Which chronic conditions are most likely to flare up?

Many chronic conditions can flare up, including asthma, COPD, heart failure, diabetes, and inflammatory conditions. The warning signs differ by condition, so ask your provider what to watch for in your case.

Can I go to urgent care instead of my regular doctor?

Same-day acute care can handle many urgent but non-life-threatening problems. Call your primary care office first when possible, as they know your history and can advise on the best next step.

What if I'm not sure it's serious enough?

Seek emergency care if you are unsure and symptoms are severe or rapidly worsening. It is better to be evaluated and told it is nothing than to wait with a true emergency.

Do I need to tell my regular provider about an urgent care or ER visit?

Tell your primary care provider about any urgent care or emergency visit so your plan can be updated and follow-up arranged.

Chronic DiseaseBy Kel Healthcare TeamOctober 12, 2026Updated October 12, 2026

Chronic Disease Flare-Ups: When to Call Your Doctor, Visit Acute Care, or Go to the ER

Not every flare-up is an emergency, but some are. Learn how to recognize early warning signs and decide between calling your doctor, visiting urgent care, or dialing 911.

Acute Care Primary Care Chronic Disease Management Diabetes

Medically reviewed by Dr. Karl E. Latortue, MD3 min read

When to Call Your Doctor, Visit Acute Care, or Go to the ER

Introduction

Even well-controlled chronic conditions can flare up. Blood sugar spikes, breathing gets harder, pain intensifies, or swelling returns, and you're left deciding whether to wait it out, call your doctor, visit urgent care, or head to the emergency room.

Having a plan before a flare-up happens is a key part of chronic disease management. This guide offers a general framework for thinking through your options.

Recognizing a Flare-Up Early

Early signs that a condition may be getting worse include:

Symptoms that are more frequent or more intense than usual
Needing rescue medication more often
Home readings outside your target range
Sudden weight gain or new swelling
Increased fatigue, thirst, or breathlessness
Signs of infection, such as fever or a new cough

Acting on early signs, instead of waiting until symptoms are severe, often prevents a bigger problem.

Choosing Where to Go

Situation	Typical Next Step
Mild change from your usual, no urgent symptoms	Call your primary care office for advice or a visit
Worsening symptoms that need prompt attention but are not life-threatening	Same-day acute care or urgent care
Severe, sudden, or rapidly worsening symptoms	Call 911 or go to the nearest emergency room

This table is a general guide only. Your own provider can tailor it to your conditions.

When to Call 911

Seek emergency care for symptoms such as:

Chest pain or pressure
Severe shortness of breath or trouble speaking
Fainting or sudden confusion
Signs of stroke, such as facial drooping, arm weakness, or slurred speech
Very high or very low blood sugar with confusion, vomiting, or drowsiness
Bluish lips or fingertips

Follow Up After Urgent Care or the ER

An acute care visit helps most when it is connected to your ongoing care. Let your primary care provider know about the visit, bring any discharge paperwork, and schedule follow-up so your plan can be adjusted to prevent a repeat.

Create a Personal Flare-Up Plan

Your key conditions and current medications
Your typical readings and target ranges
Warning signs that mean you should call the office
Warning signs that mean you should call 911
Contact numbers for your primary care office and pharmacy

Conclusion

Flare-ups are a normal part of living with a chronic condition, but they don't have to become emergencies. Knowing your warning signs and having a plan for each level of severity helps you get the right care at the right time.

Ask your provider to help you write a personal flare-up plan, and keep it somewhere easy to find. If you are ever unsure whether something is an emergency, it is safer to get care or call 911.