Symptom: Severe headache

Introduction: Severe headache

Severe headache: A condition which is characterized by a severe headache. See free access online books about Severe headache below. See detailed information below for a list of 56 causes of Severe headache, including diseases and drug side effect causes.

» Review Causes of Severe headache: full list

Causes of Severe headache:

The following medical conditions are some of the possible causes of Severe headache. There are likely to be other possible causes, so ask your doctor about your symptoms.

• Encephalitis
• Hemorrhage

See full list of 56 causes of Severe headache

» Review Causes of Severe headache: full list

Severe headache: Multiple Symptom Checker

Listed below are some combinations of symptoms associated with Severe headache, as listed in our database. Visit the Multiple Symptoms Checker, to add and remove symptoms and research your condition.

Multiple Symptom Checker - Other Symptoms

• Severe headache: Multiple Symptom Checker

Multiple Symptom Checker Combinations

• Severe headache and Head symptoms (54 causes)
• Severe headache and Headache (54 causes)
• Severe headache and Pain (54 causes)
• Severe headache and Nerve symptoms (45 causes)
• Severe headache and Sensations (44 causes)
• Severe headache and Muscle symptoms (37 causes)
• Severe headache and Eye symptoms (37 causes)
• Severe headache and Behavioral symptoms (34 causes)
• Severe headache and Muscle weakness (34 causes)
• Severe headache and Swelling symptoms (32 causes)
• Severe headache and Fatigue (31 causes)
• Severe headache and Digestive symptoms (29 causes)
• Severe headache and Vomiting (28 causes)
• Severe headache and Vision changes (28 causes)
• Severe headache and Visual problems (28 causes)
• Severe headache and Brain symptoms (27 causes)
• Severe headache and Fever (27 causes)
• Severe headache and Vision distortion (27 causes)
• Severe headache and Confusion (27 causes)
• Severe headache and Movement symptoms (27 causes)

See full list of 1043 Multiple Symptom Checker combinations related to Severe headache

Causes of General Symptom Types

Research the causes of these more general types of symptom:

• Headache (977 causes)
• Head symptoms (3835 causes)
• Pain (2979 causes)
• Sensations (3178 causes)
• Nerve symptoms (3463 causes)
• Common symptoms (4552 causes)

Causes of Similar Symptoms to Severe headache

Research the causes of these symptoms that are similar to, or related to, the symptom Severe headache:

• Headache (977 causes)
• Migraine (11 causes)
• Chronic headache
• Pain (2979 causes)
• Head pain

Diagnostic Guides for Severe headache

Medical Books Excerpts Read excertps from published book sections related to Severe headache from the following published medical books for more detailed information about Severe headache. Free access (no registration): read all online diagnostic book sections about Severe headache

Copyright notice for book excerpts: Copyright © 2008 Lippincott Williams & Wilkins. All rights reserved.

Misdiagnosis and Severe headache

Migraine an undiagnosed cause of headache: It is surprising that many migraine sufferers are not initially diagnosed. Although the condition is fairly well known,...read more »

Leg cramps at night a classic sign: The symptom of having leg muscle cramps, particularly at night, is a classic sign of undiagnosed diabetes. However, there are also various...read more »

Mild traumatic brain injury often remains undiagnosed: Although the symptoms of severe brain injury are hard to miss, it is less clear for milder injuries, or even those causing a mild concussion diagnosis. The...read more »

MTBI misdiagnosed as balance problem: When a person has symptoms such as vertigo or dizziness, a diagnosis of brain injury may go overlooked. This is particularly true of mild traumatic brain...read more »

Post-concussive brain injury often misdiagnosed: A study found that soldiers who had suffered a concussive injury in battle often were misdiagnosed on their return. A variety of symptoms can occur in post...read more »

Children with migraine often misdiagnosed: A migraine often fails to be correctly diagnosed in pediatric patients. These patients are not the typical migraine sufferers, but migraines can also occur in children. See misdiagnosis of migraine...read more »

Pituitary conditions often undiagnosed cause of symptoms: There are a variety of symptoms that can be caused by a pituitary disorder (see symptoms of pituitary...read more »

Vitamin B12 deficiency under-diagnosed: The condition of Vitamin B12 deficiency is a possible misdiagnosis of various conditions, such as ...read more »

Subarachnoid hemorrhage mimics migraine: Subarachnoid hemorrhage occurs due to spontaneous bleeding in the subarachnoid space. It presents with severe headache usually over the back, vomiting, and neck stiffness and severe cases with...read more »

Read more about Misdiagnosis and Severe headache

Videos for Severe headache

Medications or substances causing Severe headache:

The following drugs, medications, substances or toxins are some of the possible causes of Severe headache as a symptom. Always advise your doctor of any medications or treatments you are using, including prescription, over-the-counter, supplements, herbal or alternative treatments.

• Kliogest
• Oestriol
• Ovestin tablets and cream
• Oestrone
• Kolpon

See full list of 39 medications causing Severe headache

Drug interactions causing Severe headache:

When combined, certain drugs, medications, substances or toxins may react causing Severe headache as a symptom. Always advise your doctor of any medications or treatments you are using, including prescription, over-the-counter, supplements, herbal or alternative treatments.

• Selegiline and Oral Contraceptive Agent interaction
• Monoamine Oxidase Inhibitors and overripe bananas interaction
• Monoamine Oxidase Inhibitors and Acutrim Late Day Strength Appetite Suppressant interaction
• Monoamine Oxidase Inhibitors and Acutrim II Maximum Strength Appetite Suppressant interaction
• Monoamine Oxidase Inhibitors and Acutrim 16 Hour Steady Control Appetite Suppressant interaction

See full list of 152 drug interactions causing Severe headache

Detailed list of causes of Severe headache

The list below shows some of the causes of Severe headache mentioned in various sources:

• Acute hemorrhagic leukoencephalitis - severe headache
• Acute vitamin A toxicity - severe headache
• African Sleeping sickness - severe headaches
• Aneurysm, intracranial berry - severe headache
• Aneurysm, intracranial berry, 1 - severe headache

See full list of 56 causes of Severe headache

How Common are these Causes of Severe headache?

This information refers to the general prevalence and incidence of these diseases, not to how likely they are to be the actual cause of Severe headache. Of the 56 causes of Severe headache that we have listed, we have the following prevalence/incidence information:

• 3 causes are "very common" diseases
• 2 causes are "common" diseases
• 1 causes are "uncommon" diseases
• 0 causes are "rare" diseases
• 11 causes are "very rare" diseases
• 45 causes have no prevalence information.

See the analysis of the prevalence of 56 causes of Severe headache

Conditions listing symptoms: Severe headache:

The following list of conditions have 'Severe headache' or similar listed as a symptom in our database. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.

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Causes of Severe headache Based on Risk Factors

This information shows analysis of the list of causes of Severe headache based on whether certain risk factors apply to the patient: