Comprehensive Symptom Navigator

Anxiety Disorders

Specialty: Mental Health and Psychology

Category: Adult

Symptoms:
excessive worry; restlessness; fatigue; difficulty concentrating; irritability; muscle tension; sleep disturbances

Root Cause:
Overactivation of the brain's fear and stress response systems, often influenced by genetic, environmental, and psychological factors.

How it's Diagnosed: videos
Clinical evaluation through interviews and questionnaires like the Generalized Anxiety Disorder-7 (GAD-7).

Treatment:
Psychotherapy (e.g., Cognitive Behavioral Therapy), lifestyle modifications (e.g., mindfulness, exercise), and medications.

Medications:
Antidepressants like selective serotonin reuptake inhibitors (SSRIs) (e.g., sertraline , escitalopram ) and serotonin-norepinephrine reuptake inhibitors (SNRIs) (e.g., venlafaxine ). Benzodiazepines (e.g., lorazepam , clonazepam ) may be used short-term for severe symptoms.

Prevalence: How common the health condition is within a specific population.
Approximately 18.1% of adults in the U.S. are affected annually.

Risk Factors: Factors or behaviors that increase the likelihood of developing the condition.
Family history, childhood adversity, chronic stress, comorbid mental health conditions.

Prognosis: The expected outcome or course of the condition over time.
With treatment, most individuals experience significant symptom improvement; untreated, symptoms may persist and worsen over time.

Complications: Additional problems or conditions that may arise as a result of the original condition.
Increased risk of depression, substance use disorders, and chronic physical health problems such as cardiovascular disease.

Generalized Anxiety Disorder (GAD)

Specialty: Pediatrics

Category: Psychiatric and Behavioral Conditions

Sub-category: Mood and Anxiety Disorders

Symptoms:
excessive worry about various aspects of life; difficulty controlling worry; restlessness; fatigue; difficulty concentrating; irritability; muscle tension; sleep disturbances

Root Cause:
Overactivity in brain circuits responsible for fear and worry, influenced by genetic predisposition, environmental stressors, and chemical imbalances.

How it's Diagnosed: videos
Clinical interview and observation based on DSM-5 criteria; questionnaires like the Generalized Anxiety Disorder 7-item scale (GAD-7).

Treatment:
Psychotherapy (especially cognitive-behavioral therapy), relaxation techniques, medications, and lifestyle adjustments such as regular physical activity.

Medications:
SSRIs like fluoxetine or escitalopram and serotonin-norepinephrine reuptake inhibitors (SNRIs) like duloxetine . Benzodiazepines may be used short-term for acute anxiety episodes but are not recommended for long-term use in children.

Prevalence: How common the health condition is within a specific population.
Affects approximately 0.9%-1.9% of children and adolescents worldwide.

Risk Factors: Factors or behaviors that increase the likelihood of developing the condition.
Family history of anxiety or depression, exposure to stressful events, temperament (e.g., behavioral inhibition), and overprotective parenting.

Prognosis: The expected outcome or course of the condition over time.
With appropriate treatment, symptoms can be managed effectively, though GAD often requires ongoing monitoring and intervention due to its chronic nature.

Complications: Additional problems or conditions that may arise as a result of the original condition.
Academic or social difficulties, depression, sleep disorders, and physical health problems like chronic headaches or stomachaches.

Hyponatremia

Specialty: Nephrology

Category: Electrolyte and Acid-Base Disorders

Symptoms:
nausea; vomiting; confusion; headache; seizures; fatigue; restlessness; muscle weakness or spasms; coma in severe cases

Root Cause:
Low sodium concentration in the blood, often caused by excessive water retention, sodium loss, or a combination of both.

How it's Diagnosed: videos
Blood tests measuring serum sodium levels (<135 mEq/L), urine sodium and osmolality, and clinical evaluation of symptoms.

Treatment:
Treatment focuses on addressing the underlying cause, restricting fluid intake, or administering sodium supplementation. Severe cases may require hypertonic saline.

Medications:
Tolvaptan or conivaptan (vasopressin receptor antagonists), diuretics like loop diuretics (e.g., furosemide ) for certain cases, and sodium chloride for supplementation.

Prevalence: How common the health condition is within a specific population.
Common, particularly in hospitalized patients; estimated at 15–30% in such settings.

Risk Factors: Factors or behaviors that increase the likelihood of developing the condition.
Heart failure, liver cirrhosis, kidney disease, SIADH, use of diuretics, excessive water intake, and advanced age.

