UTI

Sore throat

Ear infection

Discharge

Diarrhea

Rash

Fever

Skin Infection

UTI Sore throat Ear infection Discharge Diarrhea Rash Fever Skin Infection

Explore your symptoms

Browse symptoms by body system to understand possible causes, learn when to seek medical advice and discover whether an online consultation may be right for you.

Speak to a doctor
Close-up of a woman's face showing her ear, eye, nose, and lips with icons representing each part and text about ear, nose, throat, and eye symptoms.
Close-up of a woman's face showing her ear, eye, nose, and lips with icons representing each part and text about ear, nose, throat, and eye symptoms.

  • A sore throat is one of the most common reasons people seek medical advice. It is usually caused by a viral infection, although bacterial infections such as strep throat or tonsillitis may require treatment.

    Common causes

    When should I speak to a doctor?

    ✔ Difficulty swallowing or breathing

    ✔ High fever

    ✔ Symptoms lasting more than 5 days

    ✔ Swollen neck glands or white patches on the tonsils

  • Ear pain can affect both children and adults and may result from an ear infection, ear wax build-up, pressure changes or inflammation. Most cases improve with appropriate treatment, but persistent pain should be assessed.

    Common causes

    When should I speak to a doctor?

    ✔ Severe or worsening pain

    ✔ Hearing loss

    ✔ Ear discharge

    ✔ Fever

    ✔ Symptoms lasting more than 48 hours

  • A swollen eyelid is a common symptom that may affect one or both eyes. It can develop suddenly or gradually and is often caused by irritation, allergies, a blocked eyelid gland or an infection. Most cases are mild, but some require prompt medical assessment.

    Common causes

    • Stye (hordeolum)

    • Chalazion

    • Blepharitis

    • Allergic reaction

    • Conjunctivitis (pink eye)

    • Insect bite or minor injury

    • Periorbital cellulitis (infection around the eye)

    When should I speak to a doctor?

    ✔ Increasing pain, redness or swelling

    ✔ Swelling lasting more than a few days

    ✔ Eye discharge or crusting

    ✔ Fever or feeling generally unwell

    ✔ Blurred vision or difficulty opening the eye

    ✔ Recurrent episodes of eyelid swelling

  • Red eye is a common symptom that may be caused by conjunctivitis, allergies, irritation or infection. While many cases are mild, some require urgent medical attention.

    Common causes

    When should I speak to a doctor?

    ✔ Eye pain

    ✔ Blurred vision

    ✔ Sensitivity to light

    ✔ Eye injury

    ✔ Thick yellow or green discharge

  • Eye pain may result from infection, inflammation, injury or increased pressure inside the eye. Persistent or severe eye pain should always be assessed promptly.

    Common causes

    • Eye infection

    • Corneal abrasion

    • Dry eye syndrome

    • Glaucoma

    • Foreign body in the eye

    When should I speak to a doctor?

    ✔ Sudden vision loss

    ✔ Severe pain

    ✔ Light sensitivity

    ✔ Eye injury

    ✔ Persistent redness

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X-ray image of a human chest with an overlay of a simple line drawing of lungs and the text 'Respiratory Symptoms'
X-ray image of a human chest with an overlay of a simple line drawing of lungs and the text 'Respiratory Symptoms'

  • A cough can be caused by viral infections, allergies, asthma or chest infections. Most coughs improve within a few weeks, but persistent or severe symptoms should be assessed by a doctor.

    Common causes

    • Viral infection

    • Chest infection

    • Bronchitis

    • Asthma

    • Allergies

    • COVID-19

    When should I speak to a doctor?

    ✔ Cough lasting more than 3 weeks

    ✔ Chest pain

    ✔ Difficulty breathing

    ✔ Coughing up blood

    ✔ High fever

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  • A runny or blocked nose is commonly caused by viral infections, allergies or sinus inflammation. Symptoms often improve on their own but may sometimes require treatment.

    Common causes

    • Common cold

    • Allergic rhinitis (hay fever)

    • Sinusitis

    • Influenza

    • COVID-19

    When should I speak to a doctor?

    ✔ Symptoms lasting more than 10 days

    ✔ Severe facial pain

    ✔ Persistent fever

    ✔ Thick green discharge with worsening symptoms

  • Fever can be caused by many different illnesses, from mild viral infections to bacterial infections. Most fevers improve within a few days, but some require medical assessment.

    Common causes

    • Viral infection

    • Influenza (flu)

    • Urinary tract infection (UTI)

    • Gastroenteritis

    • COVID-19

    • Tonsillitis

    When should I speak to a doctor?

