A block answers a question a pill cannot ask.

CHOOSING BETWEEN THEM

Neither a nerve block nor medication is better in general. Acute medication stops an attack. Daily preventives cut how often attacks come across the whole system, while a nerve block pins down where the pain starts and interrupts the signal at one place. A block is the better next step when the exam points at a specific part, such as tenderness at the back of the head or an upper neck source.

This is not a rivalry. A block answers a question a pill cannot. A pill does something a block never will. The useful question is which one you need next.

What is the difference between a nerve block and headache medication?

• An acute medication stops an attack that has started. It does not change how often attacks start.
• A daily preventive makes attacks less frequent. It does nothing for the attack you have now.
• A nerve block does two things a drug cannot. It pins down the source of the pain. And it interrupts the signal at one specific place instead of acting on the whole system.

When is a nerve block better than medication for headaches?

How do you decide between a nerve block and medication?

Examine, form a working diagnosis, and only then choose. A block placed into a part that nothing has pointed to is the order of events that produces years of injections that did nothing. It is the most common complaint we hear from people coming from elsewhere. The needle is not the problem. Skipping the step before it is.

Whichever is chosen, the same three inputs decide how long the benefit lasts. First, the metabolic terrain, which sets how loudly the system reports pain. Second, sleep, which sets how sensitive you are the next day. Third, the load from your work, which keeps reloading the same part. Treating the target without the terrain is why some interventions work briefly and then stop.

Frequently asked questions

Is a block better than pills?

Neither is better in general. A block finds the source and interrupts it. A preventive lowers how often attacks come, across the whole system. Which is right depends on whether your exam points somewhere specific.

Can I have both?

Often, yes, and that is often the plan. A block holds the floor while a preventive is slowly raised to the right dose (titrated) or an overuse layer is unwound.

Are blocks a last resort?

No. Treating them that way costs people time. Early on, what a block reveals can redirect a whole workup by itself.

What if the block does not help?

That is a useful result. It rules out one suspect and points elsewhere. That is more than another aimless drug trial would have done.

Do nerve blocks help with headaches?

They help when the exam points at a specific part, such as tenderness at the back of the head, a tender spot that brings on the pain, or an upper neck source. A block then does two jobs a pill cannot. It shows whether that part is carrying the pain. And it interrupts the signal at that one place. For migraine that is spread out, with no focal findings, medication is usually the better tool.

When is medication the better choice?

When the picture is spread out, not in one spot, such as classic migraine with no focal findings. Or when how often attacks come is the main problem and no part stands out on exam. Medication is also the right tool for disorders with a specific drug treatment that works, such as cluster headache. A daily preventive lowers how often attacks come across the whole system, which a block does not do.

How long does a nerve block for headaches last?

It varies, and three things decide it. The metabolic terrain sets how loudly your nervous system reports pain. Sleep sets how sensitive you are the next day. And your work or posture keeps reloading the same part. Treating the target without the terrain is why some blocks work briefly and then stop.

Is a nerve block an option during pregnancy?

It can be. Pregnancy is one case where drug exposure to the whole body is the concern. A block acts at one place, not on the whole system. The same logic applies when you cannot tolerate pills or they are ruled out for another reason. Whether a block fits your case is decided at the exam.

The pages behind this decision

• What a block involves
• The preventive families
• Which clinician
• How the decision gets made
• If overuse is in the picture