Condition Browser
Explore our knowledge base of medical conditions.
Allergic Rhinitis
Allergy/ImmuneInflammation of the nasal passages caused by an allergic response to airborne substances like pollen or dust.
Common Symptoms:
Risk Factors:
- Family history of allergies
- Asthma
- Eczema
Seek care: If symptoms significantly affect quality of life, or over-the-counter medications are not effective.
Anxiety Disorder
Mental HealthA mental health condition characterized by persistent, excessive worry and fear that interferes with daily activities.
Common Symptoms:
Risk Factors:
- Family history
- Trauma
- Stress
Seek care: If anxiety significantly interferes with work, relationships, or daily activities, or if you have thoughts of self-harm.
Asthma
RespiratoryA chronic condition in which the airways narrow, swell, and produce extra mucus, making breathing difficult.
Common Symptoms:
Risk Factors:
- Family history
- Allergies
- Obesity
Seek care: If you have rapid worsening of shortness of breath, no improvement after using inhaler, or shortness of breath with minimal activity.
Chronic Fatigue Syndrome
GeneralA complex disorder characterized by extreme fatigue that cannot be explained by an underlying medical condition.
Common Symptoms:
Risk Factors:
- Female sex
- Age 40-60
- Stress
Seek care: If fatigue is severe enough to impair daily activities, persists for more than 6 months, or is accompanied by unexplained symptoms.
Common Cold
RespiratoryA viral infection of the upper respiratory tract causing mild symptoms that typically resolve within 7-10 days.
Common Symptoms:
Risk Factors:
- Weakened immune system
- Cold weather exposure
- Close contact with infected individuals
Seek care: If symptoms last more than 10 days, fever exceeds 103F (39.4C), or symptoms worsen after initial improvement.
Contact Dermatitis
DermatologicalA red, itchy rash caused by direct contact with a substance that irritates the skin or triggers an allergic reaction.
Common Symptoms:
Risk Factors:
- Occupational exposure to irritants
- History of allergies
- Frequent hand washing
Seek care: If the rash is widespread, painful, infected, or affects the face or genitals.
Gastroenteritis
GastrointestinalInflammation of the stomach and intestines, commonly called stomach flu, usually caused by viral or bacterial infection.
Common Symptoms:
Risk Factors:
- Contaminated food or water
- Close contact with infected person
- Weakened immune system
Seek care: If you cannot keep fluids down for 24 hours, have bloody diarrhea, fever over 104F, or signs of dehydration.
Gastroesophageal Reflux Disease (GERD)
GastrointestinalA chronic digestive disease where stomach acid frequently flows back into the esophagus, causing irritation.
Common Symptoms:
Risk Factors:
- Obesity
- Pregnancy
- Smoking
Seek care: If you have severe or frequent heartburn, difficulty swallowing, persistent nausea, or unexplained weight loss.
Hypertension
CardiovascularPersistently elevated blood pressure that can damage blood vessels and organs over time. Often has no obvious symptoms.
Common Symptoms:
Risk Factors:
- Age
- Family history
- Obesity
Seek care: If blood pressure readings consistently exceed 140/90, or you experience severe headache, chest pain, or vision changes.
Hypothyroidism
EndocrineA condition in which the thyroid gland does not produce enough thyroid hormone, slowing the body's metabolism.
Common Symptoms:
Risk Factors:
- Female sex
- Age over 60
- Family history
Seek care: If you have persistent fatigue, unexplained weight gain, constipation, or puffy face.
Influenza (Flu)
RespiratoryA contagious respiratory illness caused by influenza viruses, often more severe than a cold with sudden onset.
Common Symptoms:
Risk Factors:
- Age over 65
- Chronic conditions
- Pregnancy
Seek care: If you have difficulty breathing, persistent chest pain, confusion, or severe vomiting.
Iron Deficiency Anemia
HematologicalA condition where the blood lacks adequate healthy red blood cells due to insufficient iron.
Common Symptoms:
Risk Factors:
- Heavy menstrual periods
- Vegetarian diet
- Frequent blood donation
Seek care: If you have persistent fatigue, shortness of breath, dizziness, or pale skin.
Irritable Bowel Syndrome (IBS)
GastrointestinalA chronic gastrointestinal disorder causing abdominal pain and changes in bowel habits without structural abnormalities.
Common Symptoms:
Risk Factors:
- Female sex
- Age under 50
- Family history
Seek care: If you have unexplained weight loss, rectal bleeding, persistent vomiting, or difficulty swallowing.
Migraine
NeurologicalA neurological condition causing intense, throbbing headache usually on one side, often accompanied by nausea and sensitivity to light.
Common Symptoms:
Risk Factors:
- Family history
- Stress
- Hormonal changes
Seek care: If headache is sudden and severe (thunderclap), accompanied by fever, stiff neck, confusion, or neurological symptoms.
Mononucleosis
InfectiousAn infectious illness usually caused by Epstein-Barr virus, common in teenagers and young adults.
Common Symptoms:
Risk Factors:
- Age 15-25
- Close contact with infected person
- Sharing utensils
Seek care: If you develop severe abdominal pain (possible splenic enlargement), difficulty breathing, or symptoms lasting more than 2 weeks.
Pneumonia
RespiratoryAn infection that inflames the air sacs in one or both lungs, which may fill with fluid or pus.
Common Symptoms:
Risk Factors:
- Age over 65 or under 2
- Chronic lung disease
- Smoking
Seek care: If you have difficulty breathing, chest pain, persistent fever of 102F or higher, or cough with pus.
Rheumatoid Arthritis
AutoimmuneA chronic autoimmune disorder that primarily affects joints, causing painful swelling that can lead to joint deformity.
Common Symptoms:
Risk Factors:
- Female sex
- Age 40-60
- Family history
Seek care: If you have persistent joint swelling, morning stiffness lasting more than 30 minutes, or progressive joint deformity.
Sinusitis
RespiratoryInflammation or swelling of the tissue lining the sinuses, often caused by infection.
Common Symptoms:
Risk Factors:
- Allergic rhinitis
- Nasal polyps
- Deviated septum
Seek care: If symptoms last more than 10 days, fever over 102F, or symptoms worsen after initial improvement.
Strep Throat
InfectiousA bacterial infection of the throat and tonsils caused by Group A Streptococcus.
Common Symptoms:
Risk Factors:
- Age 5-15
- Close contact with infected person
- Season (winter/spring)
Seek care: If sore throat is severe, lasts more than 48 hours, is accompanied by rash, or difficulty breathing.
Tension Headache
NeurologicalThe most common type of headache, typically causing a dull, aching pain on both sides of the head.
Common Symptoms:
Risk Factors:
- Stress
- Poor posture
- Eyestrain
Seek care: If headaches are frequent (more than 15 days per month), increasingly severe, or accompanied by neurological symptoms.
Type 2 Diabetes
EndocrineA chronic metabolic condition where the body becomes resistant to insulin or does not produce enough, leading to high blood sugar.
Common Symptoms:
Risk Factors:
- Obesity
- Sedentary lifestyle
- Family history
Seek care: If you experience extreme thirst, very frequent urination, unexplained weight loss, or blurred vision.
Urinary Tract Infection
UrologicalAn infection in any part of the urinary system, most commonly affecting the bladder and urethra.
Common Symptoms:
Risk Factors:
- Female sex
- Sexual activity
- Certain types of birth control
Seek care: If you have fever, chills, back or side pain (possible kidney infection), blood in urine, or symptoms persist after treatment.