Does doxycycline 100 mg tabs raise ones blood sugar a lot?

The effect of doxycycline on blood sugar levels can vary from person to person and depends on individual factors such as the dose, duration of treatment, and pre-existing medical conditions. Doxycycline is not usually known to cause significant elevations in blood sugar levels in the general population; however, there have been some reports of hyperglycemia (high blood sugar) in people with underlying diabetes or impaired glucose tolerance who are taking doxycycline. The tetracycline class of antibiotics, which includes doxycycline, can affect insulin secretion and sensitivity, leading to temporary changes in glucose metabolism.

If you are concerned about the potential impact of doxycycline on your blood sugar levels, it's best to consult with a healthcare professional, particularly if you have a history of diabetes or any other chronic conditions. They can provide you with personalized advice and monitor your blood sugar levels as needed to ensure they remain within a safe range while taking doxycycline.