Diabetes

Understanding Diabetes: Types and Symptoms

Diabetes is a chronic condition that affects how your body processes blood sugar (glucose). When you have diabetes, your body either cannot produce enough insulin or cannot use insulin effectively. This leads to elevated blood sugar levels that can cause serious health complications if left untreated.

There are three main types of diabetes. Type 1 diabetes occurs when the pancreas cannot produce insulin at all, usually diagnosed in children and young adults. Type 2 diabetes is the most common form, accounting for about 90% of all diabetes cases, and occurs when the body cannot use insulin properly. Gestational diabetes develops during pregnancy and may increase the risk of Type 2 diabetes later in life.

Common symptoms include increased thirst, frequent urination, unexplained weight loss, fatigue, and blurred vision. Some people experience tingling or numbness in their hands or feet. If you notice any of these signs, consult your healthcare provider for testing and diagnosis.

Type 2 Diabetes Medications Available in Canada

Type 2 diabetes can often be managed through lifestyle changes, but many Canadians require medication to control their blood sugar levels. Several effective medications are available on the Canadian market.

Common Type 2 Diabetes Medications

• Metformin is typically the first medication prescribed for Type 2 diabetes. It helps reduce the amount of glucose your liver produces and improves how your body uses insulin. This medication is affordable and has been used successfully for decades.
• Sulfonylureas like glyburide and glipizide work by stimulating the pancreas to release more insulin. These medications are effective but may cause weight gain and low blood sugar episodes.
• GLP-1 receptor agonists such as semaglutide and dulaglutide are newer medications that help your pancreas release insulin when blood sugar is high. They also slow digestion and can help with weight management.
• SGLT2 inhibitors like empagliflozin and canagliflozin work by helping your kidneys remove excess glucose through urine. These medications offer additional heart and kidney protection benefits.
• DPP-4 inhibitors such as sitagliptin help your body increase insulin production when needed. They are well-tolerated and rarely cause low blood sugar when used alone.
• Thiazolidinediones like pioglitazone improve how your body uses insulin, though they may cause weight gain and fluid retention.

Type 1 Diabetes and Insulin Therapy

Type 1 diabetes requires insulin therapy because the pancreas cannot produce this essential hormone. Canadians with Type 1 diabetes have access to various insulin types that work differently in the body.

Types of Insulin Available

• Rapid-acting insulins like lispro and aspart work quickly to lower blood sugar during meals. They begin working within 10 to 15 minutes and peak within 1 to 2 hours.
• Short-acting regular insulin takes about 30 minutes to start working and peaks around 2 to 4 hours after injection. This type is less commonly used today but remains available.
• Intermediate-acting NPH insulin begins working after 1 to 2 hours and peaks around 4 to 12 hours later. It provides background insulin coverage throughout the day.
• Long-acting insulins like glargine, detemir, and degludec provide steady insulin coverage for up to 24 hours. These basal insulins keep blood sugar stable between meals and overnight.

Most people with Type 1 diabetes use multiple daily injections or insulin pumps to manage their condition effectively. Your healthcare team will help determine the best insulin regimen for your needs.

Lifestyle Management and Prevention

Managing diabetes effectively requires more than just medication. Lifestyle changes play a crucial role in controlling blood sugar and preventing complications.

Key Areas for Lifestyle Management

Nutrition is fundamental to diabetes management. Focus on whole grains, vegetables, lean proteins, and healthy fats. Limit sugary drinks, processed foods, and refined carbohydrates. Portion control helps maintain stable blood sugar levels. Work with a registered dietitian who specializes in diabetes care to create a meal plan that works for you.

Regular physical activity helps your body use insulin more effectively. Aim for at least 150 minutes of moderate-intensity exercise per week, including both cardio and strength training. Even short walks after meals can significantly lower blood sugar levels.

Stress management is often overlooked but very important. High stress can raise blood sugar levels. Consider meditation, yoga, deep breathing exercises, or other relaxation techniques. Getting adequate sleep, typically 7 to 9 hours per night, also supports better blood sugar control.

Weight management is particularly important for Type 2 diabetes. Even a 5% to 10% reduction in body weight can improve insulin sensitivity and reduce medication needs.

Monitoring and Complications Prevention

Regular monitoring helps you and your healthcare team track how well your diabetes is controlled. Home blood glucose monitoring using a meter allows you to check your levels several times daily. Continuous glucose monitors (CGMs) are now available in Canada and provide real-time glucose readings throughout the day.

Important Monitoring Tests

The A1C test measures your average blood sugar over the previous three months. Most people with diabetes should aim for an A1C below 7%, though individual targets vary. Blood pressure and cholesterol monitoring are essential because diabetes increases your risk for heart disease and stroke. Regular eye exams can detect diabetic retinopathy early, and foot care prevents serious infections and complications.

Preventing Serious Complications

Untreated or poorly controlled diabetes can lead to serious complications including:

• Diabetic neuropathy, which causes nerve damage, often starting in the feet
• Diabetic nephropathy, which can damage the kidneys and eventually require dialysis
• Diabetic retinopathy, which may cause vision loss or blindness
• Heart disease and stroke, which occur at higher rates in people with diabetes

Preventive care and good diabetes management significantly reduce your risk of developing these complications. Regular check-ups with your doctor and following treatment recommendations are essential.

Getting Started: Treatment and Support Resources

If you've recently been diagnosed with diabetes, your first step is to work with your healthcare team to develop a treatment plan tailored to your needs. Your doctor will consider your age, other health conditions, lifestyle, and preferences when recommending medications and management strategies.

Support Available in Canada

Canadian pharmacists play an important role in diabetes care. They can answer questions about your medications, help you understand how to take them correctly, and provide guidance on lifestyle changes. Many pharmacies offer diabetes education programs and support groups.

Blood glucose meters and testing supplies are covered under many provincial health plans. Insulin and most diabetes medications are available through prescription and often covered by provincial drug plans or private insurance.

Several Canadian organizations provide excellent resources and support. The Canadian Diabetes Association offers education materials, support communities, and advocacy. Local hospitals often provide diabetes education classes where you can learn more about managing your condition.

Starting diabetes treatment can feel overwhelming, but millions of Canadians successfully manage their condition daily. With proper medication, lifestyle changes, and regular monitoring, you can lead a healthy, active life while reducing your risk of serious complications. Your pharmacy team is here to support you throughout your diabetes journey.