Roflumilast: What It Is, How It Works, and What You Need to Know

When you have severe COPD with frequent flare-ups, especially if you have chronic bronchitis, roflumilast, a once-daily oral medication that targets inflammation in the lungs. It's not a bronchodilator like albuterol, but it works differently — by blocking an enzyme called phosphodiesterase-4, which helps reduce swelling in the airways over time. This makes it a long-term control option, not a rescue drug. You take it every day, even when you feel fine, to lower how often your symptoms get worse.

It’s mostly prescribed for people with advanced COPD who still have flare-ups despite using inhalers. phosphodiesterase-4 inhibitors, a class of drugs designed to reduce lung inflammation without steroids like roflumilast are rare — there aren’t many options in this category. That’s why it’s often used alongside other treatments like long-acting bronchodilators or inhaled steroids. It doesn’t help you breathe better right away, but studies show it cuts down on hospital visits for COPD flare-ups by about 15-20% over a year.

It’s not for everyone. If you have liver problems, depression, or a history of weight loss, your doctor will check carefully before prescribing it. Common side effects include diarrhea, nausea, weight loss, and headaches — some people stop taking it because of these. But for others, the reduction in flare-ups makes it worth the trade-off. It’s also not meant for asthma or mild COPD. If you’re on other medications like theophylline or certain antidepressants, your doctor needs to know — interactions can happen.

People who’ve tried multiple inhalers and still end up in the ER during cold season often end up on roflumilast. It’s not glamorous, but it’s one of the few oral meds that actually changes the disease course, not just the symptoms. If you’re someone who gets sick every winter, can’t stop coughing, or has mucus that won’t clear, this might be part of your puzzle.

Below, you’ll find real comparisons and deep dives into how roflumilast stacks up against other COPD treatments, what to expect when you start it, how it affects your daily life, and what alternatives exist if it doesn’t work for you. These aren’t generic summaries — they’re practical, patient-tested insights from people who’ve been there.