Symptoms A-Z
Browse symptoms to learn about possible causes and the lab tests that may help investigate them.
A
- Abdomen Tender to Touch
- Abdominal distention
- Abdominal Fat
- Abdominal pain
- Abdominal wall muscle weakness
- Abnormal bleeding
- Abnormal fear-induced behavior
- Abnormal onset of bleeding
- Abnormal umbilical stump bleeding
- Abnormal Vaginal Discharge
- Abnormality of the philtrum
- Acholic stools
- Acne
- Action tremor
- Adult onset sensorineural hearing impairment
- Allergic rhinitis
- Alopecia
- Alopecia of scalp
- Anal Itching
- Anal Pain
- Anemia
- Ankle swelling
- Ankle weakness
- Anxiety
- Arm Pain
- Arthralgia
- Arthralgia of the hip
- Arthralgia/arthritis
- Asthenia
- Asymmetric Mole
- Atonic seizure
- Atypical absence seizure
- Aura
- Autonomic erectile dysfunction
- Avoidance Behavior
- Axial muscle weakness
B
- Back pain
- Balance Problems
- Big Toe Pain
- Bilateral conductive hearing impairment
- Bilateral facial palsy
- Bilateral sensorineural hearing impairment
- Bilateral tonic-clonic seizure
- Bilateral tonic-clonic seizure on awakening
- Bilateral tonic-clonic seizure with focal onset
- Bipolar affective disorder
- Black Stools
- Blackheads and Whiteheads
- Bladder Problems
- Bleeding Mole
- Bleeding with minor or no trauma
- Blepharospasm
- Blind Spots
- Blindness
- Blister Rash
- Bloating
- Bloody diarrhea
- Blurred vision
- Bone Fracture
- Bone Pain
- Brain fog
- Breast Dimpling
- Breast Lump
- Breast Pain
- Breast Tenderness
- Breathing Pauses
- Breathing Pauses During Sleep
- Breathlessness When Lying Flat
- Brittle Nails
- Bruising susceptibility
- Bulbar palsy
- Bulging Eyes
- Bullseye Rash
- Burning Eyes
- Burning Pain
- Butterfly Rash
- Buttock Pain
C
- Calf Tenderness
- Central Vision Loss
- Cerebral edema
- Cerebral hemorrhage
- Change in Bowel Habits
- Changing Mole
- Chest pain
- Chest Tightness
- Chills
- Chronic constipation
- Chronic cough
- Chronic diarrhea
- Chronic fatigue
- Chronic Pelvic Pain
- Clay-Colored Stool
- Clonic seizure
- Clubbed Fingertips
- Cluster headache
- Cognitive Impairment
- Cold Feet
- Cold Intolerance
- Complex febrile seizure
- Conductive hearing impairment
- Confusion
- Conjunctival hyperemia
- Constipation
- Convulsive Seizure
- Cough
- Curved Upper Back
D
- Dark urine
- Darkened Skin
- Daytime Sleepiness
- Decreased Need for Sleep
- Decreased Urine Output
- Deep Swelling Under Skin
- Deeply set eye
- Dehydration
- Depression
- Diaphragmatic weakness
- Diarrhea
- Difficulty Closing the Eye
- Difficulty Concentrating
- Difficulty Starting Urination
- Diplopia
- Distal lower limb muscle weakness
- Distal muscle weakness
- Distal upper limb muscle weakness
- Distorted Vision
- Dizziness
- Drooling
- Drowsiness
- Dry Eyes
- Dry Mouth
- Dry skin
- Dyspepsia
- Dysphagia
- Dyspnea
E
- Ear Discharge
- Ear Fullness
- Ear pain
- Ear Swelling
- Early onset absence seizures
- Edema
- Elbow Pain
- Elevated Mood
- Emotional dearth
- Epileptic spasm
- Episodic abdominal pain
- Episodic apnea induced by febrile illness or stress
- Episodic flaccid weakness
- Episodic paroxysmal anxiety
- Episodic respiratory distress
- Episodic vomiting
- Epistaxis
- Erectile dysfunction
- Excess Facial or Body Hair
- Excess Gas
- Excess Tearing
- Excessive bleeding after a venipuncture
- Excessive bleeding from superficial cuts
- Excessive daytime somnolence
- Excessive Sleep
- Excessive Sweating
- Excessive Thirst
- Exercise-induced muscle fatigue
