
Many people take painkillers to deal with headaches, back pain, sore muscles, or long-lasting health problems. These medicines are easy to buy and often work quickly. Because of this, millions of people around the world use them every day.
For many, painkillers make it possible to go to work, care for family, and live a normal life. However, new research suggests that some commonly used pain medicines may carry serious health risks, especially when taken for a long time or by people who already have other medical conditions.
One major group of painkillers is called NSAIDs, which stands for non-steroidal anti-inflammatory drugs. These medicines reduce pain, swelling, and fever. Common examples include ibuprofen, naproxen, and diclofenac.
Doctors often recommend them for arthritis, sports injuries, and general aches and pains. While they are effective, scientists are now taking a closer look at how they affect the heart and other organs.
A study from the University of Alabama at Birmingham explored how one NSAID called carprofen affected animals that already had heart disease. Although carprofen is more commonly used in veterinary medicine, it belongs to the same family of drugs as many painkillers taken by humans.
The researchers found that the drug caused mild inflammation in the heart and kidneys of the animals. Inflammation means that the body’s tissues become irritated and swollen. When the animals later experienced a heart attack, the inflammation became worse.
This finding suggests that similar drugs might increase risks for people who already have heart problems. The study highlights the need for caution when prescribing these medications to patients with heart disease.
Another large study from Denmark examined the safety of diclofenac, a painkiller widely used in many countries. This research included health data from more than 6 million adults, making it one of the largest studies of its kind.
The scientists found that people who began taking diclofenac had a higher risk of serious heart problems within just one month of starting the drug.
These problems included heart attacks, strokes, and irregular heartbeats. The risk was higher compared to people who used other painkillers such as ibuprofen, naproxen, or paracetamol, which is also known as acetaminophen.
This important study was published in The BMJ, a well-known medical journal. The researchers warned that diclofenac should be used very carefully, especially by people who have high blood pressure, heart disease, diabetes, or other risk factors for heart problems.
Even though the increased risk for one person may seem small, when millions of people use the drug, the total number of serious events can become significant.
Concerns about pain medicines are not limited to NSAIDs. Another study from Newcastle University in the United Kingdom looked at drugs often used to treat chronic pain, such as gabapentin, pregabalin, and opioids.
These medicines are commonly prescribed for nerve pain, back pain, and other long-term conditions. While they can be helpful, researchers found that they may also lead to unexpected side effects.
The study analyzed health records from more than 133,000 people in the UK. It showed that people taking these medications were more likely to gain weight and have sleep problems. Some of these drugs can make people feel tired or less energetic, which may reduce physical activity.
They may also affect appetite and food cravings, leading some people to eat more sugary or high-calorie foods. Over time, this can result in weight gain, which itself increases the risk of heart disease and diabetes. This research was published in the journal PLOS ONE.
When looking at all these findings together, a clear message appears. Painkillers can be very useful, but they are not risk-free. Possible side effects include heart problems, kidney issues, weight gain, and poor sleep. For people who already have medical conditions such as heart disease or diabetes, these risks may be even greater.
This does not mean that people should stop taking prescribed medicines without medical advice. For short-term pain, many of these drugs are still considered safe when used correctly.
However, for long-term pain management, doctors and patients may need to think carefully about the benefits and risks. Other options such as physical therapy, exercise, relaxation methods, counseling, or alternative treatments may sometimes provide safer solutions.
If painkillers are necessary, experts recommend using the lowest effective dose for the shortest possible time. Regular check-ups with a doctor can also help catch any problems early. Pain relief is important for quality of life, but protecting long-term health is just as important. Making informed and careful choices can help people manage pain more safely.
If you care about health, please read studies about the benefits of low-dose lithium supplements, and what we know about egg intake and heart disease.
For more health information, please see recent studies about potatoes and high blood pressure, and results showing 6 best breads for people with heart disease.
Copyright © 2026 Knowridge Science Report. All rights reserved.


