Head Possible Conditions ============================== Abscess Acoustic neuroma Acute angle-closure glaucoma Acute kidney failure Acute sinusitis Acute stress reaction Adie's pupil Agoraphobia Alcohol intoxication Alcohol withdrawal (delirium tremens) Allergic reaction Alopecia Amphetamine withdrawal Anaphylactic shock Anemia Anemia, aplastic Anemia, chronic disease Anemia, hemolytic Anemia, iron deficiency Angioedema Angular cheilitis Anorexia nervosa Anosmia Anthrax (inhaled) Antibiotic use Aortic aneurysm (abdomen) Aortic regurgitation Aortic stenosis Asperger syndrome Aspirin poisoning Aspirin use Asthma (teen and adult) Astigmatism Atopic dermatitis Atrial fibrillation Atrial flutter Attention deficit hyperactivity disorder (ADHD) Auricular hematoma Autism Bacterial pneumonia Barbiturate abuse Bee or wasp stings Bells palsy Benign eye floaters Benign lipoma Benign paroxysmal positional vertigo (BPPV) Benzodiazepine abuse Bipolar disorder Bird (avian) flu Black eye Blepharitis Blocked tear (nasolacrimal) duct Blood clotting disorder Botulinum poisoning Botulinum toxin (Botox) injection Brain aneurysm Brain infection Brain injury Brain tumor Broken (fractured) eye socket Broken (fractured) facial bone Broken (fractured) jaw Broken (fractured) nose Bronchial adenoma Bronchitis Bruise or contusion Bulimia Burn (heat or fire) Caffeine withdrawal Canker sores Carbon monoxide poisoning Cat-scratch disease Cataract surgery (lens implant) Cataracts Cauliflower ear Cavernous sinus thrombosis Cervical (neck) spondylosis Chagas disease Chalazion Chemical burns Chronic kidney disease Chronic sinusitis Cluster headache Cocaine abuse Cocaine withdrawal Cold exposure Color blindness Common cold Concussion Constipation (adult) Contact dermatitis Contact lens use Corneal abrasion (scratch) Corneal flash burns Corneal ulcer Coxsackie virus infection Crohn's disease Cryptococcosis Cushing's syndrome Cyanide poisoning Cystic fibrosis Dehydration (Adult) Dementia in head injury Dengue fever Dental abscess Dental caries (cavities) Depression (Adult) Dermatitis Dermatomyositis Diabetes, type 1 Diabetes, type 2 Diabetic eye disease Diabetic ketoacidosis Diabetic neuropathy Drug allergy Drug overdose Drug withdrawal Dry eye syndrome Dry eyes Dry mouth Dry mouth syndrome (xerostomia) Dust exposure Ear canal infection Earwax blockage Eating certain foods Eating disorder Electrocution Emphysema Encephalitis Endocarditis Epidermal (sebaceous) cyst Epiglottitis Epilepsy (absence or petit mal seizures) Epilepsy (complex partial seizures) Epilepsy (simple partial seizures) Epilepsy (temporal lobe) Epilepsy (tonic clonic or grand mal seizures) Erythema multiforme Esophageal cancer Esophageal spasm Esophageal stricture Esophagitis Excessive caffeine use Exercise or physical activity Exposure to loud noise Eye allergies Eye injury Eyelid inflammation (blepharitis) Facial tic Fainting (vasovagal syncope) Falls or injury Fissured tongue Foreign object in the ear canal Foreign object in the eye Foreign object in the nose Gastroenteritis Generalized anxiety disorder Gingivitis Glaucoma Glomerulonephritis Glycogen Storage Disease Type II Goiter Grief reaction Hay fever Head injury Head lice Hearing loss Heart rhythm disorder Heartburn/GERD Heat exhaustion Heat exposure Heat stroke (hyperthermia) Hematoma Hemophilia Hepatitis A Hepatitis B Hernia High blood pressure (hypertension) Histoplasmosis Horner's syndrome Hypersomnia disorder Hyperthyroidism Hyperventilation Hypocalcemia Hypoparathyroidism