    ✔ Fever lasting more than 3 days

    ✔ Fever above 39°C

    ✔ Severe pain or persistent vomiting

    ✔ Difficulty breathing

    ✔ You are pregnant or have significant medical conditions

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Hospital corridor with a sign indicating women's and men's health symptoms.
Hospital corridor with a sign indicating women's and men's health symptoms.

  • Burning when passing urine or needing to urinate more often than usual are common urinary symptoms. They are most often caused by a urinary tract infection (UTI), but may also be related to sexually transmitted infections (STIs), pregnancy, diabetes or irritation of the urinary tract. Although many cases are easily treated, persistent or severe symptoms should be assessed by a doctor.

    Common causes

    • Urinary tract infection (UTI)

    • Sexually transmitted infection (STI)

    • Increased fluid or caffeine intake

    • Pregnancy

    • Diabetes

    • Overactive bladder

    • Vaginitis

    • Urinary tract irritation

    When should I speak to a doctor?

    ✔ Burning or pain when urinating

    ✔ Blood in your urine

    ✔ Fever or chills

    ✔ Pain in your back or side

    ✔ Excessive thirst or unexplained weight loss

    ✔ Symptoms lasting more than 48 hours or recurring

  • Blood in the urine (haematuria) is a symptom that should always be assessed by a doctor. While it may be caused by a urinary tract infection (UTI), kidney stones or strenuous exercise, it can occasionally indicate a more serious underlying condition.

    Common causes

    • Urinary tract infection (UTI)

    • Kidney stones

    • Bladder or kidney infection

    • Strenuous exercise

    • Enlarged prostate (in men)

    • Kidney disease

    When should I speak to a doctor?

    ✔ Any visible blood in your urine

    ✔ Fever or chills

    ✔ Pain in your back or side

    ✔ Difficulty passing urine

    ✔ Blood that persists or recurs

  • Vaginal discharge is normal in many women, but changes in colour, smell or consistency may indicate an infection or other condition. A medical assessment can help identify the cause and determine whether treatment is needed.

    Common causes

    • Thrush (yeast infection)

    • Bacterial vaginosis

    • Sexually transmitted infection (STI)

    • Hormonal changes

    • Normal physiological discharge

    When should I speak to a doctor?

    ✔ Strong or unpleasant odour

    ✔ Green, yellow or grey discharge

    ✔ Pelvic pain or fever

    ✔ Bleeding after sex

    ✔ Pregnancy with abnormal discharge

  • Vaginal itching is commonly caused by irritation or infection. Although many cases are mild, persistent itching or symptoms associated with discharge, pain or sores should be assessed by a doctor.

    Common causes

    • Thrush (yeast infection)

    • Bacterial vaginosis

    • Allergic or irritant reactions

    • Sexually transmitted infection (STI)

    • Skin conditions such as eczema

    When should I speak to a doctor?

    ✔ Persistent itching

    ✔ Abnormal vaginal discharge

    ✔ Pain or burning

    ✔ Genital sores or blisters

    ✔ Pregnancy

  • Pelvic pain may arise from the urinary, reproductive or digestive system. While mild discomfort is often temporary, severe or persistent pelvic pain should be medically assessed to identify the underlying cause.

    Common causes

    • Urinary tract infection (UTI)

    • Ovarian cyst

    • Menstrual pain

    • Pelvic inflammatory disease (PID)

    • Endometriosis

    • Pregnancy-related conditions

    When should I speak to a doctor?

    ✔ Severe or sudden pain

    ✔ Fever

    ✔ Heavy vaginal bleeding

    ✔ Pain during pregnancy

    ✔ Persistent or worsening symptoms

  • A rash, sores or blisters around the genital area may be caused by infections, skin conditions or irritation. Some causes require prompt diagnosis and treatment, particularly if symptoms are painful or recurrent.

    Common causes

    • Genital herpes

    • Genital warts

    • Fungal infection

    • Contact dermatitis

    • Syphilis

    • Skin irritation

    When should I speak to a doctor?

    ✔ Painful blisters or ulcers

    ✔ Fever or swollen glands

    ✔ New rash after sexual contact

    ✔ Persistent or recurrent symptoms

    ✔ Difficulty passing urine

  • If you think you may have been exposed to a sexually transmitted infection (STI), early medical advice and testing are important. Many STIs cause mild or no symptoms but can still be passed to others and may lead to complications if left untreated.

    Common causes

    • Chlamydia

    • Gonorrhoea

    • Genital herpes

    • Syphilis

    • Human papillomavirus (HPV)

    • Trichomoniasis

    When should I speak to a doctor?

