Understanding Eliquis: 3 Common Side Effects of Blood Thinners You Should Know

Millions of people take blood thinners like Eliquis to prevent dangerous blood clots and reduce the risk of stroke. While these medications are highly effective, they do come with a few expected physical changes. Here are three common side effects you might experience and what you should know about them.

How Medications Like Eliquis Work

Before diving into the side effects, it helps to understand exactly what these medications do inside your body. Eliquis is the brand name for a drug called apixaban. It belongs to a class of medications known as direct oral anticoagulants.

Unlike older blood thinners such as Warfarin, which require strict dietary restrictions and frequent blood tests, Eliquis works by blocking a specific clotting protein in your blood called Factor Xa. By blocking this protein, the medication prevents blood platelets from sticking together and forming dangerous clots in your veins or heart.

Because the primary job of this medication is to slow down your body’s natural clotting process, the most common side effects are directly related to bleeding. Here are the three most frequent side effects reported by patients.

1. Easy and Frequent Bruising

The most widely reported side effect of any blood thinner is a noticeable increase in bruising. You might find that you develop bruises much faster than you used to, and they might look darker or larger than expected.

When you bump your arm against a doorframe or drop a book on your leg, tiny blood vessels under your skin called capillaries can break. In a person not taking anticoagulants, the blood clots almost instantly, resulting in a minor, barely visible bruise. Because Eliquis slows this clotting process down, more blood escapes from those broken capillaries before the clot forms. This creates a larger, more colorful bruise.

How to manage it: For the most part, easy bruising is a normal part of taking this medication and is not a cause for panic. You can manage this by being slightly more mindful of your surroundings to avoid bumps and scrapes. If you notice a very large bruise that appears without any known injury, or if a bruise continues to spread rapidly over several days, you should contact your primary care physician.

2. Prolonged Minor Bleeding

Because your blood is thinner, you will likely notice that minor cuts and scrapes take longer to stop bleeding. This is incredibly common in everyday situations.

For example, you might experience bleeding gums when you brush your teeth or floss. You might also notice that a tiny nick from shaving takes ten minutes to stop bleeding instead of the usual one or two minutes. Some patients also report an increase in mild nosebleeds, especially during dry winter months or when dealing with seasonal allergies.

How to manage it: You can make a few simple lifestyle swaps to handle this side effect comfortably.

  • Oral Care: Switch to a soft-bristled toothbrush, like an Oral-B Sensitive Gum Care brush, and use gentle, circular motions rather than scrubbing aggressively.
  • Shaving: Consider swapping your traditional manual razor for an electric shaver. A model like the Braun Series 7 or a Philips Norelco electric shaver cuts the hair above the skin level, drastically reducing your chances of getting nicked.
  • Nosebleeds: Keep your nasal passages moist by using a simple over-the-counter saline spray, such as Arm and Hammer Simply Saline, once or twice a day.

If you get a minor cut, apply firm, direct pressure with a clean cloth or bandage for at least five to ten uninterrupted minutes.

3. Mild Nausea or Indigestion

While bleeding-related issues are the most expected side effects, many patients also report mild gastrointestinal discomfort when they first start taking Eliquis. This can present as a feeling of nausea, mild stomach upset, or general indigestion shortly after taking your daily dose.

This happens because the active ingredients in oral medications must dissolve and be absorbed through the lining of your stomach and intestines. This process can sometimes irritate the sensitive lining of your digestive tract.

How to manage it: Unless your doctor has specifically instructed you otherwise, taking your Eliquis dose with a meal or a small snack can significantly reduce stomach upset. Eating a piece of toast, a handful of Nabisco saltine crackers, or a small bowl of oatmeal before taking your pill creates a buffer in your stomach. Staying well-hydrated by drinking plenty of water throughout the day also helps your body process the medication more smoothly.

When to Seek Immediate Medical Attention

While the three side effects listed above are common and generally manageable at home, it is crucial to know the difference between a minor inconvenience and a medical emergency. Because Eliquis prevents clotting, there is a risk of severe internal bleeding.

You should go to the nearest emergency room or call for emergency medical help immediately if you experience any of the following symptoms:

  • Bleeding from a cut that will not stop after 15 minutes of firm, direct pressure.
  • Urine that looks red, pink, or dark brown.
  • Stools that are red or look like black, sticky tar.
  • Coughing up blood or vomiting material that looks like dark coffee grounds.
  • A sudden, exceptionally severe headache with no known cause.
  • Unexplained dizziness, extreme fatigue, or feeling like you might pass out.

Frequently Asked Questions

Can I take over-the-counter pain relievers while on Eliquis? You must be very careful with pain relievers. You should avoid nonsteroidal anti-inflammatory drugs (NSAIDs) like Advil, Motrin, Aleve, and aspirin. These medications also thin the blood and can dangerously increase your risk of severe bleeding when combined with Eliquis. If you need a pain reliever for a headache or mild ache, acetaminophen (the active ingredient in Tylenol) is generally considered the safest option, but you should always confirm this with your pharmacist or doctor first.

Do I need to avoid certain foods like leafy greens? No. Older blood thinners like Warfarin require patients to strictly monitor their intake of Vitamin K, which is found in leafy greens like spinach and kale. Eliquis does not interact with Vitamin K in the same way. You can enjoy a normal, healthy, and varied diet without worrying about eating too many salads.

What happens if I forget to take a dose? If you miss a dose of Eliquis, take it as soon as you remember on the same day. However, if it is almost time for your next scheduled dose, skip the missed dose completely and just take your next pill at the normal time. You should never take two doses at the same time to make up for a missed one.