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Symptom: Red eye
- Introduction: Red eye
- Causes (175 conditions)
- Causes of Types
- Diagnosis Checklist (24 listings)
- Home Diagnostic Testing
- Diagnostic Guides (Online)
- Diagnostic tests (12 listings)
- Multiple Symptom Checker
- Drug causes (91 listings)
- Videos
- Choose Doctor
- Classifications
- News (5 listings)
- Stories from Users
Introduction: Red eye
An inflammation of the eye may be conjunctivitis (which can itself be caused by several other conditions). The eyes can get red for numerous other reasons such as hangover, fever, allergies, hay fever, and other causes.
» Review Causes of Red eye: full list
Causes of Red eye:
The following medical conditions are some of the possible
causes of Red eye.
There are likely to be other possible causes, so ask your doctor
about your symptoms.
- Conjunctivitis
- Hangover
- Marijuana - a form of cannabis
- Cannabis
- Eye infection
- Chlorinated swimming pool
- Eye rubbing
- Pinkeye
- Keratitis
- Keratopathy
- Iritis
- Acute iritis (see Iritis)
- Glaucoma
- Acute glaucoma
- Subconjunctival hemorrhage
- Allergies
- Pollen allergy
- Fever
- Virus
- Common cold
- Flu
- Scleritis
- Episcleritis
- Meningitis
- Corneal ulcer
- Uveitis
- Ophthalmia neonatorum
- Trachoma
- Conjunctival allergy
- Hayfever
See full list of 175 causes of Red eye
» Review Causes of Red eye: full list
Causes of Types of Red eye:
Review the causes of these more specific types of Red eye:
- Bloodshot eyes (18 causes)
- Conjunctivitis (89 causes)
- Red eyelids (4 causes)
- Conjunctival Injection (21 causes)
Red eye: Multiple Symptom Checker
Listed below are some combinations of symptoms associated with Red eye, as listed in our database. Visit the Multiple Symptoms Checker, to add and remove symptoms and research your condition.
Multiple Symptom Checker - Other Symptoms
Multiple Symptom Checker Combinations
- Red eye and Eye symptoms (118 causes)
- Red eye and Pain (108 causes)
- Red eye and Nerve symptoms (103 causes)
- Red eye and Sensations (103 causes)
- Red eye and Head symptoms (77 causes)
- Red eye and Skin symptoms (62 causes)
- Red eye and Face symptoms (60 causes)
- Red eye and Conjunctivitis (56 causes)
- Red eye and Eye pain (54 causes)
- Red eye and Vision changes (54 causes)
- Red eye and Visual problems (54 causes)
- Red eye and Respiratory symptoms (53 causes)
- Red eye and Impaired vision (51 causes)
- Red eye and Vision distortion (50 causes)
- Red eye and Swelling symptoms (48 causes)
- Red eye and Skin problems (47 causes)
- Red eye and Fever (46 causes)
- Red eye and Digestive symptoms (44 causes)
- Red eye and Headache (42 causes)
- Red eye and Temperature symptoms (42 causes)
See full list of 1187 Multiple Symptom Checker combinations related to Red eye
Home Diagnostic Testing and Red eye
Home medical tests possibly related to Red eye:
- Vision & Eye Health: Home Testing:
Causes of General Symptom Types
Research the causes of these more general types of symptom:
- Eye symptoms (2203 causes)
Causes of Similar Symptoms to Red eye
Research the causes of these symptoms that are similar to, or related to, the symptom Red eye:
- Eye pain (203 causes)
- Eye discharge (27 causes)
- Eye symptoms (2203 causes)
- Eyelid symptoms (435 causes)
- Puffy eyes (89 causes)
- Eye swelling (50 causes)
Diagnostic Guides for Red eye
Medical Books Excerpts Read excerpts from published book sections related to Red eye from the following published medical books for more detailed information about Red eye. Free access (no registration): read all online diagnostic book sections about Red eye
Copyright notice for book excerpts: Copyright © 2008 Lippincott Williams & Wilkins. All rights reserved.
Diagnostic tests for Red eye:
Various tests are used in the diagnosis of Red eye. Some of these are listed below :
- Eye inspection
- Note the nature of the red eyes i.e. localized or diffuse redness - e.g. conjunctivitis has clearly defined vessels that covers the entire sclera (white of the eye); episcleritis and scleritis have larger blood shot vessels and are concentrated towards the cornea (coloured area of the eye); iritis has a parallel arrangement of vessels around the periphery of the cornea that are not clearly defined; subconjunctival hemorrhage is a beefy red localized hemorrhage with a definite margin.