    ✔ Unprotected sexual contact

    ✔ New genital discharge

    ✔ Pain when urinating

    ✔ Genital sores or rash

    ✔ A sexual partner has been diagnosed with an STI

Close-up of skin with redness and inflammation, indicating dermatological skin symptoms.
Close-up of skin with redness and inflammation, indicating dermatological skin symptoms.

  • A rash is a change in the colour or texture of the skin that may appear as redness, bumps, blisters or itching. Most rashes are mild, but some may require medical assessment and treatment.

    Common causes

    • Allergic reaction

    • Eczema

    • Viral infection

    • Fungal infection

    • Contact dermatitis

    • Heat rash

    When should I speak to a doctor?
    ✔ Fever with a rash

    ✔ Rapidly spreading rash

    ✔ Painful blisters

    ✔ Difficulty breathing or facial swelling

    ✔ Rash lasting more than a week

  • Skin infections are commonly caused by bacteria, fungi or viruses and may lead to redness, swelling, warmth, pain or discharge. Early treatment can help prevent the infection from spreading.

    Common causes

    • Cellulitis

    • Impetigo

    • Fungal skin infection

    • Infected insect bite

    • Infected wound

    When should I speak to a doctor?
    ✔ Increasing redness or swelling

    ✔ Fever

    ✔ Pus or discharge

    ✔ Severe pain

    ✔ Rapidly spreading infection

  • Most insect bites cause mild redness, swelling and itching that settle within a few days. Occasionally, bites can become infected or trigger an allergic reaction requiring medical attention.

    Common causes

    • Mosquito bite

    • Bee or wasp sting

    • Flea bite

    • Tick bite

    • Spider bite

    When should I speak to a doctor?
    ✔ Difficulty breathing

    ✔ Facial swelling

    ✔ Increasing redness or pain

    ✔ Fever

    ✔ Expanding rash after a tick bite

  • Blisters are fluid-filled pockets that usually develop after friction, burns or minor injuries. Most heal naturally, although infected blisters may require treatment.

    Common causes

    • Friction

    • Burns

    • Sunburn

    • Allergic reaction

    • Viral infection

    When should I speak to a doctor?
    ✔ Signs of infection

    ✔ Large or painful blisters

    ✔ Blisters covering a large area

    ✔ Blisters associated with fever

  • Cold sores are caused by the herpes simplex virus (HSV-1) and usually appear as painful blisters around the lips or mouth. They often heal within 7–10 days but may recur.

    Common causes

    • Herpes simplex virus (HSV-1)

    • Stress

    • Illness

    • Sun exposure

    • Reduced immunity

    When should I speak to a doctor?
    ✔ First episode

    ✔ Frequent recurrences

    ✔ Eye involvement

    ✔ Severe or widespread sores

    ✔ Weakened immune system

  • Sunburn is caused by excessive exposure to ultraviolet (UV) radiation. Most cases are mild, but severe sunburn can lead to dehydration, blistering and heat-related illness.

    Common causes

    • Prolonged sun exposure

    • Inadequate sun protection

    • High UV levels

    • Sunbed use

    When should I speak to a doctor?
    ✔ Extensive blistering

    ✔ Fever or chills

    ✔ Dizziness or dehydration

    ✔ Severe pain

    ✔ Signs of infection

  • Abdominal pain is a common symptom that can range from mild discomfort to severe pain. It may be caused by digestive problems, infections or conditions affecting other organs in the abdomen.

    Common causes

    • Gastroenteritis

    • Indigestion

    • Constipation

    • Urinary tract infection (UTI)

    • Gallstones

    • Appendicitis

    When should I speak to a doctor?
    ✔ Severe or worsening pain

    ✔ Persistent vomiting

    ✔ Fever

    ✔ Blood in your stool

    ✔ Pain during pregnancy

  • Diarrhoea is the passage of loose or watery stools and is commonly caused by viral infections, food poisoning or changes in diet. Most cases improve within a few days, but dehydration can become a concern.

    Common causes

    • Viral gastroenteritis

    • Food poisoning

    • Traveller's diarrhoea

    • Antibiotics

    • Irritable bowel syndrome (IBS)

    When should I speak to a doctor?
    ✔ Blood in your stool

    ✔ Fever

    ✔ Severe dehydration

    ✔ Symptoms lasting more than 3 days

    ✔ Severe abdominal pain

  • Nausea and vomiting are common symptoms that may result from viral infections, food poisoning, motion sickness or other medical conditions. Persistent vomiting can lead to dehydration and should be assessed.

