, diarrhea, and other digestive discomfort. 

In these groups, reducing caffeine intake during the menstrual cycle may help lower discomfort and prevent cramps from worsening.

Berry’s Tips: Caffeine Alternatives to Relieve Period Pain or Cramps

If coffee seems to worsen your cramps, switching to beverages with lower caffeine or no caffeine can help. Certain drinks can improve hydration, relaxation, and circulation, which may help ease discomfort. 

Warm water 

Staying well-hydrated throughout the day may reduce bloating, relax muscles, and support healthy blood flow, which can all help in lowering period pain.

How to consume: 

• Drink one cup of warm water after waking up. 

• Continue sipping warm or lukewarm water throughout the day. 

• You can aim for 6 to 8 glasses daily, and adjust based on your hydration needs. 

Tip: You can add a few drops of lemon if you want a mild flavour. 

Ginger tea

Ginger is widely used in herbal tea because of its natural anti-inflammatory properties. It may help reduce prostaglandin activity and lower inflammation levels in the body. It may also help reduce associated symptoms such as nausea or digestive discomfort.

How to consume: 

• Boil 1 cup of water and add about 1 teaspoon of freshly grated ginger or ¼ teaspoon of dry ginger. Let it simmer for 10 minutes, then strain and drink. 

• You can consume around 2 cups per day, especially just before your periods and during the first 2–3 of menstruation. 

Tip: Remember to always prepare ginger tea in water, not milk.

Disclaimer: Raw ginger may cause acidity in some individuals. Skip the drink altogether if this happens. 

Chamomile tea

Chamomile is a calming herbal tea with anti-spasmodic, anti-inflammatory, and relaxing properties. It can relax uterine muscles, reduce stress and anxiety, lower inflammation, and ease mild discomfort, which may help relieve menstrual cramps. Chamomile tea may also improve sleep, which can reduce pain sensitivity during periods.

How to consume: 

• Steep 1 chamomile tea bag or 1 teaspoon of dried chamomile flowers in a cup of hot water for 5 minutes. Strain and drink it warm. 

• You can safely drink 1–3 cups daily.

Tip: Drinking one cup of chamomile tea in the evening can help with better sleep.

Matcha

Matcha contains a small amount of caffeine (lower than coffee) and L-theanine, an amino acid that promotes calm energy.

How to consume: 

• Mix ½ or 1 teaspoon of matcha powder in a cup of warm water and whisk until smooth. 

• You may drink once a day, preferably in the morning or early afternoon.

Tip: Avoid drinking matcha with meals, as it may affect nutrient absorption. 

A Quick Guide on Coffee During Periods If You Choose to Have It

The key is to consume caffeine in moderation and be mindful of the type, amount, and timing of coffee consumption. 

Type of coffee

Coffee with milk and sugar may increase calorie intake and reduce some of the natural benefits of coffee. Additionally, sugar may increase inflammation in the body which may worsen pain and discomfort.

Hence, black coffee is the better option. If needed, you can add extra water to dilute the coffee and slightly reduce the caffeine strength.

Tip: If caffeine seems to affect your cramps, you can consider decaf or decaffeinated coffee as an alternative.

Cold or hot coffee

There is no strong evidence that hot or cold coffee affects menstrual cramps differently. You can make the choice based on your personal preference.

The more important factor is the amount of caffeine you consume, not the temperature of the drink.

Amount of coffee in a day

Moderation is important when it comes to caffeine consumption during your period.

Recommendations: 

• Limit intake to about 2–4 cups of coffee per day. You may add a 2g sachet of instant coffee to a cup of warm water or have one espresso shot.

• Avoid consuming several cups of coffee at once.

Intake timing 

Caffeine can affect sleep, which may influence how your body experiences pain. To avoid that from happening, you may consider skipping coffee after 5 pm or at least four hours before bedtime.

Additionally, avoid drinking coffee within an hour of meals, because caffeine can reduce the absorption of certain micronutrients from food.

Other Tips to Prevent Menstrual Cramps From Worsening

Along with managing caffeine intake, a few simple lifestyle habits can also help manage menstrual discomfort. 

• Do a short Yoga session: Simple Yoga asanas like cat-cow pose and pelvic floor exercises are effective in relieving period cramps. Yoga nidra has also been shown to promote overall relaxation in the body.

• Go for a light walk: A short walk of 15–20 minutes can stimulate the release of endorphins (body’s natural painkillers) and improve blood circulation in the body. It can improve period pain as well as mood symptoms.

• Eat high-fibre foods: Foods rich in fibre, such as fruits, vegetables, whole grains, and legumes, support digestion and hormonal balance, which may help reduce bloating and associated pain during periods.

• Avoid smoking and alcohol: Smoking and alcohol may worsen inflammation and affect blood circulation, which can increase discomfort and make menstrual cramps more intense.

Tip: Studies have shown magnesium in dark chocolate may help relax muscles and provide relief from period pain and cramps. It may also help improve mood during premenstrual syndrome (PMS).

When Should You See a Doctor?

Mild menstrual cramps are common. However, pain that becomes severe or starts interfering with your daily life may need medical attention.

You may consider seeing a doctor if:

• Your menstrual cramps become unusually painful or disrupt your daily routine.

• Your symptoms do not improve with home remedies like rest, light movement, heat therapy, or over-the-counter pain relief. 

• Your period pain continues after your period ends. 

• You experience persistent PMS symptoms such as extreme mood swings, anger, irritation, sadness, or anxiety in addition to painful periods.

• You notice symptoms such as severe heart palpitations, sleep issues, anxiety, abdominal pain, nausea, diarrhea or headache with coffee intake.

Your doctor will usually begin by asking about your symptoms, menstrual cycle, and lifestyle habits. They may recommend certain tests or examinations if needed to rule out conditions that can cause stronger cramps. 

Based on the diagnosis, the doctor can suggest appropriate treatment options, lifestyle adjustments, or medication to help manage menstrual pain more effectively.

The Bottom Line

The relationship between caffeinated coffee and period cramps has not been widely studied. While there’s no strong evidence against coffee, scientific mechanisms explain how caffeine in coffee may affect some individuals during periods. It can impact blood flow, stress levels, sleep, and hydration, which may worsen cramps in women who are sensitive to caffeine.

Ultimately, paying attention to how your body responds to coffee intake during periods is important. If it has no significant effect, it is safe to continue having it. However, if your cramps, anxiety, sleep issues, and digestive symptoms around your periods are severe, reducing coffee consumption may help. 

FAQs on Coffee and Periods

Can I drink coffee in period pain?

Yes, you can drink coffee during period pain if it does not worsen your symptoms. 

Can coffee make periods heavier?

There is no strong evidence that coffee directly makes periods heavier. However, higher caffeine intake may affect hormones and blood flow, which could influence how symptoms are experienced in some people.

Does coffee cause cramps?

Coffee does not directly cause menstrual cramps, but caffeine in coffee can make cramps worse in some individuals. 

What not to drink during period cramps?

Generally, it is better to limit drinks with high caffeine content, such as energy drinks and sodas, as well as alcohol, because they may worsen cramps or increase discomfort.

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