If you’re scheduled for your first mammogram, you may hear conflicting advice about caffeine. Some imaging centers will advise you to avoid caffeine before the exam. Others don’t mention caffeine at all.

If you rely on your morning coffee, don’t worry. You won’t need to reschedule a mammogram because you had some caffeine beforehand.

That said, there could be benefits to cutting back on caffeine before your appointment. Here’s why some doctors make this recommendation and what it means for you.

Can You Drink Coffee Before a Mammogram?

Yes, most people can drink coffee before a mammogram. Drinking coffee or tea isn’t a deal-breaker for your mammogram appointment.

Caffeine shouldn’t affect your mammogram images. But it could make you less comfortable during the exam.

What’s the Problem With Caffeine?

For some people, caffeine makes the breast tissue feel more tender or sensitive. Since mammograms involve putting pressure on the breast, caffeine can add to the discomfort.

Coffee is one of the most common sources of caffeine. But other caffeinated foods, beverages, and supplements could have similar effects.

Caffeine’s impact on breast tissue also depends on the person, as other factors influence breast sensitivity as well. Choosing to have caffeine or skip it is ultimately up to you.

Why Do Mammograms Hurt?

During a mammogram, the breast is squeezed or compressed between two plates. This compression spreads out the breast tissue, which is essential to scan for abnormalities and signs of breast cancer. It can also be uncomfortable.

Individual Differences

You may feel mild pressure during the exam. Some people experience soreness, tenderness, or a pinching sensation. In some instances, people may find it really painful.

Breast sensitivity can be influenced by many factors. Your hormone levels, genetics, anxiety about the exam, and breast size or density can all play a role in how painful mammograms feel to you.

Keeping Pain in Perspective

It’s important to remember that the benefits of mammograms outweigh the downsides. Even if the test is uncomfortable, it can be life-saving.

Compression is temporary, and the discomfort can be managed. If you’re worried about the pain, work with your healthcare team to find ways to make your mammograms bearable.

How Does Caffeine Affect Breast Tenderness?

Caffeine is a popular stimulant. You can find it in coffee, tea, soda, chocolate, energy drinks, and some medications.

Caffeine’s Potential Effects

Caffeine may contribute to breast tenderness or soreness. This may be especially true if you already notice breast pain during your menstrual periods. Breast changes that fluctuate with your periods are related to hormone shifts.

How Caffeine Affects You

Not everyone notices strong effects from caffeine. Some people can drink several cups of coffee before a mammogram and feel no difference. Others may have less soreness during a mammogram when they avoid caffeine for several days beforehand.

Does Caffeine Affect Mammogram Results?

Fortunately, caffeine shouldn’t affect the accuracy of your mammogram. You can still go forward with your appointment and get reliable results regardless of whether you had caffeine that day.

Caffeine and Fibrocystic Breasts

Some people with fibrocystic breast changes may notice more lumpiness or swelling after consuming caffeine. Fortunately, radiologists are trained to evaluate a wide range of normal breast tissue patterns, so this isn’t necessarily a problem.

Fibrocystic breasts are very common. They’re not the same as breast cancer. Fibrocystic breasts may have symptoms like lumpiness, heaviness, tenderness, or aching that changes throughout the month. Reducing caffeine may help, but not always.

What Counts as Caffeine?

When facilities recommend avoiding caffeine, they usually mean more than just coffee.

Sources of Caffeine

You may be consuming more caffeine than you think. Common caffeine sources include:

• Coffee
• Espresso drinks
• Black tea
• Green tea
• Iced tea
• Cola drinks
• Energy drinks
• Some sparkling beverages
• Chocolate
• Certain headache medications

For people who are hypersensitive to caffeine, even small amounts may matter.

Checking the Label

If you’re trying to limit caffeine before your mammogram, reading labels can help. Look for ingredients that naturally contain caffeine. Any added caffeine should be noted on the label.

What About Decaf?

Decaffeinated coffee isn’t completely caffeine-free. It usually contains a small amount of caffeine, although far less than regular coffee. If coffee is part of your routine, having decaf before your mammogram can be a good compromise.

How Long Do Caffeine Effects Last?

Caffeine doesn’t leave the body right away. Its effects last for several hours. Sensitivity may continue for longer in some people.

When To Stop Having Caffeine

Some mammogram facilities recommend avoiding caffeine for 24 to 48 hours before your appointment. Others say you should cut back for up to two weeks ahead of your mammogram.

You may need to reduce caffeine consistently for weeks to notice a difference in breast sensitivity. You’ll have to decide whether that change feels worth making.

Caffeine Tolerance

Everyone processes caffeine differently. Factors that affect this include:

• Age
• Medications
• Hormonal changes
• Pregnancy
• Liver function
• Smoking

How often you normally have caffeine can also make a big difference. Someone who drinks coffee daily may be used to its effects.

Will Skipping Caffeine Really Help?

Avoiding caffeine could help, but it doesn’t guarantee a painless mammogram. Keep in mind that mammogram compression only lasts a short time.

Tips To Minimize Mammogram Pain

Other strategies to help make the exam less uncomfortable include:

• Breathing deep and counting in your head while compression is happening
• Scheduling the mammogram when breasts are least tender (for example, avoiding the days right before your period)
• Taking an over-the-counter pain reliever if your doctor says it’s OK
• Wearing a two-piece outfit and comfortable shoes during the exam
• Communicating with the technologist during the exam
• Relaxing your shoulders and chest muscles as much as possible
• Skipping earrings and necklaces that you’ll need to remove for the test

Some mammogram facilities have cushions they can place on the machine to make mammograms more comfortable. You can call ahead to see if this is an option for you.

In addition, you may benefit from eating less salt in the days leading up to your appointment. Salt can cause water retention and bloating, which may lead to some breast swelling and tenderness.

Should You Skip Caffeine?

If you had a painful experience with mammograms in the past, skipping caffeine may be worth trying. That way, you can see if it makes a difference for you and if you want to do it again for your next mammogram.

What Else Can Help?

Caffeine is only one small part of mammogram preparation. Remember to follow your provider’s other instructions to avoid any issues with your appointment.

Staying Positive

If you’ve been avoiding coffee, just remember your mammogram shouldn’t take long. You can always treat yourself to a nice hot cup of coffee (or maybe some chocolate) when the test is over.

Join the Conversation

On MyBCTeam, people share their experiences with breast cancer, get advice, and find support from others who understand.

How do you prepare for the day of your mammogram? Let others know in the comments below.