VACCINATIONS & DIABETES
Why staying up to date matters a little more when you have diabetes.
Vaccines are one of the simplest ways to protect yourself from infections that can throw your blood sugar off and lead to bigger complications. People with diabetes need the same routine vaccines as everyone else — and a few are especially worth keeping on schedule.
Why it matters a little more
Illness and blood sugar are closely linked.
🔁 The connection
When your body fights an infection, stress hormones rise and blood sugar tends to climb. At the same time, high blood sugar can weaken parts of the immune response. That two-way street is why preventing infections in the first place is a bigger deal when you live with diabetes — and why getting sick can quickly turn into a sick-day situation.
For what to do when illness does hit, see Chapter 14: Sick Day Management.
Vaccines on your radar
A general overview, not a personal schedule — your medical team will confirm what applies to you and when.
🤧 Flu (influenza)
- Recommended every year.
- Flu can hit harder and last longer when you have diabetes.
🫁 Pneumococcal
- Protects against a common cause of pneumonia.
- Also helps prevent some serious bloodstream and brain infections.
🦠 COVID-19
- Stay current per CDC guidance.
- Your medical team will advise on timing.
🧬 Hepatitis B
- Often recommended for people with diabetes.
- Especially relevant if you weren’t vaccinated as a child.
🌬️ RSV
- A respiratory virus that can be more serious in some adults.
- Ask your doctor whether it applies to you.
🌿 Shingles (Herpes Zoster)
- Usually for older adults.
- Worth knowing about if it comes up at home.
💉 Tdap
- Tetanus, diphtheria and pertussis (whooping cough).
- Typically a booster every 10 years.
🛡️ HPV
- Recommended for teens and young adults.
- Helps prevent several HPV-related cancers.
Talk to your medical team
They’ll personalize the plan.
✅ Confirm the details
Eligibility, timing and which version of a vaccine is right for you can vary by age, history and the medications you take. Your team can line everything up with your other appointments and check what your local health authority currently recommends.
For more on how insulin and other diabetes medications fit into your overall care, see Chapter 12: Insulin & Medication.
Around vaccination day
A few small things that help.
💧 Hydrate well
- Before and after the appointment.
📈 Check more often
- Numbers can run a bit higher for a day or two.
- See Chapter 13: Managing Highs & Lows.
💊 Don’t skip insulin
- Stick with your usual routine unless your team says otherwise.
🍽️ Eat normally
- A regular meal helps keep blood sugar steady on the day.
Travel & local guidance
Look one step ahead.
🌍 Plan early
If you’re traveling or moving, ask your doctor about destination-specific vaccines well before your trip. Recommendations from your local health authority are also updated regularly, so it’s worth a quick check each year.