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Macroamylasemia
Macroglobulinemia of Waldenstrom
Macular degeneration - age-related
Major depression
Major depression with psychotic features
Malabsorption
Malaria
Male pattern baldness
Malignant hypertension
Malignant hyperthermia
Malignant otitis externa
Malignant teratoma
Mallory-Weiss tear
Malnutrition
Malocclusion of teeth
Maple syrup urine disease
Marfan syndrome
Marijuana intoxication
Mastoiditis
Mathematics disorder
McArdle syndrome
McCune-Albright syndrome
Measles
Meatal stenosis
Meckel's diverticulum
Meconium aspiration syndrome
Mediastinal tumor
Mediastinitis
Medullary carcinoma of thyroid
Medullary cystic kidney disease
Meibomianitis
Melanoma
Melanoma of the eye
Melasma
Membranoproliferative GN
Membranous nephropathy
Meniere’s disease
Meningitis
Meningitis - cryptococcal
Meningitis - gram-negative
Meningitis - H. influenzae
Meningitis - meningococcal
Meningitis - pneumococcal
Meningitis - staphylococcal
Meningitis - tuberculous
Meningococcemia
Menkes syndrome
Menopause
Mesenteric artery ischemia
Mesenteric venous thrombosis
Mesothelioma - benign-fibrous
Mesothelioma - malignant
Metabolic acidosis
Metabolic neuropathies
Metabolic syndrome
Metachromatic leukodystrophy
Metastatic brain tumor
Metastatic cancer to the lung
Metastatic pleural tumor
Metatarsus adductus
Methemoglobinemia
Methemoglobinemia - acquired
Methylmalonic acidemia
Methylmercury poisoning
Migraine
Milia
Milk-alkali syndrome
Minimal change disease
Miscarriage
Miscarriage - threatened
Mitral stenosis
Mitral valve prolapse
Mitral valve regurgitation
Mittelschmerz
Molluscum contagiosum
Mongolian blue spots
Mononeuritis multiplex
Mononeuropathy
Mononucleosis
Morquio syndrome
Morton's neuroma
Mosaicism
Mouth ulcers
MRSA
Mucormycosis
Mucous cyst
Multifocal atrial tachycardia
Multi-infarct dementia
Multiple endocrine neoplasia (MEN) I
Multiple endocrine neoplasia (MEN) II
Multiple lentigines syndrome
Multiple myeloma
Multiple sclerosis
Multiple system atrophy
Mumps
Munchausen syndrome by proxy
Muscular dystrophy
Myasthenia gravis
Mycoplasma pneumonia
Myelofibrosis
Myelomeningocele
Myocardial contusion
Myocarditis
Myocarditis - pediatric
Myopathic changes
Myositis
Myotonia congenita

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Symptoms

Abdominal pain Appetite - decreased Appetite - increased Bloody or tarry stools Constipation Dry skin Flu Food poisoning Gas - flatulence Indigestion Lump in the abdomen Nausea and vomiting

Abdominal pain Appetite - decreased Appetite - increased Bloody or tarry stools Constipation Dry skin Flu Food poisoning Gas - flatulence Heartburn Hepatitis Indigestion Lump in the abdomen Nausea and vomiting Ulcers

Dry skin Muscle aches Muscle cramps Spinal injury

Back pain Dry skin Muscle aches Muscle cramps Slipped disk Spinal injury

Bloody or tarry stools Constipation Diarrhea

Bloody or tarry stools Constipation Diarrhea Hemorrhoids Rectal inflammation Sciatica

Asthma - children Breathing difficulties - first aid Bronchitis Chest pain Chickenpox Cough Flu Hiccups Hives Hyperventilation Pneumonia Rashes

Asthma Breathing difficulties - first aid Bronchitis Chest pain Cough Flu Heart palpitations Hiccups Hives Hyperventilation Pneumonia Rashes

Asthma Breast lump Breast pain Breathing difficulties - first aid Bronchitis Chest pain Cough Flu Heart palpitations Hiccups Hives Hyperventilation Pneumonia Rashes

Allergies Common cold Ear emergencies Ear infection - acute Mononucleosis Nasal congestion Nasal discharge Nosebleed Sinusitis Snoring - adults Strep throat Swollen lymph nodes Tinnitus Wax blockage

Dry eyes Eye burning - itching and discharge Eye emergencies Eye pain Eye redness Eyelid bump Eyelid twitch Pink eye Vision problems

Bedwetting Groin lump Groin pain Hernia Rashes Swollen lymph nodes Urinary tract infection - adults Urine - bloody

Enlarged prostate Erection problems Frequent or urgent urination Genital warts Groin lump Groin pain Hernia Jock itch Rashes Swollen lymph nodes Testicle pain Urinary incontinence Urinary tract infection - adults Urination - difficulty with flow Urine - bloody

Frequent or urgent urination Genital warts Groin lump Groin pain Hernia Menopause Painful menstrual periods Rashes Swollen lymph nodes Urinary incontinence Urinary tract infection - adults Urine - bloody Vaginal discharge Vaginal itching

Acne Alertness - decreased Concussion Depression Dizziness Dry skin Face pain Facial swelling Fainting Fever Head injury Headache Migraine Sleeping difficulty Stress and anxiety Swollen lymph nodes TMJ disorders Unconsciousness - first aid

Acne Alertness - decreased Alzheimer's disease Concussion Dandruff Depression Dizziness Dry skin Face pain Facial swelling Fainting Fever Hair loss Head injury Headache Migraine Sleeping difficulty Stress and anxiety Stroke Swollen lymph nodes TMJ disorders Unconsciousness - first aid

Ankle pain Athlete's foot Dry skin Foot pain Heel pain Hip pain Hives Ingrown toenail Joint swelling Knee pain Leg pain Muscle aches Muscle cramps Nail abnormalities Numbness and tingling Rashes Sprains Strains Walking abnormalities

Ankle pain Arthritis Athlete's foot Bunions Corns and calluses Dry skin Foot pain Foot, leg, and ankle swelling Heel pain Hip pain Hives Ingrown toenail Joint swelling Knee pain Leg pain Muscle aches Muscle cramps Nail abnormalities Numbness and tingling Rashes Runner's knee Sprains Strains Walking abnormalities

Allergies Dry skin Elbow pain Hives Muscle aches Muscle cramps Nail abnormalities Numbness and tingling Rashes Shoulder pain Sprains Strains Swollen lymph nodes Warts Wrist pain

Allergies Arthritis Carpal tunnel syndrome Dry skin Elbow pain Hives Muscle aches Muscle cramps Nail abnormalities Numbness and tingling Rashes Shoulder pain Sprains Strains Swollen lymph nodes Tremor Warts Wrist pain

Breath odor Broken or knocked out tooth Canker sore Dental cavities Gingivitis Mouth sores Mouth ulcers Thrush TMJ disorders Tongue problems Toothaches

Acne Neck lump Neck pain Spinal injury Swollen lymph nodes Whiplash

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