- Exercise-induced myalgia
- Exertional dyspnea
- External ophthalmoplegia
- Eye Discharge
- Eye Floaters
- Eye Irritation
- Eye Itching
F
- Facial diplegia
- Facial edema
- Facial Flushing
- Facial Pain
- Facial palsy
- Facial Pressure
- Facial Redness
- Facial tics
- Faded Colors
- Failure to thrive
- Fainting
- Fatigable weakness
- Fatigable weakness of bulbar muscles
- Fatigable weakness of distal limb muscles
- Fatigable weakness of neck muscles
- Fatigable weakness of respiratory muscles
- Fatigable weakness of skeletal muscles
- Fatigable weakness of swallowing muscles
- Fatiguable weakness of proximal limb muscles
- Fatigue
- Fear of Dying
- Febrile convulsion
- Febrile status epilepticus
- Feelings of Worthlessness
- Fever
- Finger swelling
- First dorsal interossei muscle weakness
- Flank Pain
- Flu-Like Symptoms
- Fluid-Filled Blisters
- Flushing
- Focal autonomic seizure
- Focal aware motor seizure
- Focal aware seizure
- Focal clonic seizure
- Focal emotional seizure with laughing
- Focal hemiclonic seizure
- Focal hemifacial clonic seizure
- Focal impaired awareness seizure
- Focal motor seizure
- Focal myoclonic seizure
- Focal seizure with eyelid myoclonia
- Focal sensory seizure
- Focal sensory seizure with olfactory features
- Focal sensory seizure with visual features
- Focal tonic seizure
- Focal-onset seizure
- Foot dorsiflexor weakness
- Foot Pain
- Foot Weakness
- Forearm Pain
- Frequent Infections
- Frequent Urination
- Frontalis muscle weakness
G
- Gastroesophageal reflux
- Gastrointestinal hemorrhage
- General Malaise
- Generalised tonic-clonic seizure without focal onset
- Generalized clonic seizure
- Generalized lymphadenopathy
- Generalized muscle weakness
- Generalized myoclonic seizure
- Generalized myoclonic-atonic seizure
- Generalized non-motor (absence) seizure
- Generalized tonic seizure
- Generalized-onset seizure
- Genital Blisters
- Genital Sores
- Genital Warts
- Gingival bleeding
- Glare Sensitivity
- Goiter
- Groin Pain
H
- Halitosis
- Halos Around Lights
- Hand muscle weakness
- Hand Numbness
- Hand Pain
- Hand Tingling
- Hand tremor
- Hand Weakness
- Head tremor
- Headache
- Hearing impairment
- Hearing Loss
- Heartburn
- Heat intolerance
- Heavy Scrotum
- Heel Pain
- Height Loss
- Hematemesis
- Hematochezia
- Hematuria
- Hemiparesis
- Hemiplegia/hemiparesis
- Hemoptysis
- Hip flexor weakness
- Hip pain
- Hoarse voice
- Hot Flashes
- Hunger
- Hydroureter
- Hyperactivity
- Hypertension
- Hypervigilance
- Hypocalcemic seizures
- Hypoesthesia
- Hypoglycemic seizures
- Hypotension
- Hypoventilation
I
- Impaired Ig class switch recombination
- Impulsivity
- Inability to Fully Empty Bladder
- Inattention
- Increased Appetite
- Increased body weight
- Increased muscle fatiguability
- Infantile sensorineural hearing impairment
- Infertility
- Inflamed Tongue
- Inflated Self-Esteem
- Infrequent Periods
- Insomnia
- Insulin Resistance
- Intention tremor
- Intercostal muscle weakness
- Intermittent diarrhea
- Intermittent episodes of respiratory insufficiency due to muscle weakness
- Intermittent jaundice
- Internal hemorrhage
- Intestinal bleeding
- Intracranial hemorrhage
- Intractable diarrhea
- Intrahepatic cholestasis with episodic jaundice
- Intrusive Memories
- Intrusive Thoughts
- Inverted Nipple
- Involuntary Eye Movement
- Iron Deficiency
- Iron Deficiency Anemia
- Irregular Periods
- Irritability
- Isometric tremor
- Itchy Blistering Rash
- Itchy Ear
- Itchy Eyes
