tap.health logo
  • Diabetes Management
  • Health Assistant
  • About Us
  • Blog
  • Contact Us
Get Plan
  • Diabetes Management
  • Health Assistant
  • About Us
  • Blog
  • Contact Us
  • All Blogs
  • Diabetes
  • What Are the Complications of Diabetes?

What Are the Complications of Diabetes?

Diabetes
March 19, 2026
• 5 min read
Naimish Mishra
Written by
Naimish Mishra
ChatGPT Perplexity WhatsApp LinkedIn X Grok Google AI
What Are the Complications of Diabetes?

Diabetes is a serious condition that affects millions of people worldwide. While it’s important to control blood sugar levels, the disease can still cause many complications over time. Understanding these complications can help you better manage your diabetes and prevent more severe health problems. In this article, we’ll discuss the various complications of diabetes, their causes, and how they can be managed.


What is Diabetes?

Before diving into the complications, it’s important to understand what diabetes is. Diabetes is a condition where the body has difficulty processing sugar (glucose). This happens either because the body doesn’t produce enough insulin (Type 1 diabetes) or the body doesn’t use insulin properly (Type 2 diabetes). Insulin is a hormone that helps regulate blood sugar levels.

When blood sugar levels are consistently high, they can cause long-term damage to the body, leading to complications in various organs and systems. The good news is that many of these complications can be prevented with proper management.


Common Complications of Diabetes

Diabetes affects different parts of the body in various ways. Below are some of the most common complications associated with the condition:

1. Heart Disease and Stroke

People with diabetes are at an increased risk of heart disease and stroke. High blood sugar levels over time can damage blood vessels and nerves, leading to problems with the heart and circulation. This damage can increase the risk of conditions like:

  • Atherosclerosis: A condition where the arteries become narrowed and hardened due to plaque buildup.
  • Coronary artery disease: A condition that causes reduced blood flow to the heart, leading to chest pain or heart attacks.
  • Stroke: A stroke can occur if a blood clot blocks the blood flow to the brain.

The risk of heart disease and stroke is higher for people with diabetes, especially if blood sugar levels are not properly controlled.

2. Kidney Disease (Diabetic Nephropathy)

Diabetes is one of the leading causes of kidney disease. Over time, high blood sugar can damage the kidneys’ filtering system, making it harder for them to remove waste and excess fluids from the body. This condition is called diabetic nephropathy.

If kidney disease is left untreated, it can lead to kidney failure, which may require dialysis or a kidney transplant. Regular checkups and controlling blood sugar levels can help prevent kidney damage.

3. Nerve Damage (Neuropathy)

High blood sugar can also cause nerve damage, a condition known as diabetic neuropathy. This damage can affect nerves in different parts of the body, including the feet, legs, and hands. There are four main types of neuropathy related to diabetes:

  • Peripheral neuropathy: This affects the feet and legs, causing tingling, pain, and numbness.
  • Autonomic neuropathy: This affects the nerves that control automatic functions like digestion, heart rate, and bladder function.
  • Proximal neuropathy: This affects the hips, thighs, or buttocks, leading to weakness and pain.
  • Focal neuropathy: This affects specific nerves, usually in the head, torso, or legs, and can cause sudden, severe pain.

Nerve damage can lead to loss of sensation, making it harder to feel injuries. This is one of the reasons why people with diabetes are more prone to developing foot ulcers.

4. Eye Problems (Diabetic Retinopathy)

Diabetes can lead to eye problems such as diabetic retinopathy, which affects the blood vessels in the retina. Over time, high blood sugar can damage these blood vessels, leading to vision problems and even blindness if untreated.

In addition to retinopathy, people with diabetes are also at an increased risk of other eye conditions such as:

  • Cataracts: Clouding of the lens in the eye, leading to blurry vision.
  • Glaucoma: Increased pressure in the eye, which can damage the optic nerve and cause vision loss.

Regular eye exams are important for people with diabetes to catch any problems early before they become severe.

5. Foot Problems (Diabetic Foot Ulcers)

Foot problems are common in people with diabetes due to nerve damage and poor circulation. This can lead to diabetic foot ulcers, which are open sores or wounds that can become infected. If left untreated, these ulcers can lead to more serious infections, gangrene, and possibly amputation.

