Severe Asthma: Causes, Triggers, and How to Manage It

When someone has severe asthma, a chronic respiratory condition where airways become inflamed and constricted, often resisting standard treatments. It's not just bad allergies or occasional shortness of breath—it's a daily battle that can land you in the ER without warning. Unlike mild asthma, where a puff of an inhaler helps, severe asthma means your lungs stay tight even with regular meds. You might still struggle to breathe after using your rescue inhaler, or find yourself waking up at night gasping. This isn’t normal. It’s a signal your treatment plan needs a serious rethink.

Asthma triggers, factors that worsen breathing, like smoke, pollen, cold air, or even stress, hit harder with severe asthma. One study found that over 60% of people with severe asthma had at least one uncontrolled flare-up in the past year—even when taking daily meds. That’s because triggers don’t just cause symptoms; they can permanently damage airways over time. And it’s not just environmental. Some people develop severe asthma because of underlying inflammation that doesn’t respond to typical steroids. Others have it linked to obesity, acid reflux, or even certain infections that never fully cleared.

Asthma medication, the drugs used to control or treat asthma symptoms, including long-term controllers and quick-relief inhalers isn’t one-size-fits-all. Many people with severe asthma are on high-dose inhaled steroids, but that’s often not enough. Newer biologic treatments—injectables that target specific immune cells—have changed the game for some. Drugs like omalizumab, mepolizumab, or benralizumab don’t just reduce symptoms; they slash ER visits by half in the right patients. But they’re not cheap, and not everyone qualifies. That’s why knowing your exact asthma type matters: eosinophilic? Allergic? Non-allergic? Each needs a different approach.

Managing severe asthma isn’t about taking more pills. It’s about precision. Tracking daily symptoms, using a peak flow meter, avoiding known triggers, and working with a specialist who understands the latest options. Too many people keep using the same inhaler for years, hoping it’ll get better. It won’t. If you’re still struggling, your lungs are screaming for a new plan. You’re not failing—you just haven’t found the right treatment yet.

Below, you’ll find real-world advice on spotting early warning signs, avoiding dangerous drug interactions, understanding insurance hurdles for advanced treatments, and how to stay safe when your asthma flares up. These aren’t generic tips. They’re based on what actually works for people living with this condition every day.

Biologics in Severe Asthma: How Anti-IgE and Anti-IL-5 Therapies Work 9 November 2025

Biologics in Severe Asthma: How Anti-IgE and Anti-IL-5 Therapies Work

Anti-IgE and anti-IL-5 biologics are transforming severe asthma care by targeting specific immune pathways. Learn how they work, who benefits most, and what to expect from treatment.