- If pain is present and is relieved by local anesthetic drops, this suggests a surface problem such as a corneal ulcer. If eye pain is unrelieved by the anesthetic drops, a deeper problem must be suspected such as iritis
- View iris for any irregularity which may suggest intraocular foreign body
- Stain the surface of the eye with fluorescein eye drops to view the cornea for any foreign bodies and defects. Note any dendritic (branching) ulceration typical of herpes simplex infection
See full list of 12
diagnostic tests for Red eye
Diagnosis Checklist: Questions your doctor may ask (and why!)
During a consultation, your doctor will use various techniques in their assessment of Red eye. Your doctor may ask several questions when assessing your condition. It is important to remember that your consultation is a two-way process and any extra information you can share with your doctor about your symptoms may help them with their diagnosis. Some of the questions your doctor may ask are listed below:
- How long have you noticed the red eye? - to determine if acute or chronic.
- Is it one or both eyes? - if only one eye is red, consider trauma, foreign body, corneal ulcer, iritis, viral conjunctivitis, acute glaucoma. Bacterial conjunctivitis usually starts in one eye but quickly spreads to the other eye.
- What was the manner of onset i.e. sudden or acute - e.g. conjunctivitis or iritis usually has a gradual onset; small foreign body will produce a rapid blood shot eye.
- Is the patient less than one month old? - suggests neonatal conjunctivitis and possible causes include Chlamydia trachomatis, Neisseria gonorrhea, herpes simplex type 2 and other common bacterial organisms. Both parents must be tested for venereal disease and treated accordingly.
- Is the patient elderly? - elderly patients have an increased risk of acute glaucoma, iritis and herpes zoster of the eye.
See Diagnosis Checklist for Red eye (24 listings)
Diagnosis Checklist: Associated symptoms your doctor may ask about (and why!)
Sometimes, other symptoms may be present and may help your doctor analyse your condition. The symptoms your doctor may ask about (in association with Red eye) may include:
- Vision disturbance? - acute glaucoma causes haloes around lights; may have blurred vision with contact hypersensitivity, herpes simplex keratitis, corneal ulcer and acute iritis.
- Eye pain? - Eye pain occurs with iritis, scleritis, episceritis, keratitis, foreign body, glaucoma, cluster headache and herpes zoster. If absence of eye pain may suggest conjunctivitis, marijuana use or alcohol hangover.
- Discharge from eye? - Pus -like discharge with lids sticking together in the morning is typical of bacterial conjunctivitis; watery discharge in viral and allergic conjunctivitis and contact hypersensitivity; reflex wateriness with herpes simplex, corneal ulcer, acute iritis and acute glaucoma.
- Photophobia (intense dislike of light)? - may suggest herpes simplex, corneal ulcer, iritis, welding flash burn and acute glaucoma.
- Watery eyes for sometime beforehand? - suggests viral conjunctivitis that may later become bacterial conjunctivitis.
See Diagnosis Checklist for Red eye (24 listings)
Stories from Users for Red eye
Real-life user stories relating to Red eye:
- Surgery for red eyes????
- I can't get rid of my Bloodshot eyes
- Red bloodshot eyes that hurt!
- painful bloodshot eyes
- bloodshot eyes
- Red small spots under the eyes????
- One eye red, not irritated
- red spots under the eyes
- Red Irritated Eyes - For Over 4 Years
- Bloodshot eyes
- Sore throat,red neck, red eyes,fatigue etc and ideas ?
- Red Eye
- Neighbor's parrot causes redness around the eyes
- Red eyes only in morning when rising ++
- daughter w/ redness in inner corner of both eyes
- Bloodshot Eye and Head Pain
- red spots in the blues of my eyes
- One eye red, but not irritated
- bloodshot eye
- red sores under eyes
Symptom specific forums: The following patient stories in our interactive forums and message boards relate to Red eye or relevant symptoms:
Videos for Red eye
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Whenever you go to a hospital or clinic for a major procedure or diagnostic test, one of the many forms you are given to sign is an "informed...
Protecting from Infection
Germs are a fact of life and catching an infectious disease like a cold may seem inevitable. But there are simple ways to protect yourself against...
Poor Sleep's Effect on Health
Sleep is necessary to feel refreshed, but now we know sleep actually impacts the way the body functions. Sleeping poorly can affect how often you get...
Patient Surveys for Red eye
- Patient Profile Survey
Take Survey View Results - Survey about diseases related to your Red eye
Take Survey View Results
Causes of Red eye listed in Disease Database:
Other medical conditions listed in the Disease Database as possible
causes of Red eye as a symptom include:
- Acute angle-closure glaucoma
- Ataxia telangiectasia
- Bimatoprost
- Cavernous sinus thrombosis
- Choroidal melanoma
- Corneal abrasion
- Dacryocystitis
- Dendritic ulcer
- Diphtheria
- Ectropion (eyelid)
- Endophthalmitis
- Glaucoma, secondary
- Herpes simplex
- Herpes virus 2
- Ophthalmia neonatorum
- Pinguecula
- Pterygium of eye
- Recurrent corneal erosion
- Rubeosis iridis
- Salzmann's nodular degeneration of cornea
See full list of 175
causes of Red eye
- (Source - Diseases Database)
Medications or substances causing Red eye:
The following drugs, medications, substances or toxins are some of the possible
causes of Red eye 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.