To prevent foot complications, people with diabetes should:

  • Inspect their feet daily for cuts, blisters, or sores.
  • Keep feet clean and dry, especially between the toes.
  • Wear properly fitting shoes and socks to avoid pressure sores.

6. Skin Problems

People with diabetes are more prone to skin infections due to high blood sugar levels. Some common skin conditions associated with diabetes include:

  • Bacterial infections: High blood sugar weakens the immune system, making it easier for bacteria to cause infections.
  • Fungal infections: People with diabetes may experience fungal infections, especially in warm, moist areas of the body like the armpits or groin.
  • Dry skin: High blood sugar can lead to dry, itchy skin that may crack or peel.

Good skin care and maintaining healthy blood sugar levels are essential in preventing these problems.

7. Gum Disease

People with diabetes are also at a higher risk of developing gum disease (periodontal disease). High blood sugar can reduce blood flow to the gums, making them more vulnerable to infection. Gum disease can cause:

  • Gingivitis: Inflammation and bleeding of the gums.
  • Periodontitis: Severe gum disease that can lead to tooth loss.

Maintaining good oral hygiene and regular dental checkups can help reduce the risk of gum disease.


How to Prevent Diabetes Complications

The best way to prevent complications of diabetes is by managing blood sugar levels effectively. Here are some tips that can help prevent diabetes-related complications:

1. Monitor Your Blood Sugar

Regularly check your blood sugar levels to ensure they are within your target range. Work with your healthcare provider to adjust your insulin or medication regimen as needed.

2. Follow a Healthy Diet

Eating a balanced diet can help control blood sugar levels. Focus on whole grains, vegetables, lean proteins, and healthy fats. Avoid sugary foods and refined carbohydrates, which can cause spikes in blood sugar.

3. Exercise Regularly

Exercise helps lower blood sugar levels and improves overall health. Aim for at least 150 minutes of moderate exercise per week, such as walking, swimming, or cycling.

4. Take Medication as Prescribed

Follow your doctor’s instructions regarding medications, including insulin and other drugs that help control blood sugar.

5. Stay Hydrated

Drinking plenty of water helps regulate blood sugar levels and prevents dehydration, which is common in people with diabetes.

6. Quit Smoking

Smoking can worsen diabetes complications by damaging blood vessels and increasing the risk of heart disease and stroke. Quitting smoking is crucial for overall health.

Also read this : Omega-3 Fatty Acids & Diabetes: Heart Health Benefits of Fish Consumption


FAQ About Diabetes Complications

Q: Can diabetes complications be reversed?

A: While some complications can be managed and slowed down, many are not fully reversible. Early detection and proper management are key to preventing further damage.

Q: How often should I get checked for complications?

A: Regular checkups are important. Your doctor will recommend eye exams, foot exams, kidney function tests, and other screenings to check for diabetes complications.

Q: What are the early signs of diabetic neuropathy?

A: Early signs of diabetic neuropathy include tingling, numbness, and pain in the feet, legs, or hands. It’s important to see your doctor if you notice these symptoms.

Q: How can I prevent diabetic foot ulcers?

A: Prevent foot ulcers by keeping your feet clean and dry, checking for injuries daily, wearing properly fitting shoes, and maintaining good blood sugar control.

Q: Is it too late to manage diabetes if complications have already started?

