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PubMed This is a summary of 19 peer-reviewed journal articles Updated
Neurology

Can Men, Children, or Thin People Get IIH? What to Know

At a Glance

Yes, men, children, and people of normal or low body weight can develop Idiopathic Intracranial Hypertension (IIH). If you are in this atypical group, doctors will thoroughly investigate for secondary causes like medications or blood clots before confirming an IIH diagnosis.

In this answer

2 sections

01

Looking for Secondary Causes

02

How IIH Affects Atypical Groups

Yes. While Idiopathic Intracranial Hypertension (IIH) is most frequently diagnosed in overweight women of childbearing age, it can and does occur in men, children, and people of average or low body weight [1][2][3].

If you do not fit the “classic” profile, your diagnosis is still completely valid. However, because you are in an atypical demographic, your medical team will likely investigate your symptoms more thoroughly. They need to ensure there are no hidden, secondary causes before confirming that your condition is truly “idiopathic” (which means the cause is unknown).

Looking for Secondary Causes

When a man, young child, or person of average weight develops symptoms of high spinal fluid pressure, doctors must first rule out secondary pseudotumor cerebri syndrome [4][3]. This means searching for a specific, identifiable trigger that caused the pressure to rise. Common secondary triggers include:

  • Medications: Certain drugs are known to increase intracranial pressure. These include tetracycline antibiotics (such as doxycycline or minocycline), high doses of vitamin A or synthetic retinoids (often used for acne), lithium, and growth hormones [5].
  • Blood Clots: A condition called cerebral venous sinus thrombosis (CVST)—a blood clot in the brain’s venous drainage system—can perfectly mimic the symptoms of IIH [3][6]. It is critical that your brain imaging includes a Magnetic Resonance Venography (MRV) or Computed Tomography Venography (CTV) scan to thoroughly check the blood flow in these veins [6][7].
  • Other Health Conditions: Severe anemia, obstructive sleep apnea (OSA) [8][9], thyroid disorders [10], or autoimmune diseases like systemic lupus erythematosus (SLE) [11] can also contribute to elevated pressure. In conditions like SLE, this is often because the autoimmune disease increases the likelihood of developing blood clots.

How IIH Affects Atypical Groups

IIH can behave slightly differently depending on who it affects, particularly regarding how high pressure impacts the eyes. The elevated spinal fluid pressure can cause the optic nerves at the back of your eyes to swell, a condition called papilledema [12][13]. This swelling is what actually threatens your vision and why doctors monitor it so closely.

  • Men: Although IIH is much less common in men, it requires very careful monitoring. Men with IIH often face a higher risk of severe and rapid vision loss [2][1]. While this sounds alarming, permanent vision loss is not guaranteed. When caught early and monitored closely, treatments are highly effective at protecting the optic nerve. Be on the lookout for brief blackouts in your vision, double vision, or blind spots, and report these to your doctor immediately [14][15].
  • Children: Pediatric IIH varies significantly by age. While teenagers who develop IIH often fit the classic profile (associated with rapid weight gain or obesity), younger, prepubescent children frequently develop the condition without being overweight at all, and it affects boys and girls at roughly equal rates in this age group [16].
  • Thin or Normal-Weight Adults: For patients who are not overweight, standard treatment advice that focuses on weight loss is not applicable. Instead, your doctor will focus directly on medications (like acetazolamide) to reduce the production of spinal fluid [17]. If medication is insufficient and vision becomes threatened, there are specific surgical options, such as optic nerve sheath decompression (creating a tiny window in the nerve covering to relieve pressure) or venous sinus stenting (placing a small tube to keep a vein open) [18][19].

Being an atypical IIH patient can sometimes feel isolating when most support groups and medical literature focus on a demographic you don’t belong to. However, your symptoms are just as real, and the same fundamental goals apply: reducing the pressure in your head, relieving your headaches, and protecting your vision.

Common questions in this guide

Can you get IIH without being overweight?
Yes, while IIH is most common in overweight women of childbearing age, people of average or low body weight can develop it. For these patients, doctors focus treatment directly on medications or surgery rather than recommending weight loss.
How does IIH affect men differently?
Men with IIH often face a higher risk of severe and rapid vision loss compared to women. Because of this risk, men require very careful monitoring by eye specialists to protect the optic nerve and preserve vision.
Does IIH in children look different than in adults?
It depends on their age. While teenagers who develop IIH often fit the classic profile associated with weight gain, younger prepubescent children frequently develop the condition without being overweight, and it affects boys and girls at roughly equal rates.
What medications can trigger IIH symptoms?
Certain medications are known to increase intracranial pressure, causing secondary pseudotumor cerebri syndrome. These include tetracycline antibiotics, high doses of vitamin A or synthetic retinoids, lithium, and growth hormones.
Why do doctors check for blood clots if I have IIH symptoms?
A blood clot in the brain's venous drainage system can perfectly mimic the symptoms of IIH. Doctors use specialized imaging scans like an MRV or CTV to check blood flow and completely rule out a clot before confirming an idiopathic diagnosis.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.Did my brain imaging include a Venography scan (MRV or CTV) to definitively rule out a blood clot in my brain's veins?
  2. 2.Could any of my current or past medications, including over-the-counter supplements, have triggered this increase in pressure?
  3. 3.Since typical weight loss advice doesn't apply to my specific situation, what is our primary medication strategy for managing my intracranial pressure?
  4. 4.How often should we be checking my visual fields and optic nerves to monitor my papilledema, given my specific demographic and risk profile?

Questions For You

Tap a prompt to share your answer — we'll use it plus this page's context to start a tailored conversation.

Related questions

Can You Have IIH Without Swollen Optic Nerves?How Does Acetazolamide (Diamox) Work for IIH?How Much Weight Loss is Needed for IIH?Is Bariatric Surgery an Effective Treatment for IIH?Is Idiopathic Intracranial Hypertension a Brain Tumor?Is Topiramate (Topamax) Effective for IIH?What Are the Side Effects of Acetazolamide (Diamox)?What Causes High Cerebrospinal Fluid Pressure in IIH?Pulsatile Tinnitus in IIH: Why You Hear Your HeartbeatWhat Causes Transient Visual Obscurations in IIH?What Does an IIH Headache Feel Like? Symptoms ExplainedWhat is a High Lumbar Puncture Opening Pressure for IIH?What Is a Post-Lumbar Puncture Headache & How to Treat ItWhat Is Transverse Sinus Stenosis in IIH?What Drugs Cause Secondary Intracranial Hypertension?When Should You Go to the ER for IIH Symptoms?Why is a Lumbar Puncture Required for IIH Diagnosis?Why is an MRI Required Before an IIH Diagnosis?Why Must You Lie on Your Side for an IIH Lumbar Puncture?

References

References (19)
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    A Man's Struggle With Idiopathic Intracranial Hypertension: A Unique Case Study.

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This page provides informational content about IIH in atypical demographics and does not constitute medical advice. Always consult your neurologist or ophthalmologist regarding your specific symptoms and treatment plan.

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