- Itchy Nose
- Itchy Skin
J
K
L
- Language Difficulties
- Late-onset proximal muscle weakness
- Leg Cramping with Walking
- Leg Discomfort
- Leg Pain
- Leg Pain with Exercise
- Leg Swelling
- Leg Ulcers
- Light Sensitivity
- Lightheadedness
- Limb muscle weakness
- Limb tremor
- Limb-girdle muscle weakness
- Limited Range of Motion
- Localized Swelling
- Loss of Interest
- Loss of Smell
- Loss of Taste
- Low back pain
- Low Blood Sugar Symptoms
- Low Mood
- Low Sex Drive
- Low Urine Output
- Low-frequency sensorineural hearing impairment
- Low-grade fever
- Lower Abdominal Pain
- Lower Left Abdomen Pain
- Lower limb muscle weakness
- Lower Right Abdomen Pain
- Lymphedema
M
- Maintenance insomnia
- Mandibular pain
- Masked Facial Expression
- Memory impairment
- Menorrhagia
- Metrorrhagia
- Microscopic hematuria
- Migraine
- Mildly reduced visual acuity
- Mitochondrial swelling
- Mixed hearing impairment
- Moderately reduced visual acuity
- Mood Changes
- Mood Swings
- Morning Headache
- Morning Heel Pain
- Morning Stiffness
- Mouth Pain
- Mouth Sores
- Muffled Voice
- Multifocal seizures
- Multinodular goiter
- Muscle Cramps
- Muscle fibrillation
- Muscle Pain
- Muscle Spasms and Twitching
- Muscle Stiffness
- Muscle Tension
- Muscle weakness
- Myalgia
- Myoclonic absence seizure
- Myoclonic seizure
N
- Nail Pitting
- Nasal congestion
- Nausea
- Nausea and vomiting
- Neck flexor weakness
- Neck Lump
- Neck muscle weakness
- Neck pain
- Neonatal seizure
- Night Pain
- Night sweats
- Nightmares
- Nighttime Cough
- Nighttime Hand Symptoms
- Nipple Discharge
- Nocturnal seizures
- Nodular goiter
- Noisy Breathing
- Nonproductive cough
O
- Ocular pain
- Oily Stools
- One-Sided Eye Pain
- One-Sided Hearing Loss
- Ophthalmoparesis
- Opportunistic Infections
- Optic Nerve Inflammation
- Oral bleeding
- Oral cavity bleeding
P
- Pain
- Pain Around the Belly Button
- Pain Crisis
- Pain Trigger Points
- Painful Intercourse
- Painful Periods
- Painful Sores
- Painful Swallowing
- Painful Urination
- Painless Sore
- Pale Skin
- Palpebral edema
- Palpitations
- Paresthesia
- Pedal edema
- Pelvic girdle muscle weakness
- Pelvic pain
- Pelvic Pressure
- Percussion myotonia
- Pericarditis
- Periodic fever
- Periorbital fullness
- Peroneal muscle weakness
- Persistent bleeding after trauma
- Persistent fever
- Personality Changes
- Pharyngalgia
- Pharyngeal edema
- Photosensitive myoclonic seizure
- Photosensitive tonic-clonic seizure
- Pica
- Pill-rolling tremor
- Pollakisuria
- Poor appetite
- Poor Balance
- Poor Judgment
- Poor suck
- Poor Wound Healing
- Post-partum hemorrhage
- Postnasal Drip
- Postural tremor
- Pressured Speech
- Productive cough
- Progressive distal muscle weakness
- Progressive hearing impairment
- Progressive muscle weakness
- Progressive proximal muscle weakness
- Progressive sensorineural hearing impairment
- Progressive visual loss
- Projectile vomiting
- Prolonged bleeding after dental extraction
- Prolonged bleeding after surgery
- Prolonged bleeding following circumcision
- Prolonged bleeding following procedure
- Prolonged bleeding time
- Prolonged neonatal jaundice
- Protracted diarrhea
- Proximal lower limb muscle weakness
- Proximal muscle weakness
- Proximal upper limb muscle weakness
- Pruritus
- Pulsing Abdomen
- Pus-Filled Bumps
Q
R
- Radiating Pain
- Raised Itchy Welts
- Rapid Breathing
- Rapid Heart Rate
- Rapid Heartbeat
- Recurrent fever
- Recurrent intrapulmonary hemorrhage