A: It’s never too late to start managing diabetes and prevent further c

Tags
diabetes prevention foot health diabetes and sleep fasting blood sugar diabetes misconceptions diabetes medicine safety diabetic neuropathy symptoms diabetic foot ulcer warning signs can diabetics eat mango diabetes itching urinary infection diabetes diabetes slow wound healing metformin side effects diabetes numbness in hands banana for diabetes dates blood sugar jaggery for diabetes is poha good for diabetes guava blood sugar India diabetes pregnancy blood sugar targets diabetes medicine India blood sugar vs blood pressure LADA diabetes symptoms ED in diabetic men how to store insulin cataract surgery diabetes diabetes cholesterol levels Ramadan diabetes medicine timing walking after meals diabetes flu vaccine diabetes diabetes food cravings whey protein diabetes diabetes thirst fluids skipping breakfast diabetes diabetes and blurred vision breathlessness diabetes diabetes nausea causes dry mouth high blood sugar diabetes and shoulder pain diabetes and palpitations diabetes symptoms and tests diabetes and hand tremors causes A1C gestational diabetes poor sleep blood sugar HbA1c diabetes symptoms in women diabetes medicines diabetes nerve damage diabetes and blood pressure mango and diabetes dark patches diabetes diabetes stomach problems diabetes wounds metformin safety diabetes tingling hands banana blood sugar papaya for diabetes is jaggery good for diabetes poha blood sugar orange for diabetes sugar spike after rice postpartum diabetes risk type 1 vs type 2 diabetes diabetes vs high cholesterol latent autoimmune diabetes in adults diabetes and menopause insulin storage at home diabetes and muscle loss diabetes triglycerides diabetes and shift work diabetes and smoking GLP-1 diabetes medicines sugar cravings diabetes protein powder kidney diabetes diabetes diarrhoea vomiting diabetes breakfast skipping diabetic eye symptoms high sugar breathing problems diabetes and vomiting diabetes mouth symptoms diabetes frozen shoulder racing heart low sugar diabetes and tingling feet diabetes and appetite loss Medicine blood sugar pregnancy diabetes sleep and diabetes diabetes in India women diabetes signs diabetes treatment advice tingling feet diabetes high blood pressure diabetes mango sugar diabetes walking after meals for diabetes diabetic gastroparesis diabetic wound care diabetes ketoacidosis warning signs diabetic neuropathy hands coconut water and diabetes is papaya good for diabetes gur for diabetes sprouts for diabetes can diabetics eat oranges Indian diet diabetes diabetes after pregnancy type 1 and type 2 diabetes difference lipid profile diabetes diabetes vs MODY menopause blood sugar insulin fridge temperature diabetes muscle weakness diabetes and high blood pressure night shift diabetes smoking diabetes risk GLP-1 weight loss diabetes diabetes hunger cravings CGM skin irritation diabetes diabetes sick day vomiting morning sugar skipping breakfast diabetes and sweating diabetes and shaking vomiting with diabetes diabetes and itchy skin shoulder stiffness diabetes heart pounding diabetes diabetes and tingling feet causes diabetes and appetite loss causes Health fasting glucose blood sugar pregnancy diabetes and stress diabetes risk factors India diabetes risk women Indian diabetic diet chart diabetes eye disease diabetes heart kidney risk diabetes reversal vs remission post meal walk diabetes diabetes bloating nausea diabetes yeast infection DKA symptoms fasting with diabetes coconut water for diabetes papaya blood sugar watermelon for diabetes are sprouts good for diabetes orange blood sugar glucose spike symptoms gestational diabetes India difference between type 1 and type 2 diabetes diabetes vs neuropathy MODY diabetes symptoms type 2 diabetes menopause glucometer errors sarcopenia diabetes diabetes hypertension diabetes meal timing shift work diabetes quit smoking semaglutide diabetes diabetes and fever CGM sensor rash diabetes loose motions late dinner diabetes sweating low blood sugar tremors low blood sugar diabetes and cold feet itching high blood sugar diabetes and loss of appetite diabetes and muscle weakness diabetes and sweaty feet diabetes and burning feet Lifestyle A1C test low blood sugar stress blood sugar diabetes prevention India diabetes symptoms in men diabetic meal plan diabetic eye test borderline HbA1c diabetes remission walking lowers blood sugar diabetes sick day rules diabetes fungal infection ketones diabetes diabetes fasting safety can diabetics drink coconut water oats for diabetes can diabetics eat watermelon sprouts blood sugar brown bread for diabetes post meal blood sugar continuous glucose monitor India diabetes vs diabetes insipidus diabetes vs heart disease maturity onset diabetes of the young diabetes and frozen shoulder wrong blood sugar reading diabetes and anaemia BP in diabetes diabetes and vitamin D diabetes neuropathy pain relief diabetes and migraine best shoes for diabetic feet diabetes adhesive allergy CGM diabetes and kidney stones diabetes dinner timing diabetes and leg cramps shaky feeling diabetes cold feet diabetes diabetes fungal itching loss appetite diabetes weakness high blood sugar diabetes and sweaty feet causes diabetes and burning feet causes Home remedies diabetes diet hypoglycemia cortisol diabetes best fruits for diabetes men diabetes signs HbA1c test high protein breakfast for diabetes HbA1c 5.7 to 6.4 reverse type 2 diabetes diabetes grocery list India diabetes during illness diabetes vaginal itching diabetes