A concussion headache is not a normal headache. It is a sign that your brain has been injured and is working to heal. The right approach to relief is different from treating a tension headache or a migraine. You need to focus on rest, careful use of medication, and watching for warning signs that require urgent medical care.
For the first 48 hours after a concussion, the safest relief is rest, hydration, and avoiding screens and bright lights. Over-the-counter pain relievers like acetaminophen are generally considered safer than ibuprofen or aspirin during this early window because they do not increase bleeding risk. After 48 hours, the rules change, and you should talk to a doctor before taking anything stronger.
The most important rule is this: if your headache gets worse, if you vomit, if you feel confused, or if one pupil becomes larger than the other, go to an emergency room immediately. These are signs of a more serious brain injury.
How To Treat Concussion Headaches Safe Relief
The safest way to treat a concussion headache depends entirely on when the injury happened. In the first 48 hours, your brain is vulnerable. The blood vessels in your head may be fragile, and your brain needs energy to heal. Pushing through the pain or taking strong medication can delay recovery.
Acetaminophen is the first-line option for early concussion headaches. It works on pain without thinning your blood. Ibuprofen, naproxen, and aspirin are non-steroidal anti-inflammatory drugs (NSAIDs). They can increase the risk of bleeding if there is any internal injury in the brain. Most emergency guidelines recommend avoiding NSAIDs for the first 48 hours unless a doctor specifically tells you otherwise.
After the first two days, the bleeding risk decreases. Many doctors then allow NSAIDs for headache relief. But you should not assume this is safe for you. Some concussions involve bleeding that takes time to show up. A doctor who has examined you can give the clearest guidance.
Why Does a Concussion Cause Headaches?
A concussion is a mild traumatic brain injury. When your head hits something hard, your brain moves inside your skull. This movement stretches and damages brain cells. It also triggers a complex chemical response that leaves your brain without its normal energy supply.
The headache you feel comes from several sources. The impact itself can strain the muscles and ligaments in your neck. That causes a type of headache called a cervicogenic headache. The brain injury itself also causes inflammation and changes in blood flow that produce pain.
Concussion headaches often feel like a dull, pressing pain on both sides of the head. Some people describe it as a tight band around the skull. Others feel a throbbing pain that worsens when they bend over or change position quickly. The headache may also intensify when you try to concentrate, read, or look at a screen.
This is why rest is not just a suggestion. It is the treatment. Your brain needs to recover its normal energy balance, and that takes time. Every time you force yourself to think hard or stare at a screen, you use brain energy that should be going toward healing.
What Medications Are Safe for Concussion Headaches?
Acetaminophen is the safest choice in the first 48 hours. The standard adult dose is 500 to 1000 milligrams every 4 to 6 hours, with a maximum of 3000 milligrams per day. Do not exceed this limit. Acetaminophen overdose damages the liver, and the margin between a safe dose and a harmful dose is smaller than most people realize.
After 48 hours, some doctors recommend switching to an NSAID if the headache persists. Ibuprofen at a standard dose of 200 to 400 milligrams every 4 to 6 hours is common. But this decision should come from a healthcare provider who has assessed you. Do not make this switch on your own.
Prescription medications are sometimes necessary. If your headache lasts more than a week or becomes a post-concussion syndrome, a doctor may prescribe medications that work on the nervous system directly. These include drugs like amitriptyline or topiramate. These are not painkillers in the traditional sense. They change how your brain processes pain signals. They are not appropriate for everyone, and they come with side effects.
Never take a new medication for a concussion headache without talking to a doctor first. Your brain is injured. You cannot predict how it will respond to a drug that changes brain chemistry.
What Natural Remedies Actually Work?
Several non-medication approaches have real evidence behind them. The most important is cognitive and physical rest. This means limiting screen time, avoiding reading for long periods, and skipping intense exercise. It does not mean lying in a dark room for weeks. That approach was once standard, but research now shows that prolonged isolation can slow recovery.
