Naproxen is a nonsteroidal anti-inflammatory drug (NSAID) that is commonly used to relieve pain, inflammation, and fever. While naproxen is generally considered safe for most people when used as directed, it can have dangerous side effects and can interact with other medications.

Some of the most common side effects of naproxen include stomach pain, heartburn, nausea, and diarrhea. In some cases, these side effects can be mild and go away on their own, but they can also be more severe and require medical attention.

One of the most serious side effects of naproxen is an increased risk of heart attack and stroke. This risk is higher in people who have pre-existing heart disease or risk factors for heart disease, such as high blood pressure, smoking, and high cholesterol. People who have a history of stroke, heart attack, or other cardiovascular events should talk to their doctor before using naproxen.

Naproxen can also cause damage to the kidneys, especially when used for extended periods of time. People with kidney disease or a history of kidney problems should use naproxen with caution and talk to their doctor before using it.

Naproxen can also cause an increased risk of gastrointestinal bleeding, especially in people who are older or have a history of gastrointestinal problems.

Naproxen can interact with other medications, including blood thinners, diuretics, and certain heart medications. It is important to tell your doctor about all the medications you are taking before using naproxen.

In conclusion, naproxen can be a useful pain reliever for many people, but it is important to be aware of the potential side effects and interact with other medications. It is important to talk to your doctor before using naproxen to make sure it is safe and appropriate for you, and to carefully follow the instructions on the label. If you experience any severe side effects or symptoms while taking naproxen, seek medical attention immediately.