blurry vision can diabetics fast curd for diabetes oatmeal diabetes watermelon blood sugar methi seeds for diabetes bread for diabetes insulin resistance symptoms CGM cost India diabetes mellitus vs diabetes insipidus diabetes heart disease risk continuous glucose monitor diabetes frozen shoulder diabetes reactive hypoglycaemia anaemia diabetes HbA1c diabetes and liver enzymes vitamin D deficiency diabetes diabetic neuropathy burning feet diabetes headache triggers diabetic socks foot ulcer prevention diabetes monsoon care kidney stones diabetes night sugar late dinner leg cramps diabetes diabetes and periods diabetes poor circulation feet diabetes and swollen ankles diabetes not feeling hungry diabetes leg weakness diabetes and neck pain diabetes and slow digestion Fitness balanced meals diabetes safety diabetes eye care diabetes fruits diabetes risk men HbA1c normal range diabetes breakfast India prediabetes HbA1c diabetes plate method diabetic food list India blood sugar fever infection diabetes night sweats high blood sugar blurry vision insulin injection sites is curd good for diabetes are oats good for diabetes apple for diabetes fenugreek for diabetes whole wheat bread diabetes diabetes blood pressure time in range diabetes insipidus symptoms diabetes and heart attack CGM diabetes diabetic shoulder pain low blood sugar after eating low haemoglobin diabetes high SGPT diabetes vitamin D insulin resistance diabetes gastroparesis blood sugar migraine diabetes and driving diabetes rainy season foot infection diabetes urine pain diabetes medicine timing diabetes muscle cramps periods affect blood sugar hair loss diabetes ankle swelling diabetes diabetes and restless legs diabetes and memory problems diabetes and neck pain causes diabetes and slow digestion causes Prevention healthy eating diabetes heart health diabetic retinopathy fruit and blood sugar type 1 diabetes how to lower HbA1c diabetic breakfast ideas post-meal blood sugar Indian diabetes plate foods for diabetes shopping diabetes and alcohol low blood sugar at night diabetes excessive thirst insulin site rotation diabetes curd milk for diabetes can diabetics eat apple methi diabetes avocado for diabetes diabetes heart risk glucometer accuracy diabetes vs metabolic syndrome gestational diabetes vs type 2 diabetes continuous glucose monitoring metformin vitamin B12 deficiency postprandial hypoglycaemia diabetes and uric acid SGOT SGPT diabetes diabetes and magnesium diabetic gastroparesis symptoms diabetes and thyroid medication driving with diabetes monsoon diabetes tips diabetes foot nail care diabetes medicine before or after food diabetes and frequent infections menstrual cycle diabetes diabetes hair fall causes diabetes leg swelling causes restless leg syndrome diabetes diabetes brain fog diabetes and chest pain Hygiene why diabetes is considered as a lifestyle disease blood pressure diabetes eye test rice and diabetes type 1 diabetes symptoms fasting sugar normal range PCOS and diabetes blood sugar after food diabetes portion control diabetes kidney tests alcohol blood sugar diabetes diabetes sweating at night diabetes dry mouth insulin lumps tea and coffee in diabetes can diabetics drink milk apple blood sugar cinnamon for diabetes is avocado good for diabetes ABC diabetes diabetes technology metabolic syndrome and diabetes pregnancy diabetes and type 2 diabetes steroid induced diabetes metformin B12 symptoms type 3c diabetes high uric acid diabetes diabetes and dental health magnesium deficiency diabetes delayed stomach emptying diabetes levothyroxine diabetes low blood sugar driving diabetes and antibiotics diabetic nail cutting missed diabetes medicine dose recurrent infections diabetes time in range diabetes diabetes wounds not healing diabetes and headache diabetes leg discomfort night memory loss blood sugar diabetes and chest pain causes Ailments lifestyle diabetes cholesterol diabetes kidney care can diabetics eat rice insulin diabetes high fasting blood sugar PCOS insulin resistance postprandial glucose low glycaemic index foods for diabetes urine albumin diabetes can diabetics drink alcohol diabetes headache frequent urination diabetes diabetes weight gain coffee diabetes best milk for diabetes eggs for diabetes cinnamon blood sugar avocado blood sugar kidney risk diabetes CGM vs glucometer India metabolic syndrome symptoms gestational diabetes future risk steroid diabetes symptoms vitamin B12 test metformin pancreatogenic diabetes diabetes gout risk tooth infection diabetes magnesium insulin sensitivity diabetes and UTI thyroid medicine blood sugar diabetes in older adults antibiotics blood sugar diabetes diabetes fungal nail infection diabetes airport travel diabetes infection symptoms CGM time in range diabetes and increased appetite headache low blood sugar fever high blood sugar diabetes and skin discolouration diabetes and cough Hindi type 2 diabetes lifestyle disease living with diabetes diabetic kidney disease diabetes diet India prediabetes diet reverse prediabetes naturally PCOS diabetes risk dawn phenomenon diabetes low GI foods India eGFR diabetes diabetes and dizziness high blood sugar headache diabetes fatigue diabetes and weight gain tea diabetes peanuts for diabetes are eggs good for diabetes dalchini for diabetes travelling with diabetes diabetes footwear diabetes reversal myths diabetes vs thyroid diabetes vs anaemia steroids high blood sugar diabetes distress diabetes caused by pancreas disease diabetes and PCOS diabetes and skin infections protein