A symptom is something you experience: tiredness, pain, bloating, dizziness, itching, coughing, brain fog, changes in your bowel movements, difficulty sleeping or hundreds of other changes in the way your body feels or functions.
Symptoms can have many different explanations, and the same symptom can occur in many different conditions and involve several different body systems.
This is why looking at a symptom in isolation rarely tells the whole story.
Natural Body Intelligence encourages you to look more widely:
- What are you experiencing?
- Which body systems may be involved?
- What other symptoms are occurring alongside it?
- What recognised conditions can produce this pattern?
- What has changed in your diet, lifestyle, sleep, stress, environment or general health?
Use this directory as a starting point for understanding those connections.
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Important: Symptoms can sometimes indicate a condition requiring medical assessment. This directory is educational and is not intended to diagnose the cause of a symptom. New, severe, unexplained or persistent symptoms should not automatically be attributed to detoxification or healing.
Find a Symptom
Energy, Fatigue & General Wellbeing
- Fatigue
- Persistent tiredness
- Exhaustion
- Weakness
- Low energy
- Sudden loss of energy
- Exercise intolerance
- Post-exertional exhaustion
- Malaise
- Feeling generally unwell
- Lethargy
- Lack of stamina
- Feeling heavy
- Feeling faint
- Feeling shaky
- Unexplained weight loss
- Unexplained weight gain
- Loss of appetite
- Increased appetite
- Excessive thirst
- Dehydration
- Chills
- Fever
- Feeling unusually cold
- Feeling unusually hot
- Night sweats
- Excessive sweating
- Reduced sweating
Related body systems
Related conditions
- Chronic Fatigue
- Anaemia
- Thyroid Conditions
- Fibromyalgia
- Diabetes
- Low Blood Pressure
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Brain, Thinking & Cognitive Symptoms
- Brain fog
- Poor concentration
- Difficulty thinking clearly
- Forgetfulness
- Memory problems
- Confusion
- Disorientation
- Difficulty finding words
- Slowed thinking
- Racing thoughts
- Mental fatigue
- Difficulty making decisions
- Reduced attention span
- Feeling detached
- Feeling unreal
- Sensitivity to stimulation
Related body systems
Related conditions
- Migraine
- Chronic Fatigue
- Anaemia
- Dementia
- Alzheimer’s Disease
- Anxiety
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Emotional & Nervous Symptoms
- Anxiety
- Nervousness
- Restlessness
- Feeling wired
- Panic sensations
- Sense of dread
- Irritability
- Mood swings
- Emotional sensitivity
- Feeling overwhelmed
- Low mood
- Loss of motivation
- Loss of interest
- Difficulty relaxing
- Feeling constantly alert
- Emotional exhaustion
- Low stress tolerance
- Sudden emotional changes
- Tearfulness
- Agitation
Related body systems
Related conditions
- Anxiety
- Panic Attacks
- Depression
- Burnout
- PTSD
- Nervous Exhaustion
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Head & Facial Symptoms
- Headache
- Migraine
- Pressure in the head
- Facial pressure
- Facial pain
- Temple pain
- Pain behind the eyes
- Forehead pressure
- Scalp tenderness
- Tingling scalp
- Facial numbness
- Facial tingling
- Facial weakness
- Facial swelling
- Jaw pain
- Jaw clicking
- Jaw stiffness
- Teeth grinding
- Facial flushing
Related body systems
Related conditions
- Migraine
- Sinusitis
- TMJ Disorders
- High Blood Pressure
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Dizziness, Balance & Sensory Symptoms
- Dizziness
- Light-headedness
- Vertigo
- Loss of balance
- Unsteadiness
- Feeling faint
- Fainting
- Motion sensitivity
- Pins and needles
- Tingling
- Numbness
- Burning sensations
