Preparing for a blood test appointment seems simple, but the small things you do beforehand can have a big effect on your results. At Everest Pharmacy, we often see the same avoidable mistakes, and they can lead to unclear readings or the need for repeat testing. Whether you are checking general health markers or arranging blood testing in Leicestershire for a specific concern, good preparation helps you get accurate results the first time.

Below are the five most common mistakes patients make, along with practical ways to avoid them. The aim is to help you feel confident, prepared and ready for a smooth appointment.

Not Drinking Enough Water

Dehydration is one of the most frequent issues we see before a blood test. When you are dehydrated, your veins can be harder to access and your blood may be more concentrated than usual. This can make the process slower and can affect some readings.

A few simple habits can make a big difference:

• Drink plenty of water the day before your test
• Have a glass of water shortly before your appointment
• Avoid excessive caffeine, as it can dehydrate you

Hydration helps your veins relax, making the collection quicker and more comfortable.

Getting Fasting Wrong

Fasting requirements often cause confusion. Not every blood test requires fasting, but for those that do, eating even a small amount can influence the results. This includes foods, sugary drinks and sometimes even milky tea or coffee.

To avoid issues:

• Confirm with us whether fasting is needed
• Stick to plain water only if you are required to fast
• Avoid chewing gum, mints and supplements on the morning of the test

If fasting is not required, a light meal is usually fine. Checking instructions in advance helps you avoid unnecessary repeat tests.

Exercising Too Close To Your Appointment

Exercise is extremely beneficial for overall health, but intense activity shortly before a blood test can temporarily change several markers. This includes hormones, muscle enzymes, glucose readings and cholesterol levels.

If you normally exercise regularly, we recommend the following:
• Avoid strenuous workouts for 24 hours before your appointment
• Choose gentle activity such as walking if you want to move
• Resume your normal routine once the test is complete

This helps ensure the results reflect your everyday health rather than temporary changes from recent exercise.

Taking Medications Or Supplements At The Wrong Time

Some medications and supplements can affect blood test results, especially when taken immediately before your appointment. This does not mean you should stop anything without advice, but timing can matter.

We often advise patients to:

• Continue all prescribed medicines unless told otherwise
• Avoid taking supplements on the morning of the test
• Tell us about any over-the-counter products you regularly use

If a certain medication needs to be paused or taken after the test, we will let you know. Clear communication helps us interpret your results accurately. Contact us if you have any questions.

Not Knowing What To Expect

Many people arrive at their blood test appointment without understanding what will happen. This can lead to anxiety, delays and missed opportunities to ask important questions. Being informed beforehand makes the experience smoother and helps you feel more comfortable.

A quick way to prepare is to consider the following:

• Bring your referral or list of requested tests
• Wear clothing that allows easy access to your arm
• Eat and drink according to your instructions
• Make a note of any symptoms you want to discuss

A little preparation ensures you get the most out of the appointment and helps us provide clear, personalised advice.

Why These Mistakes Matter

Small details can create large differences in results. Hydration, food, exercise and medication timing all influence the markers we measure. When results do not reflect your usual routine, it may lead to repeat testing or uncertainty about your health. Good preparation supports accurate readings and gives you clearer insights into your wellbeing.

Blood testing in Leicestershire continues to grow in demand, and many people use results to guide lifestyle changes, monitor conditions or check vitamin levels. Reliable readings help you make informed decisions and understand what your body needs.

How Everest Pharmacy Supports You

At Everest Pharmacy, we guide you through every step so you feel confident and ready for your blood test appointment. Our team explains preparation clearly, helps you understand your results and offers tailored recommendations when lifestyle changes may support better health.

If you are ready to book an appointment or want to ask questions before your test, reach out today. We are here to support you with clear information, professional care and accessible blood testing you can trust.

This blog was written on behalf of Everest Pharmacy by Pharmacy Mentor.