<p><strong>High Blood Sugar Causes</strong></p>
<ul>
<li>Skip or forget your insulin , Untreated diabetes</li>
<li>Eat too many grams of carbohydrates</li>
<li>Have an infection</li>
<li>Illness , Stress, Physical Inactivity.</li>
</ul>
<p><strong>Low Blood Sugar Causes</strong></p>
<ul>
<li>The side effect of diabetes.</li>
<li>An overdose of diabetes medications.</li>
<li>Skipping Meals.</li>
<li>Eating less or later than normal.</li>
<li>Excess physical activity,Drinking alcohol on meds.</li>
<li>certain medications, such as quinine.</li>
<li>Medical conditions, such as hepatitis or kidney disorders.</li>
<li>a tumor that produces excess insulin ( insulinoma)</li>
<li>endocrine disorders, such as adrenal gland deficiency.</li>
</ul>