- Electric-shock sensations
- Increased sensitivity to touch
- Reduced sensation
- Trembling
- Tremor
Related body systems
Related conditions
- Vertigo
- Low Blood Pressure
- Migraine
- Peripheral Neuropathy
- Multiple Sclerosis
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Eye & Vision Symptoms
- Blurred vision
- Double vision
- Reduced vision
- Temporary vision loss
- Floaters
- Flashing lights
- Light sensitivity
- Eye pain
- Eye pressure
- Dry eyes
- Watery eyes
- Itchy eyes
- Red eyes
- Bloodshot eyes
- Swollen eyelids
- Eye discharge
- Difficulty focusing
- Night vision problems
- Visual disturbances
- Halos around lights
Related body systems
Related conditions
- Astigmatism
- Cataracts
- Glaucoma
- Migraine
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Ear & Hearing Symptoms
- Earache
- Ear pressure
- Blocked ears
- Ringing in the ears
- Tinnitus
- Reduced hearing
- Sudden hearing loss
- Sound sensitivity
- Ear discharge
- Itchy ears
- Popping or crackling ears
- Fullness in the ears
- Balance problems
Related body systems
Related conditions
- Tinnitus
- Hearing Loss
- Vertigo
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Nose, Sinus & Throat Symptoms
- Runny nose
- Blocked nose
- Nasal congestion
- Sneezing
- Postnasal drip
- Excess mucus
- Thick mucus
- Sinus pressure
- Reduced sense of smell
- Loss of smell
- Nosebleeds
- Dry nose
- Sore throat
- Scratchy throat
- Hoarse voice
- Loss of voice
- Difficulty swallowing
- Painful swallowing
- Feeling of a lump in the throat
- Throat clearing
- Swollen glands
- Bad breath
- Dry mouth
- Excess saliva
Related body systems
Related conditions
- Sinusitis
- Allergic Rhinitis / Hay Fever
- Tonsillitis
- Acid Reflux
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Breathing & Chest Symptoms
- Shortness of breath
- Breathlessness
- Difficulty taking a deep breath
- Shallow breathing
- Rapid breathing
- Wheezing
- Cough
- Dry cough
- Persistent cough
- Coughing up mucus
- Chest congestion
- Chest tightness
- Chest pressure
- Chest pain
- Pain when breathing
- Breathlessness on exertion
- Breathlessness when lying down
Related body systems
Related conditions
- Asthma
- Bronchitis
- Pneumonia
- Emphysema
- Anaemia
- Anxiety
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Heart & Circulation Symptoms
- Heart palpitations
- Racing heartbeat
- Slow heartbeat
- Irregular heartbeat
- Skipped beats
- Pounding heartbeat
- Chest discomfort
- Cold hands
- Cold feet
- Poor circulation
- Blue or pale fingers
- Swollen ankles
- Swollen legs
- Fluid retention
- Flushing
- Faintness when standing
- Dizziness when standing
Related body systems
Related conditions
- Atrial Fibrillation
- Angina
- High Blood Pressure
- Low Blood Pressure
- Anaemia
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Digestive Symptoms
- Bloating
- Abdominal bloating
- Trapped wind
- Excessive gas
- Foul-smelling gas
- Burping
- Indigestion
- Heartburn
- Acid reflux
- Abdominal pain
- Stomach pain
- Abdominal cramps
- Stomach cramps
- Upper abdominal discomfort
- Lower abdominal discomfort
- Feeling excessively full
- Feeling full quickly
- Nausea
- Vomiting
- Loss of appetite
- Increased appetite
- Food intolerance symptoms
- Difficulty digesting food
- Gurgling stomach
- Abdominal tenderness
Related body systems
Related conditions
- IBS
- Acid Reflux / GERD
- Gastritis
- Colitis
- Gallstones
- SIBO
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Bowel & Stool Symptoms
- Constipation
- Diarrhoea
- Loose stools
- Hard stools
- Pellet-like stools
- Frequent bowel movements
- Infrequent bowel movements
- Urgency to open bowels
- Straining
- Feeling of incomplete emptying
- Changes in stool colour
- Pale stools
- Dark stools
- Black stools
- Blood in stool