Prognosis: The expected outcome or course of the condition over time.
Generally good if treated promptly, but severe hyponatremia can lead to permanent neurological damage or death if untreated.

Complications: Additional problems or conditions that may arise as a result of the original condition.
Cerebral edema, seizures, coma, central pontine myelinolysis (from overly rapid correction).

Spider Bites - Black Widow

Specialty: Emergency and Urgent Care

Category: Toxicology and Overdose

Sub-category: Envenomations

Symptoms:
severe muscle cramps; abdominal pain; sweating; high blood pressure; restlessness

Root Cause:
Spider venom contains toxins that affect the nervous system (black widow) or cause local tissue destruction and systemic inflammation (brown recluse).

How it's Diagnosed: videos
Clinical history, observation of the bite area, identification of the spider (if possible), and symptom correlation.

Treatment:
Wound care, supportive care, muscle relaxants for black widow bites, and possibly antivenom. Surgical debridement may be needed for necrotic wounds.

Medications:
Antivenom

Prevalence: How common the health condition is within a specific population.
Exact prevalence unknown; bites are more common in specific geographic areas where these spiders are endemic.

Risk Factors: Factors or behaviors that increase the likelihood of developing the condition.
Working in or near woodpiles, attics, or basements; outdoor activities; handling debris.

Prognosis: The expected outcome or course of the condition over time.
Typically good with prompt treatment; severe complications are rare but may include long-term tissue damage.

Complications: Additional problems or conditions that may arise as a result of the original condition.
Systemic toxicity (black widow), extensive necrosis (brown recluse), secondary infections.

Severe Agitation or Aggression

Specialty: Emergency and Urgent Care

Category: Psychiatric and Behavioral Emergencies

Sub-category: Behavioral Crises

Symptoms:
physical aggression; verbal outbursts; restlessness; disorientation; self-harming behavior; destruction of property

Root Cause:
May stem from psychiatric disorders (e.g., mania, psychosis, personality disorders), substance intoxication or withdrawal, head trauma, or metabolic disturbances (e.g., hypoglycemia).

How it's Diagnosed: videos
Observation of behavior, patient history, physical examination, and ruling out medical causes (e.g., lab work, imaging for head injuries).

Treatment:
De-escalation techniques, physical or chemical restraint (if necessary), treating underlying causes, and possibly hospitalization.

Medications:
Sedatives (e.g., lorazepam ), antipsychotics (e.g., haloperidol or aripiprazole ), mood stabilizers (e.g., carbamazepine for underlying bipolar disorder), and beta-blockers (e.g., propranolol for aggression).

Prevalence: How common the health condition is within a specific population.
Common in emergency settings, particularly among patients with known psychiatric or substance use disorders.

Risk Factors: Factors or behaviors that increase the likelihood of developing the condition.
Mental health disorders, substance use, stressful events, prior history of aggression, traumatic brain injury.

Prognosis: The expected outcome or course of the condition over time.
Good with prompt management and treatment of underlying issues, though recurrence is possible without ongoing care.

Complications: Additional problems or conditions that may arise as a result of the original condition.
Physical harm to self or others, legal issues, social isolation, worsening of underlying conditions.

Hypoxemic Respiratory Failure

Specialty: Pulmonology

Category: Respiratory Failure and Critical Care

Symptoms:
severe shortness of breath; cyanosis; confusion; tachypnea; increased heart rate; restlessness

Root Cause:
Hypoxemic respiratory failure is characterized by low oxygen levels in the blood despite adequate ventilation, often due to diseases affecting gas exchange like pneumonia, pulmonary edema, or pulmonary embolism.

How it's Diagnosed: videos
Diagnosis is made through ABG analysis showing low oxygen levels (PaO2 < 60 mmHg) and normal or low carbon dioxide levels, along with clinical signs of hypoxia.

Treatment:
Treatment involves supplemental oxygen therapy, mechanical ventilation if necessary, and addressing the underlying cause (e.g., antibiotics for infection, diuretics for pulmonary edema).

Medications:
Medications can include antibiotics (e.g., ceftriaxone , azithromycin for pneumonia), diuretics (e.g., furosemide for pulmonary edema), and corticosteroids (e.g., dexamethasone ). These medications are classified as antibiotics, diuretics, and corticosteroids.

Prevalence: How common the health condition is within a specific population.
Common in patients with pneumonia, pulmonary embolism, and acute respiratory distress syndrome.

Risk Factors: Factors or behaviors that increase the likelihood of developing the condition.
Pulmonary infections, trauma, aspiration, acute lung injury, and heart failure.