intake diabetes urinary tract infection diabetes diabetes fatigue after eating elderly diabetes care infection treatment diabetes antibiotics CGM vs glucometer insulin airport security dizziness low blood sugar time in range targets constant hunger diabetes high sugar headache sick day diabetes yellow skin diabetes diabetes and cough causes skin diseases exercise and diabetes diabetes habits kidney tests diabetes morning blood sugar prediabetes food prediabetes reversal gestational diabetes diet Indian morning sugar high diabetes low GI diet diabetes and dental problems dizziness diabetes low blood sugar headache diabetes tiredness insulin weight gain roti for diabetes are peanuts good for diabetes egg diabetes amla for diabetes diabetes travel checklist blurred vision diabetes HbA1c remission diabetes and thyroid disease diabetes fatigue or anaemia diabetes and hair loss diabetes burnout diabetes and bone health PCOS insulin resistance diabetes boils diabetes diabetes protein diet diabetes women's sexual health sleepy after meals diabetes diabetes low sugar older adults diabetes workplace health CGM vs finger prick diabetes travel documents dizziness high blood sugar millets for diabetes diabetes hunger causes diabetes and bladder problems diabetes and daytime sleepiness diabetes and night urination diabetes and snoring acne vulgaris symptoms blood sugar control diabetes management high blood sugar symptoms fasting sugar high lower diabetes risk how to prevent type 2 diabetes pregnancy diabetes diet high fasting sugar in morning diabetes and fatty liver diabetes gum disease low sugar dizziness blood sugar monitoring at home high blood sugar tiredness diabetes swollen feet best roti for diabetes peanuts blood sugar paneer for diabetes amla juice diabetes insulin travel storage fundus exam diabetes remission vs reversal thyroid blood sugar anaemia diabetes symptoms diabetes hair loss causes diabetes burnout symptoms diabetes osteoporosis diabetes and sleep apnoea diabetes and travel protein foods for diabetes diabetes vaginal dryness post meal sugar spike tiredness diabetes blood tests diabetes desk job diabetes CGM accuracy night hypoglycaemia symptoms diabetes and skin tags ragi jowar bajra diabetes diabetes and morning constipation diabetes urinary symptoms diabetes fatigue sleepiness urinating at night diabetes diabetes and snoring causes AI Search physical activity insulin resistance hyperglycemia symptoms dawn phenomenon diabetes and weight loss insulin resistance diet gestational diabetes meal plan diabetes and cholesterol fatty liver diabetes dry mouth diabetes diabetes leg pain when to check blood sugar diabetes constipation swollen feet diabetes chapati diabetes sweet potato for diabetes is paneer good for diabetes amla blood sugar diabetes hot weather eye care diabetes vildagliptin diabetes vs PCOS diabetes vs Cushing syndrome hair fall in diabetes diabetes depression anxiety diabetes fracture risk sleep apnea diabetes travel with diabetes diabetes and fibre diabetes sexual problems women diabetes meal timing diabetes test list office snacks diabetes early signs of insulin resistance diabetes low sugar during sleep dark neck insulin resistance best millet for blood sugar constipation diabetes morning diabetes and body odour diabetes and bloating nocturia diabetes diabetes and morning fatigue type 2 diabetes diabetes foot care insulin sensitivity diabetes warning signs diabetes myths weight loss diabetes Indian foods for insulin resistance diabetic foot ulcer diabetes lipid profile insulin resistance fatty liver diabetes urine infection diabetic leg cramps blood glucose monitoring diabetes and constipation diabetes foot swelling can diabetics eat dates can diabetics eat sweet potato paneer diabetes guava for diabetes diabetes dehydration diabetic retinopathy symptoms vildagliptin benefits in type 2 diabetes patients diabetes vs hypertension Cushing syndrome blood sugar diabetes and erectile dysfunction diabetes and depression diabetes and cataracts snoring diabetes insulin resistance diabetes Ramadan fasting fibre foods for diabetes diabetes and vaccines best time to eat for diabetes blood tests for diabetes checkup diabetes and dehydration insulin resistance tests constipation in diabetes acanthosis nigricans diabetes diabetes and nausea morning bowel movement diabetes diabetes smell sweat bloating with diabetes diabetes and numbness in hands diabetes and morning fatigue causes prediabetes diabetic foot type 2 diabetes risk normal blood sugar levels diabetes facts insulin resistance weight loss improve insulin sensitivity diabetes foot wound cholesterol in diabetes diabetes skin problems frequent UTI diabetes diabetes nerve pain legs metformin for diabetes constipation diabetes can diabetics eat banana dates for diabetes sweet potato blood sugar poha for diabetes can diabetics eat guava heat and blood sugar GDM screening DPP-4 inhibitor diabetes and hypertension diabetes vs LADA erectile dysfunction diabetes diabetes anxiety symptoms diabetic cataract symptoms diabetes and high cholesterol diabetes fasting Ramadan soluble fibre blood sugar vaccines for diabetes late night eating diabetes protein powder diabetes dehydration blood sugar walk after dinner blood sugar diabetes constipation relief diabetes and shortness of breath nausea with diabetes diabetes and dry mouth fruity breath diabetes diabetes stomach gas diabetes and numbness in hands causes diabetes and hand tremors
More blogs
Kazima Qureshi
Kazima Qureshi
• July 17, 2026
• 19 min read