- Mucus in stool
- Greasy or oily stools
- Floating stools
- Unusually foul-smelling stools
- Narrow stools
- Bowel leakage
- Rectal pain
- Rectal itching
- Rectal bleeding
Related body systems
Related conditions
- Constipation
- IBS
- Colitis
- Crohn’s Disease
- Haemorrhoids
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Urinary & Kidney Symptoms
- Frequent urination
- Urgent urination
- Excessive urination
- Reduced urination
- Difficulty starting urination
- Weak urine stream
- Interrupted urine stream
- Painful urination
- Burning when urinating
- Blood in urine
- Cloudy urine
- Dark urine
- Strong-smelling urine
- Foamy urine
- Urinary leakage
- Night-time urination
- Difficulty emptying the bladder
- Bladder pain
- Flank pain
- Kidney-area pain
Related body systems
Related conditions
- Kidney Stones
- Urinary Tract Conditions
- Diabetes
- Prostate Conditions
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Skin Symptoms
- Itching
- Rash
- Redness
- Dry skin
- Flaky skin
- Peeling skin
- Oily skin
- Acne
- Spots
- Pimples
- Blackheads
- Whiteheads
- Boils
- Blisters
- Hives
- Welts
- Skin swelling
- Skin tenderness
- Burning skin
- Tingling skin
- Skin discolouration
- Dark patches
- Pale patches
- Easy bruising
- Slow-healing skin
- Cracked skin
- Skin thickening
- Lumps under the skin
- Excessive sweating
- Unusual body odour
Related body systems
Related conditions
- Eczema
- Acne
- Psoriasis
- Boils and Skin Abscesses
- Seborrhoeic Dermatitis
- Hives
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Hair & Nail Symptoms
- Hair loss
- Hair thinning
- Excessive hair shedding
- Dry or brittle hair
- Changes in hair texture
- Brittle nails
- Splitting nails
- Peeling nails
- Ridged nails
- Discoloured nails
- Thickened nails
- Nail pitting
- Slow nail growth
- Ingrown nails
Related body systems
Related conditions
- Alopecia
- Anaemia
- Thyroid Conditions
- Psoriasis
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Muscle, Joint & Movement Symptoms
- Muscle pain
- Muscle aches
- Muscle weakness
- Muscle cramps
- Muscle spasms
- Muscle twitching
- Joint pain
- Joint stiffness
- Joint swelling
- Reduced range of movement
- Back pain
- Lower back pain
- Upper back pain
- Neck pain
- Neck stiffness
- Shoulder pain
- Hip pain
- Knee pain
- Hand pain
- Foot pain
- Leg pain
- Arm pain
- Sciatic pain
- Generalised body aches
- Difficulty walking
- Poor coordination
- Tremor
Related body systems
Related conditions
- Arthritis
- Fibromyalgia
- Sciatica
- Gout
- Osteoporosis
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Swelling, Lumps & Lymphatic Symptoms
- Swollen lymph nodes
- Swollen glands
- Neck swelling
- Armpit swelling
- Groin swelling
- General swelling
- Puffy face
- Puffy eyes
- Swollen fingers
- Swollen feet
- Swollen ankles
- Swollen legs
- Fluid retention
- Localised lumps
- Unexplained masses
Related body systems
Related conditions
- Lymphoedema
- Thyroid Conditions
- Kidney Conditions
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Hormonal & Metabolic Symptoms
- Unexplained weight change
- Excessive thirst
- Excessive hunger
- Frequent urination
- Heat intolerance
- Cold intolerance
- Hot flushes
- Night sweats
- Changes in body temperature
- Energy fluctuations
- Shakiness
- Changes in appetite
- Changes in body hair
- Hair thinning
- Changes in skin
- Changes in menstrual cycle
- Changes in sexual function
Related body systems
Related conditions
- Diabetes
- Thyroid Conditions
- Menopause
- PCOS
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Menstrual & Female Reproductive Symptoms
- Irregular periods
- Missed periods
- Heavy periods
- Light periods
- Painful periods
- Menstrual cramps
- Bleeding between periods
- Bleeding after sex
- Pelvic pain
