Can Pain Relievers Cause Stomach Ulcers? What You Need to Know About NSAIDs and Your Gut
When you have a headache, joint pain, or a sprained ankle, reaching for a bottle of ibuprofen, naproxen sodium, or low-dose aspirin is second nature to ease discomfort. These medications — part of a group called NSAIDs, short for nonsteroidal anti-inflammatory drugs — are among the most common and practical options for pain relief worldwide. But while NSAIDs help manage acute pain, soft tissue injuries, and even treat autoimmune conditions like rheumatoid arthritis, they can also carry hidden risks for your digestive system.
At Birmingham Gastroenterology, we believe it’s essential to understand how these medicines work, their potential gastric adverse effects, and how to protect your gastrointestinal tract if you rely on them for relieving pain.
Below, our specialists explain what you should know about NSAID therapy, the link to peptic ulcer disease, and how to reduce your risk factors for ulcers, internal bleeding, and other adverse effects.
What Are NSAIDs?
NSAIDs (nonsteroidal anti-inflammatory drugs) are a class of medicines that reduce inflammation and relieve pain by blocking certain enzymes involved in your body’s inflammatory processes. Unlike steroidal anti-inflammatory drugs like corticosteroids, NSAIDs are not steroids. However, they work similarly by interfering with prostaglandin synthesis — the process your body uses to produce prostaglandins that cause swelling, fever, and pain.
Some common over-the-counter NSAIDs include:
- Ibuprofen (Advil, Motrin)
- Naproxen sodium (Aleve)
- Aspirin (including low-dose aspirin for heart protection)
Doctors may also prescribe stronger prescription medicines in the NSAID family for severe arthritis, chronic joint pain, or soft tissue injuries that don’t respond to milder options.
How Do NSAIDs Work?
NSAIDs block an enzyme called cyclooxygenase (COX), which converts arachidonic acid into prostaglandins. By reducing prostaglandin production, NSAIDs lower inflammation, ease pain, and reduce fever. This is why they’re so effective for relieving pain from arthritis, sprains, headaches, and soft tissue injuries.
However, prostaglandins also protect the lining of your stomach and support healthy kidney function. When NSAIDs block COX, they not only stop pain and inflammation but also reduce the stomach’s natural defense against stomach acid. This is what can lead to stomach lining damage, ulcers, and gastrointestinal toxicity.
The Link Between NSAIDs and Stomach Ulcers
Long-term or high-dose NSAID therapy can cause irritation and erosion of the stomach lining, leading to peptic ulcer disease — open sores in the stomach or the upper part of the small intestine. These ulcers can cause stomach pain, bleeding, or even perforation in severe cases.
Studies and systematic reviews have shown that NSAID users have a significantly increased risk of developing ulcers and other serious gastric adverse effects, especially when using high doses or combining them with other medicines that can irritate the stomach.
Who Is at Higher Risk?
Some people have higher risk factors for developing stomach ulcers or serious complications when taking NSAIDs:
- Age over 65
- History of peptic ulcer disease
- H. pylori infection (a bacteria that damages the stomach lining)
- Taking high doses or using NSAIDs for long periods
- Combining NSAIDs with other medicines like steroids or blood thinners
- Having poor general health or chronic illness
- Drinking alcohol heavily
- Smoking
- Having high blood pressure or kidney failure
High-risk patients may be more prone to internal bleeding, gastrointestinal toxicity, or even cardiovascular events related to NSAID use.
What About Low-Dose Aspirin?
Low-dose aspirin is widely used to prevent heart attacks and strokes. Although the dose is smaller, it can still cause stomach irritation, especially when combined with other NSAIDs or in patients with a history of ulcers.
If your doctor has prescribed low-dose aspirin for heart health, do not stop taking it alone. Instead, please talk with your gastroenterologist about protecting your stomach while benefiting from its heart-protective effects.
What Are the Signs of NSAID-Induced Ulcers?
Watch for these warning signs of possible stomach ulcers or bleeding:
- Persistent or severe stomach pain
- Black or tarry stools
- Vomiting blood or material that looks like coffee grounds
- Unexplained fatigue or weakness (from blood loss)
If you experience any of these, seek medical help immediately. They can be signs of serious gastrointestinal tract damage.
How to Reduce Your Risk
If you need NSAIDs to manage acute pain, joint pain, or soft tissue injuries, here are steps to lower your risk of stomach damage:
- Use the lowest effective dose for the shortest time.
Avoid high doses unless your doctor specifically recommends them. - Ask if you can switch to a safer option.
Acetaminophen (Tylenol) may be better for certain pain types, though it won’t reduce inflammation. - Take NSAIDs with food or milk.
This can help protect your stomach lining. - Consider protective medications.
Your doctor may prescribe a proton pump inhibitor (PPI) or other acid reducer to prevent ulcers while you’re on NSAID therapy. - Avoid combining multiple NSAIDs.
Using more than one NSAID, or adding a steroidal anti-inflammatory drug, increases risk without added benefit. - Be honest about your health history.
Tell your doctor about high blood pressure, kidney problems, or other chronic conditions. - Monitor for interactions.
NSAIDs can interfere with the treatment of lithium, certain antidepressants, and other medications.
Are There Safer NSAID Options?
Some newer NSAIDs, called selective inhibitors (or COX-2 inhibitors), are designed to reduce stomach side effects while still controlling pain. However, they may increase the risk of cardiovascular events, so they’re not for everyone.
Your gastroenterologist can help determine whether a selective inhibitor or a traditional NSAID is safer based on your unique health profile.
When Are NSAIDs Necessary?
NSAIDs are highly effective for:
- Treating rheumatoid arthritis and other autoimmune conditions
- Reducing inflammation from injuries
- Managing joint pain or soft tissue injuries
- Easing acute pain like dental pain or headaches
Used correctly, NSAIDs can dramatically improve quality of life by helping you stay active and comfortable. But it’s important to balance these benefits with awareness of adverse effects.
Other Medicines That Can Affect Your Stomach
Be aware that combining NSAIDs with other medicines can increase the risk of gastrointestinal toxicity or internal bleeding. Common culprits include:
- Blood thinners like warfarin
- Corticosteroids (steroidal anti-inflammatory drugs)
- SSRIs (some antidepressants)
- Methotrexate (for severe autoimmune diseases)
Always let your doctor know all the medicines and supplements you take.
What If You Have an Ulcer?
If you develop a stomach ulcer from NSAID use, your doctor may recommend:
- Stopping the NSAID or switching to a different pain relief method
- Taking a PPI or other acid-blocking drug
- Treating an underlying H. pylori infection, if present
- Monitoring for complications like internal bleeding
You may need endoscopic treatment or surgery if the ulcer is severe.
Takeaway: Talk to Your GI Specialist
While NSAIDs are beneficial for relieving pain, reducing inflammation, and managing conditions like rheumatoid arthritis, they can have serious effects on your gastrointestinal tract and kidney function if not used wisely.
Always talk to your doctor about the safest way to manage joint pain, soft tissue injuries, and acute pain. If you have a history of ulcers, high blood pressure, poor general health, or other risk factors, you may need an alternative plan for pain relief.
At Birmingham Gastroenterology, we can help you understand the risks, protect your stomach, and choose the right treatment for your individual needs. If you have concerns about your stomach health, NSAID use, or symptoms like persistent stomach pain, don’t wait — contact us today.