Hypopituitarism Hypothermia Hypothyroidism (adult) Indigestion Indoor allergens Inflammatory bowel disease Influenza (flu) adults Inhalant intoxication Insect bites Insect sting Insomnia Insulin reaction (hypoglycemia) Intoxication Intracranial hematoma Iritis Iron poisoning Japanese encephalitis Kidney infection (pyelonephritis) Labyrinthitis Laryngitis Lazy eye Lead poisoning Legionella (Legionnaires disease) Local anesthetic toxicity Low blood pressure (hypotension) Low blood sugar (hypoglycemia) Lupus (systemic lupus erythematosus) Lyme disease Mad cow disease Malaria Male pattern baldness Malnutrition Malocclusion (bite out of alignment) Marijuana (cannibis) use Measles Medication reaction or side-effect Meniere's disease Meningitis Mesenteric lymphadenitis Methamphetamine use Methanol poisoning Middle ear infection Migraine headache (adult) Mononucleosis Mouth (oral) cancer Multiple sclerosis Mumps Myasthenia gravis Myxedema coma Narcolepsy Narcotic abuse Nasal congestion Nasal dryness Nasal irritation Nasal polyps Nearsightedness Nicotine withdrawal/cessation of smoking Night eating syndrome Nightmares Nitrogen narcosis Nonallergic rhinitis Normal variation Normal-tension glaucoma Noroviruses (Norwalk-like viruses) Obsessive compulsive personality disorder Ocular migraine Optic neuritis Oral (mouth) herpes Osteogenesis imperfecta Osteomyelitis (bone infection) Overeating Panic attack Pellagra Pemphigus Pericarditis Perichondritis Periodic limb movement disorder Periodontal (gum) disease Peripheral neuropathy Phencyclidine use Phlebitis Physical abuse Pica Pilonidal cyst Pink eye (conjunctivitis) Pinworms Plague Poison ivy, oak, and sumac Poisoning Porphyria Post-traumatic stress disorder (PTSD) Postconcussive syndrome Pre-leukemia (myelodysplastic syndrome) Pseudohypoparathyroidism Pulmonary embolism Pulmonary hypertension REM sleep behavior disorder Rabies Radial keratotomy (Lasik) surgery Radiation sickness Restless legs syndrome Retinal detachment Rheumatic fever Rheumatoid arthritis Rhinophyma Ricin poisoning Rosacea Rubbing eyelids Ruptured eardrum Salivary duct obstruction (sialolithiasis) Sarcoidosis Scarlet fever Schizophrenia Scurvy (vitamin C deficiency) Seasonal depression (SAD) Seborrheic dermatitis Severe allergic reaction (anaphylactic shock) Shingles (herpes zoster) Shock Short-acting sedative use Sickle cell disease Sjogren's syndrome Sleep apnea Sleep deprivation Small intestine cancer Smoke exposure Social anxiety disorder Sporotrichosis Strained voice (vocal cords) Stuck eyelash Sty (hordeolum) Subconjunctival hemorrhage (bleeding in eye) Substance-induced mood disorder Sunburn Supraventricular tachycardia Swallowed object Swimmer's ear Swollen glands Synaesthesia Syphilis (male) Telogen effluvium Temporomandibular joint syndrome (TMJ) Tension headache Tetanus Tetany Thalassemia Thermal burn of mouth or tongue Throat cancer Thrombocytopeni Thrombocytopenia Thrush (adults) Thyroid cancer Thyroid storm Tick bite Tonsillitis Toothache Toothbrush irritation Torticollis Tourette syndrome Toxic shock syndrome Transient global amnesia Trauma or injury Trichotillomania Trigeminal neuralgia (facial nerve pain) Trismus Tuberculosis Typhoid fever Ulcerative colitis Upper airway obstruction Urinary tract infection (UTI) Valley fever (coccidioidomycosis) Ventricular septal defect Viral pharyngitis Viral pneumonia Vitamin B12 deficiency Vocal cord polyp Wernicke syndrome West nile virus Whooping cough Wind exposure nil ossible Conditions sible Conditions