Diabetes and Hand Tremors: Low Sugar, Medicines, Anxiety, and What to Do

A detailed, research-based guide to diabetes and hand tremors, including causes, tests, safe care, and warning signs.

Diabetes
What Are the Complications of Diabetes?
K. Siva Jyothi
K. Siva Jyothi
• July 17, 2026
• 19 min read

Diabetes and Morning Fatigue: Sleep, High Sugar, Anaemia, Thyroid, and Tests

A detailed, research-based guide to diabetes and morning fatigue, including causes, tests, safe care, and warning signs.

Diabetes
What Are the Complications of Diabetes?
Isha Yadav
Isha Yadav
• July 17, 2026
• 19 min read

Diabetes and Snoring: Sleep Apnoea, Weight, Blood Sugar, and Testing

A detailed, research-based guide to diabetes and snoring, including causes, tests, safe care, and warning signs.

Diabetes
What Are the Complications of Diabetes?
Do you remember your last sugar reading?
Log and Track your glucose on the Tap Health App
All logs in one place
Smart trend graphs
Medicine Reminder
100% Ad Free
Start Now

Missed your diabetes meds

again? Not anymore.

Get medicine reminders on your phone.

✓ Glucose diary and Insights
✓ Smart Nudges
✓ All logs at one place
✓ 100% Ad free
Start for free
tap health
tap.health logo
copyright © 2025
2nd Floor,Plot No 4, Minarch Tower,
Sector 44,Gurugram, 122003,
Haryana, India
  • About Us
  • Blog
  • Doctor login
  • Contact Us
  • Privacy Policy
  • Return / Shipping Policy
  • Terms and Conditions
Get Your Free AI Diabetes Coach