Prognosis: The expected outcome or course of the condition over time.
Prognosis depends on the underlying cause; with prompt treatment, many patients recover, but severe cases can result in death or long-term complications.

Complications: Additional problems or conditions that may arise as a result of the original condition.
Organ failure, cardiac arrhythmias, brain damage due to prolonged hypoxia, and pulmonary fibrosis in severe cases.

Generalized Anxiety Disorder

Specialty: Senior Health and Geriatrics

Category: Mental Health Disorders

Sub-category: Mood and Anxiety Disorders

Symptoms:
excessive worry about a variety of topics; restlessness; fatigue; difficulty concentrating; muscle tension; sleep disturbances; irritability

Root Cause:
Dysfunctional regulation of anxiety in the brain, often linked to neurotransmitter imbalances or chronic stress.

How it's Diagnosed: videos
Clinical interview, patient history, and assessment using standardized anxiety questionnaires (e.g., GAD-7).

Treatment:
Cognitive Behavioral Therapy (CBT), relaxation techniques, lifestyle changes, medication.

Medications:
SSRIs (e.g., sertraline ), SNRIs (e.g., duloxetine ), or benzodiazepines (e.g., lorazepam ) for short-term relief. These medications help regulate mood and anxiety levels.

Prevalence: How common the health condition is within a specific population.
Around 4-6% of the general population, with a higher prevalence in older adults due to stressors of aging and chronic illness.

Risk Factors: Factors or behaviors that increase the likelihood of developing the condition.
Family history, chronic medical conditions, prolonged stress, previous mental health issues.

Prognosis: The expected outcome or course of the condition over time.
Treatment can significantly reduce symptoms, but GAD may be chronic, requiring ongoing management.

Complications: Additional problems or conditions that may arise as a result of the original condition.
Impaired daily functioning, poor quality of life, increased risk for depression, and physical health problems such as cardiovascular issues due to chronic stress.

Delirium

Specialty: Mental Health and Psychology

Category: Emergency

Sub-category: Cognitive Disorders

Symptoms:
confusion; disorientation; hallucinations; restlessness; fluctuating levels of consciousness; impaired attention

Root Cause:
Acute disturbance in brain function, often caused by an underlying medical condition, medication, or substance withdrawal.

How it's Diagnosed: videos
Clinical evaluation, including history, physical examination, and laboratory tests to identify contributing factors. Use of diagnostic tools like the Confusion Assessment Method (CAM).

Treatment:
Treating the underlying cause (e.g., infection, electrolyte imbalance); supportive care to ensure safety and minimize distress.

Medications:
Antipsychotics like haloperidol or quetiapine for severe agitation; benzodiazepines for delirium caused by alcohol withdrawal.

Prevalence: How common the health condition is within a specific population.
Common in hospitalized patients, especially older adults; occurs in up to 50% of elderly individuals post-surgery.

Risk Factors: Factors or behaviors that increase the likelihood of developing the condition.
Advanced age, pre-existing cognitive impairment, severe illness, substance abuse, or multiple medications.

Prognosis: The expected outcome or course of the condition over time.
Reversible with prompt treatment of the underlying cause; delayed treatment may result in prolonged symptoms or complications.

Complications: Additional problems or conditions that may arise as a result of the original condition.
Long-term cognitive decline, increased risk of institutionalization, and higher mortality rates in severe cases.

Withdrawal syndromes

Specialty: Toxicology

Category: Miscellaneous Toxicological Conditions

Sub-category: Substance Use and Abuse

Symptoms:
anxiety; restlessness; insomnia; nausea; vomiting; sweating; seizures; hallucinations; cravings; muscle pain; tremors

Root Cause:
Withdrawal occurs due to abrupt cessation or reduction in the use of a substance, disrupting the brain's adaptive changes to the drug.

How it's Diagnosed: videos
Clinical evaluation of history, substance use patterns, and physical/psychological symptoms; sometimes aided by withdrawal severity scales.

Treatment:
Gradual tapering of the substance, medications to manage symptoms, supportive care, and behavioral therapy.

Medications:
Alcohol withdrawal - Benzodiazepines (e.g., diazepam , lorazepam ) to prevent seizures and delirium tremens. Opioid withdrawal - Methadone , buprenorphine , or clonidine to manage symptoms and cravings. Nicotine withdrawal - Nicotine replacement therapy (patches, gum), varenicline , or bupropion .

Prevalence: How common the health condition is within a specific population.
Withdrawal syndromes are common among individuals with substance dependence, with prevalence varying based on substance use patterns.