- Marijuana - a form of cannabis
- Cannabis
- Pilocarpine
- Salagen
- Neutral Pilocarpine Eye Drops
See full list of 91
medications causing Red eye
Organs affected by Red eye:
The list of organs typically affected by Red eye may include, but is not limited to:
Detailed list of causes of Red eye
The list below shows some of the causes of Red eye mentioned in various sources:
- Acanthamoeba infection - red eyes
- Acanthamoeba infection of the eye - red eyes
- Acanthamoeba keratitis - red eyes
- Acute angle-closure glaucoma
- Acute glaucoma
See full list of 175 causes of Red eye
How Common are these Causes of Red eye?
This information refers to the general prevalence and incidence of these diseases, not to how likely they are to be the actual cause of Red eye. Of the 175 causes of Red eye that we have listed, we have the following prevalence/incidence information:
- 7 causes are "very common" diseases
- 4 causes are "common" diseases
- 3 causes are "uncommon" diseases
- 3 causes are "rare" diseases
- 12 causes are "very rare" diseases
- 152 causes have no prevalence information.
See the analysis of the prevalence of 175
causes of Red eye
Conditions listing symptoms: Red eye:
The following list of conditions have 'Red eye' 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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Conditions listing complications: Red eye:
The following list of conditions have 'Red eye' or similar listed as a complication in our database. The distinction between a symptom and complication is not always clear, and conditions mentioning this symptom as a complication may also be relevant. 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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Join in at the forums
Ask or answer a question about symptoms or diseases at one of our free interactive user forums.
Medical story forums: If you have a medical story then we want to hear it.
Causes of Red eye Based on Risk Factors
This information shows analysis of the list of causes of Red eye based
on whether certain risk factors apply to the patient:
Doctors and specialists: Who should I consult about Red eye?
Depending on the seriousness of the onset of Red eye, you may want to consult one of the following medical professionals.
Important:In extreme cases, always seek advice from emergency services :
- General practitioner
- Emergency physician
- Ophthalmologist
What are the alternative names for Red eye:
Eye red, Bloodshot eye
- (Source - Diseases Database)
Classifications of Red eye:
Subtypes of Red eye:
Bloodshot eyes (13 causes), Conjunctivitis (44 causes), Red eyelids (4 causes), Conjunctival Injection (1 cause)
Medical Conditions associated with Red eye:
Eye symptoms (2167 causes)
Symptoms related to Red eye:
Eye pain (104 causes), Eye discharge (7 causes), Eye symptoms (2167 causes), Eyelid symptoms (423 causes), Puffy eyes (80 causes), Eye swelling (39 causes)
Red eye as a disease:
You may also want to research other Diseases in our Disease Center.
Medical articles on signs and symptoms:
Doctor-patient articles related to symptoms and diagnosis:
- What to tell your doctor about your symptoms
- What questions will the doctor ask about your symptoms (and why)?
- What does your doctor do in a physical examination?
- What questions should you ask the doctor about a symptom or diagnosis?
- What questions to ask the doctor about the treatment
- Steps to take to get the most out of a doctor visit
- More articles on symptoms and diagnosis
These general medical articles may be of interest:
- Medical Symptom Books
- Symptoms of the Silent Killer Diseases
- Online Diagnosis
- Self Diagnosis Pitfalls
- Pitfalls of Online Diagnosis
See full list of premium articles on symptoms and diagnosis
Medical News summaries about Red eye
Our news pages contain the following medical news summaries about Red eye and many other medical conditions:
- A range of common medicines may cause a serious reaction
- Kawasaki disease effects reduced with steroid treatment
- Medications can cause potentially fatal Stevens Johnson Syndrome
- Soy allergy sufferers need to be wary of many foods
- Teens choking for a rush
More Ways To Research Medical Signs and Symptoms:
- Symptom Center - over 2,500 symptoms listed
- Symptom List
- Symptom Descriptions
- All Symptoms
- Diseases Center - find symptom lists for over 8,000 diseases.
- Books on Medical Symptoms
- Books on Medical Diagnosis
» Next page: Causes of Red eye
Medical Tools & Articles:
Next articles:
- Causes of Red eye
- Diagnostic Guides Online for Red eye
- Red Eye (In a Page: Signs and Symptoms)
- Eye Discharge (In A Page: Pediatric Signs and Symptoms)
- Scleral Injection (Red Eye) (In A Page: Pediatric Signs and Symptoms)
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