New Headache and Scalp Tenderness After 50: Is It Giant Cell Arteritis?

A new headache with scalp tenderness after 50 can be giant cell arteritis (GCA), an inflammation of medium and large arteries, including those at the temples. Many headaches at this age have other causes, but GCA deserves same-day evaluation because it can damage vision if untreated. This article covers the warning signs, jaw and vision symptoms, how clinicians evaluate it, how it is treated, and which changes call for 911.

New headache and scalp tenderness after 50: why giant cell arteritis is on the list

Giant cell arteritis is a form of vasculitis, which means inflammation of blood vessels. According to MedlinePlus (NIH), GCA affects the arteries, especially those in the head and neck, and it occurs mainly in adults over 50. Inflammation can narrow the artery wall and reduce blood flow to the tissues it supplies.

The reason it matters is the location. Arteries that feed the scalp, jaw muscles and the eye can be involved. When blood flow to the eye's nerve is reduced, vision can be affected, and that damage may be permanent. Several factors seem to contribute to the disease, and the exact mechanism is not fully understood. Researchers describe immune cells gathering in the artery wall, as outlined in an NIH-hosted review of the pathogenesis of giant cell arteritis.

A new headache in someone over 50 is much more often tension-type or another benign pattern than GCA. One symptom alone does not establish the condition. The combination of features below is what raises clinicians' concern.

What the headache and scalp tenderness of GCA can feel like

The headache in GCA is often new. People describe it as different from headaches they have had before. It may be felt at the temples, the front, the back of the head, or across the scalp, and it can be throbbing or steady.

• Scalp tenderness: brushing your hair, resting your head on a pillow or wearing glasses may hurt. The temple area can feel sore to the touch, and the artery there may look prominent or feel firm.
• Jaw pain with chewing: an aching or tiring jaw that builds during a meal and eases when you rest is called jaw claudication. It can be an early sign of GCA, though jaw joint problems can also cause chewing pain.
• Vision changes: blurred vision, double vision, or a curtain-like dim area in one eye.
• General illness: fatigue, a low-grade fever, night sweats, loss of appetite and unintended weight loss can occur. In older adults, fever may be low or absent even when inflammation is significant.
• Shoulder and hip aching: some people also have the morning stiffness of polymyalgia rheumatica, a related condition that MedlinePlus describes as often occurring alongside GCA. That topic has its own article on this site.

Not everyone has every symptom. Some people have vision symptoms with little headache, and some have headache with no jaw symptoms.

Why vision symptoms change the urgency

The main reason clinicians act quickly on suspected GCA is the risk to sight. If the arteries supplying the optic nerve are inflamed, the nerve can be starved of blood. Vision loss from this process can be partial or complete, and it may not recover once it has happened. It can sometimes affect the second eye, which is one reason treatment is started promptly once the suspicion is strong.

Warning signs can include brief episodes of blurred or dim vision that clear, double vision, or a shadow in part of your visual field. Brief episodes are not harmless. They can be a warning of reduced blood flow to the eye and need emergency evaluation, even if your vision returns to normal. Sudden loss of vision in one eye also needs emergency care.

Imaging research is also looking at how GCA shows up in and around the eye. A systematic review of orbital MRI in GCA with eye involvement, hosted by NIH, describes imaging findings in affected people, which may help support a diagnosis alongside other tests.

Other causes of a new headache with a tender scalp

Many conditions can mimic part of this picture. Knowing them can help you describe your symptoms accurately to a clinician, though it is not a way to rule GCA out at home.

• Shingles: nerve pain and skin tenderness on one side of the scalp or face can appear before the blister rash. Tell your clinician if the pain stays on one side or if you notice any new skin changes.
• Temporomandibular disorders: MedlinePlus lists jaw pain, facial pain and headaches among the symptoms of problems with the jaw joint and chewing muscles. Pain here usually relates to joint movement and may come with clicking.
• Tension-type headache and migraine: these are common and can come with scalp sensitivity. They usually have a longer history, though new patterns can appear later in life.
• Sinus or dental problems: these can cause pressure and tenderness in the face and temples.
• Medication effects and other conditions: some drugs and illnesses can cause new headaches, so bring a full medication list to the visit.