A short period of rest — usually 24 to 48 hours — followed by a gradual return to normal activity works better. The key is pacing yourself. If reading for 10 minutes makes your headache worse, stop and rest for 20 minutes. Then try again. This is called symptom-limited activity, and it is the current standard of care.
Hydration matters. Dehydration makes any headache worse, and it is easy to become dehydrated when you are not eating or drinking normally after an injury. Drink water regularly throughout the day. Avoid alcohol completely. Alcohol interferes with brain healing and can mask or worsen symptoms.
Sleep is the most powerful natural treatment. Your brain clears waste products and repairs cells during deep sleep. A concussion disrupts normal sleep patterns in many people. If you are having trouble sleeping, talk to your doctor. Do not take over-the-counter sleep aids without asking first. Many contain antihistamines that can make concussion symptoms worse.
Cold packs on the head and neck can provide temporary relief. They do not treat the concussion itself, but they can numb the pain signals and reduce muscle tension in the neck. Apply a cold pack for 15 to 20 minutes at a time. Always place a cloth between the pack and your skin to prevent frostbite.
What Should You Avoid After a Concussion?
Avoid alcohol for at least the first week, ideally longer. Alcohol slows brain healing and increases the risk of a second injury because it impairs balance and judgment.
Avoid driving until a doctor clears you. Concussions affect reaction time and attention even when you feel mostly normal. Driving too soon after a head injury is dangerous.
Avoid contact sports and any activity that could cause another hit to the head. A second concussion while the first is still healing can cause a condition called second impact syndrome. This is rare but can be fatal. Most experts recommend waiting until all symptoms have resolved and a doctor has given clearance.
Avoid taking blood thinners unless they are prescribed for a medical condition. This includes aspirin, which many people take daily for heart health. If you take aspirin regularly, talk to your doctor about whether to continue it after a concussion.
When Should You Go to the Emergency Room?
Some concussion headaches require immediate emergency care. Do not wait to see if symptoms improve. Go to an emergency room if you experience any of the following:
- A headache that gets progressively worse
- Vomiting more than once
- Seizures
- Slurred speech
- Weakness or numbness in any part of the body
- Confusion that does not clear
- One pupil larger than the other
- Difficulty waking up
- Loss of consciousness lasting more than a few seconds
These symptoms can indicate bleeding in the brain or swelling that requires immediate medical intervention. Concussion headaches are common, but a worsening headache is never something to ignore.
You should also see a doctor within a few days of any concussion, even if you feel fine. A healthcare provider can assess your balance, memory, and coordination. They can also give you a plan for returning to work, school, and exercise safely.
How Long Do Concussion Headaches Last?
Most concussion headaches improve within 1 to 2 weeks. Some people feel better within a few days. Others take longer.
About 10 to 15 percent of people develop a condition called post-concussion syndrome. In this condition, headaches and other symptoms like dizziness, difficulty concentrating, and sleep problems last for weeks or months. The exact reason some people develop this and others do not is not fully understood. A history of migraines, a previous concussion, and the severity of the initial injury all appear to increase the risk.
Persistent headaches after a concussion should be evaluated by a doctor. They may recommend physical therapy for the neck, vision therapy, or medications that target the nervous system. These treatments have varying levels of evidence, and what works for one person may not work for another.
Frequently Asked Questions
Can I take ibuprofen for a concussion headache?
Avoid ibuprofen for the first 48 hours after a concussion because it can increase bleeding risk. After that window, a doctor may approve it, but you should ask first.
Is it safe to sleep with a concussion headache?
Yes, sleeping is safe and helpful for most people with a concussion. Have someone check on you every few hours for the first 24 hours, and wake you to confirm you are responding normally.
How long should I rest after a concussion?
Rest for the first 24 to 48 hours, then begin a gradual return to normal activities. Stop any activity that makes your headache or other symptoms worse.
What makes a concussion headache worse?
Screen time, bright lights, loud noise, physical exertion, and mental effort can all intensify a concussion headache. Alcohol and dehydration also make symptoms worse.