- Pelvic pressure
- Vaginal dryness
- Vaginal discharge
- Vaginal itching
- Pain during sex
- Reduced libido
- Hot flushes
- Night sweats
- Breast tenderness
- Breast pain
- Breast lumps
- Nipple discharge
Related body systems
Related conditions
- Menopause
- Endometriosis
- PCOS
- Fibroids
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Male Reproductive Symptoms
- Erectile difficulties
- Reduced libido
- Testicular pain
- Testicular swelling
- Testicular lump
- Pelvic discomfort
- Painful ejaculation
- Changes in ejaculation
- Urinary difficulty
- Frequent night-time urination
- Weak urine flow
Related body systems
Related conditions
- Enlarged Prostate
- Prostate Conditions
- Erectile Dysfunction
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Mouth, Teeth & Tongue Symptoms
- Toothache
- Tooth sensitivity
- Bleeding gums
- Swollen gums
- Receding gums
- Mouth ulcers
- Dry mouth
- Excess saliva
- Bad breath
- Coated tongue
- White tongue
- Red tongue
- Sore tongue
- Burning tongue
- Cracked tongue
- Changes in taste
- Metallic taste
- Loss of taste
- Jaw pain
Related body systems
Related conditions
- Gum Disease
- Mouth Ulcers
- Acid Reflux
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Sleep Symptoms
- Difficulty falling asleep
- Waking during the night
- Waking too early
- Restless sleep
- Light sleep
- Unrefreshing sleep
- Excessive sleepiness
- Daytime sleepiness
- Sleeping excessively
- Vivid dreams
- Nightmares
- Snoring
- Waking gasping
- Restless legs at night
- Reversed sleep pattern
Related body systems
Related conditions
- Insomnia
- Sleep Apnoea
- Restless Legs Syndrome
- Chronic Fatigue
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A Symptom Is a Starting Point, Not a Diagnosis
One of the most useful things about exploring symptoms is discovering how interconnected the body really is.
Bloating may lead you towards the digestive system, but digestion also communicates with the nervous system, liver, pancreas, gallbladder and other systems.
Dizziness can involve circulation, nervous regulation, the structures responsible for balance, hydration, metabolism and numerous recognised conditions.
Fatigue is even broader. It can accompany problems involving sleep, nutrition, circulation, hormones, digestion, pain, emotional strain and many illnesses.
The purpose of this directory is therefore not to tell you what disease you have from a symptom.
It is to help you explore the body.
Start with the symptom you recognise. From there, explore the relevant body systems and associated conditions. Follow the links and begin building a wider picture.
Continue Exploring
Explore All Body Systems
See how the nervous, digestive, lymphatic, endocrine, respiratory, circulatory, reproductive and other systems work together.
Explore Illnesses & Conditions
Explore recognised health conditions and understand the processes and systems associated with them.
Explore Illnesses & Conditions →
Learn About Natural Hygiene
Discover the principles behind Natural Body Intelligence and the conditions that support the body’s normal processes of maintenance and restoration.
When Symptoms Need Medical Attention
Understanding the body does not mean ignoring warning signs.
Seek urgent medical help for symptoms such as:
- Severe or persistent chest pain
- Severe difficulty breathing
- Signs of stroke
- Loss of consciousness
- Severe bleeding
- Vomiting blood
- Black stools
- A sudden severe headache
- Sudden loss of vision
- Sudden weakness or paralysis
- Severe allergic reactions
- Other rapidly developing or life-threatening symptoms
Persistent, unexplained or worsening symptoms also deserve appropriate assessment.
Natural Body Intelligence is about understanding your body — not ignoring what it is telling you.