- Recurrent paroxysmal headache
- Recurrent pharyngitis
- Recurrent singultus
- Red Eye
- Red Scaly Patches
- Red Skin Bumps
- Red-green dyschromatopsia
- Redness in Mouth
- Redness Over a Joint
- Reduced consciousness
- Reduced Muscle Mass
- Reduced Range of Motion
- Reduced Sense of Smell
- Reduced Skin Elasticity
- Reduced Spine Mobility
- Reduced Visual Acuity
- Regurgitation
- Repetitive Behaviors
- Respiratory insufficiency due to muscle weakness
- Resting tremor
- Restlessness
- Restricted Interests
- Retinal hemorrhage
- Rhinorrhea
- Right Upper Abdomen Pain
- Ring-Shaped Rash
- Rounded Face
S
- Scalp Tenderness
- Scaly Scalp
- Scaly Skin
- Scapular winging
- Scapuloperoneal weakness
- Scarring
- Scarring alopecia of scalp
- Scrotal Swelling
- Secretory diarrhea
- Seizure
- Sensorineural hearing impairment
- Sensory Sensitivities
- Severe sensorineural hearing impairment
- Severely reduced visual acuity
- Short term memory impairment
- Shoulder girdle muscle weakness
- Shoulder pain
- Side Vision Loss
- Simple febrile seizure
- Skin Discoloration
- Skin nodule
- Skin Nodules
- Skin rash
- Skin Redness
- Skin Stretch Marks
- Skin Swelling
- Sleep Apnea
- Sleep Disorders
- Sleep Disturbances
- Sleep onset insomnia
- Slow Growth
- Slow Heart Rate
- Slow Wound Healing
- Slowed Movement
- Slowed Thoughts and Movements
- Slurred Speech
- Small Handwriting
- Small Skin Bumps
- Sneezing
- Snoring
- Social Communication Difficulties
- Social Withdrawal
- Sore Throat
- Sound Sensitivity
- Spider Veins on Face
- ST segment depression
- Stabbing Pain
- Status epilepticus
- Stiff Neck
- Straining with Bowel Movements
- Subcutaneous hemorrhage
- Sudden Chest Pain
- Sudden Joint Pain
- Sudden Shortness of Breath
- Sudden Urge to Urinate
- Sun Sensitivity
- Swelling
- Swelling of proximal interphalangeal joints
- Swollen Armpit Lymph Nodes
- Swollen Hands and Feet
- Swollen Lymph Nodes
- Swollen Neck Lymph Nodes
- Symmetric Joint Pain
T
- Tailbone Pain
- Taste Changes
- Tenderness
- Tendon Insertion Pain
- Testicular Lump
- Testicular Pain
- Thenar muscle weakness
- Thickened Skin
- Thirst
- Throbbing Headache
- Thunderclap headache
- Thyroid Nodule
- Thyrotoxicosis with diffuse goiter
- Tibialis muscle weakness
- Tinnitus
- Tongue fasciculations
- Tongue muscle weakness
- Tongue tremor
- Tonic seizure
- Tonsil Pus
- Tremor
- Tremor by anatomical site
- Triceps weakness
- Typical absence seizure
U
- Unexplained fevers
- Unilateral facial palsy
- Unrefreshing Sleep
- Upper Abdominal Pain
- Upper eyelid edema
- Upper limb muscle weakness
- Upper limb postural tremor
- Urethral Discharge
- Urge to Move Legs
- Urge to Urinate
- Urinary incontinence
- Urinary Urgency
- Urticaria
V
- Vaginal Dryness
- Vaginal Itching
- Varicose Veins
- Vertigo
- Violent Coughing Fits
- Visual Disturbances
- Visual loss
- Visually-induced seizure
- Vocal cord paresis
- Vomiting
- Vomiting After Coughing
W
- Waking to Urinate at Night
- Warm Skin
- Watery Eyes
- Weak Foot Pulses
- Weak Grip
- Weak Urine Stream
- Weakness due to upper motor neuron dysfunction
- Weakness of facial musculature
- Weakness of long finger extensor muscles
- Weakness of muscles of respiration
- Weakness of orbicularis oculi muscle
- Weakness of the intrinsic hand muscles
- Weight Gain
- Weight loss
- Wheezing
- White Patches in Mouth
- Whooping Sound
- Widespread Body Pain
- Worsening Symptoms After Activity
- Wound Drainage
- Wrist Pain
- Wrist swelling