Is Your Headache Medication Causing *More* Headaches? Understanding Medication-Overuse Headache
Do you find yourself reaching for pain relief more often than not, only to discover your headache days are increasing? You might be experiencing medication-overuse headache (MOH), also known as rebound headache or chronic daily headache. This condition affects up to half of those with chronic headaches and is a growing concern for both patients and healthcare providers.
What Exactly *Is* Medication-Overuse Headache?
Medication-overuse headache develops when frequent employ of acute headache medications actually contributes to more headache days. It’s a secondary headache disorder, meaning it’s caused by another underlying condition – in this case, the overuse of medication intended to *treat* headaches. The International Headache Society defines MOH as occurring on 15 or more days per month in someone with a pre-existing primary headache disorder, resulting from regular overuse of headache medication for over three months.
How Much Medication is Too Much?
The definition of “overuse” varies depending on the medication. Generally, using triptans, ergot alkaloids, combination analgesics (pain relievers), or opioids for 10 or more days a month is considered overuse. Simple analgesics, like aspirin, ibuprofen, and naproxen, become problematic when taken on 15 or more days a month. It’s crucial to remember that even medications taken for reasons *other* than migraine – such as back pain – can contribute to MOH.
Quantity Over Quality: What Does MOH Feel Like?
Unlike migraine, the specific *type* of headache isn’t the defining factor in MOH. According to experts, it’s the sheer *frequency* that matters. Focus on tracking the total number of headache days, or conversely, the number of completely pain-free days. Ideally, you should have at least 15 crystal-clear days each month.
Which Medications Are Most Likely to Cause MOH?
Certain medications carry a higher risk. Butalbital (found in medications like Fioricet and Fiorinal) and opioids are particularly prone to causing MOH, even with limited use. These medications can alter brain pain regulatory systems, worsening migraine attacks and making them harder to treat. Over-the-counter decongestants and prescription sleeping medications can also contribute.
The Role of Caffeine and Other Medications
Even seemingly harmless substances like caffeine can play a role. Consuming 100-200mg of caffeine daily may contribute to MOH. Some experts suggest that benzodiazepines may interfere with treatment, and amphetamines can also cause medication-overuse headache and daily headache.
The Promise of Newer Treatments: CGRP Medications
Fortunately, newer migraine treatments, specifically CGRP receptor antagonists (gepants and CGRP monoclonal antibodies), haven’t been shown to increase the risk of MOH. In fact, research suggests they can effectively suppress medication overuse. Oral gepants like atogepant (Qulipta) and rimegepant (Nurtec ODT) can prevent headaches, whereas ubrogepant (Ubrelvy) and rimegepant can treat acute attacks. Injectable CGRP monoclonal antibodies include epitinezumab (Vyepti), erenumab (Aimovig), fremanezumab (Ajovy), and galcanezumab (Emgality).
Breaking the Cycle: What to Do If You Suspect MOH
If you suspect you have MOH, it’s essential to discuss it with your doctor. Treatment typically involves gradually reducing or stopping the overused medication, which can initially worsen headaches before improvement occurs. A comprehensive approach, including preventive migraine medications and lifestyle changes, is often necessary.
Pro Tip:
Preserve a detailed headache diary, noting the frequency, intensity, and type of headache, as well as all medications taken (including over-the-counter drugs and caffeine intake). This information will be invaluable to your doctor.
Frequently Asked Questions
- What is the main cause of medication-overuse headache? Frequent use of acute headache medications.
- How many headache days per month indicate MOH? 15 or more.
- Are CGRP medications linked to MOH? No, they haven’t been shown to increase the risk and may even assist resolve it.
- Can caffeine contribute to MOH? Yes, consuming 100-200mg of caffeine daily may be a factor.
Don’t let medication become part of the problem. Talk to your healthcare provider about your headache patterns and explore the best treatment options for lasting relief.