    Common causes

    • Viral gastroenteritis

    • Food poisoning

    • Pregnancy

    • Migraine

    • Motion sickness

    • Medication side effects

    When should I speak to a doctor?
    ✔ Unable to keep fluids down

    ✔ Vomiting blood

    ✔ Severe abdominal pain

    ✔ Fever

    ✔ Symptoms lasting more than 24–48 hours

  • Constipation is a common digestive problem characterised by infrequent or difficult bowel movements. It is often related to diet or lifestyle but may occasionally indicate an underlying medical condition.

    Common causes

    • Low-fibre diet

    • Dehydration

    • Reduced physical activity

    • Medication side effects

    • Irritable bowel syndrome (IBS)

    When should I speak to a doctor?
    ✔ Blood in your stool

    ✔ Severe abdominal pain

    ✔ Persistent constipation

    ✔ Unexplained weight loss

    ✔ New constipation lasting more than 2 weeks

  • Heartburn is a burning sensation in the chest caused by stomach acid flowing back into the oesophagus (acid reflux). It is common and often triggered by certain foods, large meals or lying down after eating.

    Common causes

    • Acid reflux (GORD/GERD)

    • Large or fatty meals

    • Pregnancy

    • Obesity

    • Hiatus hernia

    When should I speak to a doctor?
    ✔ Frequent heartburn

    ✔ Difficulty swallowing

    ✔ Unexplained weight loss

    ✔ Vomiting blood or black stools

    ✔ Chest pain that is severe or persistent

Illustration of a clipboard with health icons, a digital thermometer showing 37.0°C, and the text 'General Symptoms' with the 'Doctorevia' logo.

  • Fatigue is a feeling of persistent tiredness or lack of energy that does not improve with rest. It can be caused by infections, stress, poor sleep or underlying medical conditions.

    Common causes

    • Viral infection

    • Poor sleep

    • Stress or anxiety

    • Anaemia

    • Thyroid disorders

    • Diabetes

    When should I speak to a doctor?

    ✔ Fatigue lasting more than 2 weeks

    ✔ Unexplained weight loss

    ✔ Fever or night sweats

    ✔ Shortness of breath

    ✔ Fatigue affecting your daily activities

  • Headaches are very common and are usually caused by tension, migraine or viral illnesses. However, sudden or severe headaches may require urgent medical assessment.

    Common causes

    • Tension headache

    • Migraine

    • Viral infection

    • Sinusitis

    • Dehydration

    • Eye strain

    When should I speak to a doctor?

    ✔ Sudden, severe headache

    ✔ Headache with fever or neck stiffness

    ✔ Persistent vomiting

    ✔ Vision changes

    ✔ Headache following a head injury

  • Back pain is one of the most common musculoskeletal complaints. It is often caused by muscle strain or poor posture, although occasionally it may indicate a more serious condition.

    Common causes

    • Muscle strain

    • Poor posture

    • Sciatica

    • Herniated disc

    • Kidney infection

    • Kidney stones

    When should I speak to a doctor?

    ✔ Weakness or numbness in the legs

    ✔ Loss of bladder or bowel control

    ✔ Fever

    ✔ Severe pain after an injury

    ✔ Pain lasting more than 6 weeks

  • Dizziness can describe feeling light-headed, unsteady or as though the room is spinning (vertigo). It may result from dehydration, inner ear problems or other medical conditions.

    Common causes

    • Dehydration

    • Viral illness

    • Benign positional vertigo (BPPV)

    • Low blood pressure

    • Ear infection

    • Anxiety

    When should I speak to a doctor?

    ✔ Fainting

    ✔ Chest pain

    ✔ Difficulty speaking

    ✔ Weakness or numbness

    ✔ Persistent or worsening dizziness

  • Swollen glands are enlarged lymph nodes that usually develop as the body's response to an infection. They commonly occur in the neck, under the jaw, armpits or groin and often settle once the underlying illness improves.

    Common causes

    • Viral infection

    • Tonsillitis

    • Dental infection

    • Ear infection

    • Skin infection

    • Mononucleosis (glandular fever)

    When should I speak to a doctor?

    ✔ Swelling lasting more than 2–3 weeks

    ✔ Rapidly enlarging glands

    ✔ Fever or night sweats

    ✔ Unexplained weight loss

    ✔ Difficulty swallowing or breathing

Speak to a doctor
A nurse and a woman sitting in a hospital waiting area, engaging in a conversation. The nurse is wearing blue scrubs with a stethoscope around her neck, and the woman is holding her chest, appearing concerned.