Our article on common causes of headache and when to worry covers general headache patterns. Here the question is narrower: a new headache after 50, especially with scalp or jaw symptoms, deserves a clinician's attention instead of waiting to see if it passes.

How clinicians evaluate suspected giant cell arteritis

There is no single test that settles the question. Clinicians combine your history, an examination and testing.

• History and exam: they will ask when the headache began, whether chewing hurts, and whether you have had vision changes, fever, weight loss or shoulder and hip stiffness. They may feel the temple arteries, check pulses in the arms and examine your eyes.
• Blood tests: markers of inflammation, such as erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP), are often raised in GCA. They can also be raised by infections and other conditions, and a normal result does not by itself exclude GCA, so results are interpreted with the rest of the picture.
• Temporal artery biopsy: a small piece of artery is removed and examined for the inflammation that characterizes the disease. It is usually a short outpatient procedure.
• Imaging: ultrasound of the temporal arteries and MRI are among the imaging methods used in some centers, and imaging of larger vessels may be considered when the aorta is a concern.

When suspicion is high, many clinicians begin treatment before the biopsy results are back so that vision is not put at risk while waiting. A biopsy done soon after treatment starts can still be informative, though your clinician will decide timing.

Treatment and what to ask your prescriber

Treatment for GCA is aimed at calming inflammation and protecting vision. MedlinePlus notes that corticosteroids such as prednisone are the standard medicine, often at a high starting dose that is lowered slowly over time. Doses and schedules are set by your treating clinician, and the course can last a long time.

Corticosteroids carry important cautions, listed on the medication label and pharmacy information. Long-term use may be associated with bone thinning, higher blood sugar, higher blood pressure, mood and sleep changes, weight gain, infection risk and cataracts. Do not stop steroids suddenly or change your dose on your own, because the body may need time to adjust and the disease can flare. Ask your prescriber or pharmacist what to watch for and whether bone protection, blood sugar checks or other monitoring are appropriate for you.

Some people are also offered a steroid-sparing medicine such as tocilizumab, which targets an inflammation signal called interleukin-6. Research on how long to continue it, including the MAGICA trial protocol hosted by NIH, is still evolving. Whether to use it, and for how long, is a decision for you and your specialist. Researchers are also studying antiplatelet therapy such as low-dose aspirin in GCA, and the evidence is still being assembled. Do not start aspirin on your own for suspected or diagnosed GCA. It is not routinely recommended for this condition, and it adds bleeding risk, especially alongside steroids. Ask your clinician.

Complications beyond the eyes

GCA can involve larger arteries, including the aorta and its branches. Over time, inflammation of the aorta may be associated with widening of the vessel wall (aneurysm), and reduced blood flow to the brain can contribute to stroke. These complications are less common than headache and jaw symptoms, but they are a reason your clinician may recommend follow-up visits even after symptoms improve. Report new arm pain with use, differences in blood pressure between arms, chest or back pain, or any stroke symptom.

GCA belongs to a wider family of vasculitis conditions, described by MedlinePlus, and related large-vessel diseases such as Takayasu arteritis tend to affect younger people. Age is one of the features that helps clinicians tell them apart.

What to do if this sounds like you

• Call your clinician or an urgent care service the same day and say clearly: "I am over 50 with a new headache and scalp tenderness, and I am worried about giant cell arteritis." If you cannot reach someone, go to an emergency department.
• Write down when the headache began, where it hurts, whether chewing, brushing your hair or lying on that side makes it worse, and any change in vision, even brief. If vision changes happen, go to the emergency room.
• List your medications, including aspirin, any steroid use and over-the-counter pain relievers, so the clinician can interpret your blood tests and plan treatment.
• Mention any shoulder or hip stiffness, fever, night sweats or weight loss, since these details help connect the picture.
• If you are given steroids, follow the label and your prescriber's instructions, and ask what side effects should prompt a call.

Over-the-counter pain relievers may ease discomfort but can hide a pattern that needs evaluation. If symptoms persist, getting seen is more reliable than waiting to see whether the headache fades.

When to Seek Medical Care