Risk Factors: Factors or behaviors that increase the likelihood of developing the condition.
Prolonged or heavy substance use, abrupt cessation, lack of medical supervision during detoxification.

Prognosis: The expected outcome or course of the condition over time.
Prognosis depends on the substance, duration of use, and treatment adherence; most symptoms resolve with treatment, though cravings and relapse risk may persist.

Complications: Additional problems or conditions that may arise as a result of the original condition.
Severe complications include seizures, delirium tremens (in alcohol withdrawal), dehydration, cardiac arrhythmias, and suicide risk.

Nicotine Addiction

Specialty: Mental Health and Psychology

Category: Addiction

Symptoms:
cravings for nicotine; irritability; anxiety; difficulty concentrating; restlessness; increased appetite

Root Cause:
Nicotine activates dopamine release in the brain, leading to dependence and reinforcement of smoking or vaping behaviors.

How it's Diagnosed: videos
Behavioral and clinical assessment, including patient-reported symptoms and standardized questionnaires (e.g., Fagerström Test for Nicotine Dependence).

Treatment:
Behavioral counseling, nicotine replacement therapy (NRT), and medications to reduce cravings and withdrawal symptoms.

Medications:
Bupropion (antidepressant) and varenicline (nicotine receptor partial agonist) are commonly used. Nicotine gum, patches, and lozenges are NRT options.

Prevalence: How common the health condition is within a specific population.
Around 12.5% of adults in the U.S. smoke cigarettes, with declining prevalence due to public health measures.

Risk Factors: Factors or behaviors that increase the likelihood of developing the condition.
Family history, early exposure, peer pressure, co-occurring psychiatric conditions.

Prognosis: The expected outcome or course of the condition over time.
Success rates for quitting are higher with combined therapy approaches; however, relapse is common without sustained support.

Complications: Additional problems or conditions that may arise as a result of the original condition.
Lung cancer, cardiovascular disease, chronic obstructive pulmonary disease (COPD), and stroke.

Attention Deficit Hyperactivity Disorder (ADHD)

Specialty: Mental Health and Psychology

Category: Child

Symptoms:
inattention; hyperactivity; impulsivity; difficulty staying focused; poor time management; interrupting others; restlessness

Root Cause:
A neurodevelopmental disorder involving deficiencies in executive functioning and regulation of attention and impulse control.

How it's Diagnosed: videos
Based on clinical criteria from DSM-5, patient history, behavioral questionnaires, and input from teachers and parents. No specific diagnostic test is available.

Treatment:
A combination of behavioral therapy, psychoeducation, and pharmacological treatment. School-based accommodations may also be helpful.

Medications:
Stimulants like methylphenidate (Ritalin ) and amphetamines (Adderall ) are first-line treatments. Non-stimulants like atomoxetine (a norepinephrine reuptake inhibitor) or guanfacine (alpha-2 agonist) are alternatives.

Prevalence: How common the health condition is within a specific population.
Affects approximately 5–7% of children worldwide.

Risk Factors: Factors or behaviors that increase the likelihood of developing the condition.
Genetic predisposition, prenatal exposure to alcohol or tobacco, low birth weight, and environmental factors like lead exposure.

Prognosis: The expected outcome or course of the condition over time.
With appropriate treatment, most individuals improve, though symptoms may persist into adulthood in about 60–70% of cases.

Complications: Additional problems or conditions that may arise as a result of the original condition.
Academic difficulties, strained relationships, increased risk of substance abuse, and low self-esteem.

Pinworm (Enterobiasis)

Specialty: Infectious Diseases

Category: Parasitic Infections

Symptoms:
perianal itching; restlessness; irritability; abdominal pain; loss of appetite

Root Cause:
Caused by Enterobius vermicularis, a small intestinal nematode transmitted through ingestion of eggs.

How it's Diagnosed: videos
Visualization of worms or eggs on the perianal area using the "tape test."

Treatment:
Antiparasitic medications and hygiene measures to prevent reinfection.

Medications:
Mebendazole or albendazole (broad-spectrum anti-helminthics), pyrantel pamoate .

Prevalence: How common the health condition is within a specific population.
Common worldwide, especially among children in crowded settings.

Risk Factors: Factors or behaviors that increase the likelihood of developing the condition.
Poor hygiene, close contact with infected individuals.

Prognosis: The expected outcome or course of the condition over time.
Easily treatable with medications and proper hygiene.

Complications: Additional problems or conditions that may arise as a result of the original condition.
Rarely, chronic infections can cause appendicitis or other gastrointestinal issues.