You Have Acid Reflux
If you suffer from acid reflux, it’s best to steer clear of coffee. The caffeine in coffee increases stomach acid production and can worsen your symptoms. So, it’s advisable to avoid coffee if you have this condition.
You Experience Insomnia or Poor Sleep Quality
Caffeine keeps you alert by blocking adenosine receptors in your brain that promote sleep. If you struggle with insomnia or poor sleep quality, coffee may exacerbate these issues.
Consuming coffee within six hours of bedtime due to its high caffeine content can disrupt sleep patterns and worsen insomnia.

You Have High Blood Pressure
Coffee can cause a temporary increase in blood pressure due to its caffeine content. While the exact cause of this spike is unknown, some researchers believe that caffeine may block a hormone that helps dilate your arteries. Others attribute it to increased adrenaline production in the adrenal glands, leading to higher blood pressure.
If you have high blood pressure, refrain from consuming caffeinated beverages like coffee immediately before engaging in activities that naturally elevate blood pressure, such as exercise, weight lifting, or strenuous manual labor. Consider limiting your coffee intake to a small amount, ideally no more than two cups per day. For those with hypertension, avoiding coffee may be a prudent health decision.

You Suffer from Anxiety Disorders
Caffeine, a stimulant present in coffee, can induce a range of sensations, including a faster heartbeat, a warming sensation in the body, and increased breathing. These symptoms mirror those of anxiety, making it challenging to discern the source. If you already live with anxiety, caffeine may aggravate your symptoms.
Caffeine consumption can also contribute to anxiety in other ways, such as disrupting sleep patterns, leading to fatigue, and heightening anxious feelings.