Medication Overuse Headache: When Relief Becomes the Problem

Lisa Brekke, PT, DPT

Board-Certified Clinical Specialist in Neurologic Physical Therapy

Headaches are one of the most common health complaints worldwide. For many people, reaching for a painkiller—such as ibuprofen, aspirin, or triptans—is the first line of defense. These medications are widely used not only for headaches, but also for managing other types of pain, including muscle aches, menstrual cramps, back pain, arthritis, and post-surgical discomfort. However, what many don’t realize is that the very medications they rely on for relief could actually be making their headaches worse over time.

This paradoxical situation is known as Medication Overuse Headache (MOH), sometimes called rebound headache. It’s a surprisingly common yet often misunderstood condition that affects those who treat frequent headaches with regular use of pain-relieving medications.

What is Medication Overuse Headache?

Medication Overuse Headache is a chronic headache that results from the frequent use of acute headache medications. It can happen to people with migraine, tension-type headaches, or cluster headaches who begin to use medications more than recommended—often without realizing the potential consequences.

Over time, the brain adapts to the constant presence of the medication, and instead of relieving the pain, the medication becomes part of the problem. When the drug wears off, withdrawal-like symptoms can trigger another headache, creating a vicious cycle.

What Medications Can Cause MOH?

Nearly all types of acute headache medications can contribute to MOH if overused, including:

• Over-the-counter (OTC) painkillers like acetaminophen (Tylenol), aspirin, and NSAIDs (e.g., ibuprofen, naproxen)

• Triptans, commonly used for migraines (e.g., sumatriptan)

• Ergotamine

• Opioids

• Combination medications with caffeine, barbiturates, or codeine

Generally, using these medications more than 10–15 days per month over a period of 3 months can put you at risk.

Symptoms of MOH

The symptoms of Medication Overuse Headache can be subtle and are often confused with a worsening of the original headache condition:

• Daily or near-daily headaches

• Headaches that are present upon waking

• Poor response to medications that once worked

• Increased sensitivity to light, sound, or movement

• Fatigue, nausea, irritability, or difficulty concentrating

Diagnosing MOH

There’s no single test for MOH. Diagnosis typically involves:

• A detailed medical and medication history

• Tracking headache frequency and medication use

• Ruling out other headache disorders or neurological conditions

A headache diary can be especially helpful for identifying patterns.

Breaking the Cycle

The most effective treatment for MOH is withdrawing the overused medication. This might sound simple, but it can be challenging—and often leads to a temporary worsening of symptoms before things get better.

Depending on the type and severity of the medication use, withdrawal may be done:

• At home under a doctor’s guidance (for mild cases)

• In a clinic or hospital setting (for severe overuse, especially with opioids or barbiturates)

During withdrawal, doctors may prescribe preventive medications, recommend behavioral therapies, and help establish a long-term treatment plan.

Preventing MOH

The best way to prevent MOH is to be mindful of how often you're using headache medications. Some tips:

• Limit use of acute medications to no more than 2 days per week

• Work with your healthcare provider to develop a preventive strategy if headaches are frequent

• Keep a headache diary to track symptoms and medication use

• Consider non-pharmacological approaches like physical therapy, biofeedback, dietary changes, and stress management

Final Thoughts

Medication Overuse Headache is a frustrating and often overlooked condition, especially for people simply trying to get relief from frequent pain. But the good news is that MOH is treatable and preventable with the right approach.

If you suspect your headache or pain medication is making things worse, don’t go it alone—talk to your doctor or a headache specialist. With the right support, you can break the cycle and regain control of your health.