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Health Conditions

Find information on various health conditions affecting people of all ages. This category covers causes, symptoms, diagnosis, and management options for physical illnesses and chronic diseases. Get insights to help you understand different health challenges and make informed decisions about your wellbeing.

Woman holding her side with ultrasound scan result in doctor’s hand

Complications of Gallbladder Cancer

Gallbladder Cancer, Health Conditions /

Complications of Gallbladder Cancer The complications of gallbladder cancer depend on how advanced the disease is and whether it has spread to nearby organs. Gallbladder cancer can lead to serious medical problems, especially when not detected early. These complications may affect digestion, liver function, and overall wellbeing. Biliary Obstruction One of the most common complications: As the tumour grows, it may block the bile ducts, preventing bile from flowing into the intestine This leads to jaundice, dark urine, pale stools, and intense itching Bile build-up can result in infections such as cholangitis, which may become life-threatening Liver Invasion and Metastasis The gallbladder is located near the liver, so cancer often spreads there early Liver involvement can lead to: Abdominal pain Enlarged liver (hepatomegaly) Liver failure in late stages Spread to other areas like the lungs, lymph nodes, or peritoneum worsens the outlook and limits treatment options Digestive Problems Tumour pressure may block parts of the gastrointestinal tract, causing: Nausea, vomiting, or inability to digest food Malnutrition and weight loss Diarrhoea or fat malabsorption can also result from impaired bile flow Infections Blocked bile ducts or dead tissue increase the risk of infection Patients may develop: Cholangitis (bile duct infection) Sepsis, a potentially fatal systemic infection Prompt treatment of infections is critical to prevent rapid deterioration. Pain and Quality of Life Advanced gallbladder cancer can cause severe abdominal pain, especially in the upper right quadrant Discomfort may affect sleep, appetite, and emotional wellbeing Pain management with opioids and supportive care is often necessary Emotional and Psychological Impact A diagnosis of late-stage cancer can cause: Depression, anxiety, or withdrawal Emotional stress for carers and families Access to palliative care and counselling helps individuals cope with the psychological toll Complications of Gallbladder Cancer The complications of gallbladder cancer highlight the need for early diagnosis, effective symptom control, and compassionate support. Even when cure is not possible, comprehensive care can greatly improve comfort and dignity. [Next: Back to Overview →]

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Illustration of fungal toenail infection with close-up view of fungus

Fungal Nail Infection

Fungal Nail Infection, Health Conditions /

Fungal Nail Infection A fungal nail infection, also known as onychomycosis, occurs when fungi invade and grow in the nail, most often affecting the toenails. This nail infection can cause the nail to become thickened, discoloured, brittle, and sometimes painful. Though not usually serious, the condition is stubborn and may take months to treat effectively. These nail infections are common and affect people of all ages, but they are more frequent in older adults. Factors like warm, damp environments, wearing tight shoes, or walking barefoot in communal areas can increase risk. The infection often begins as a white or yellow spot under the nail and slowly spreads. Nail Infection While not life-threatening, these nail infections can be embarrassing, uncomfortable, and may lead to complications if left untreated—especially in individuals with diabetes or a weakened immune system. Early diagnosis and treatment improve outcomes and help restore healthy nails. Understanding the signs, causes, and treatment options for this nail infection is key to preventing long-term damage and recurrence. [Next: Causes of Fungal Nail Infection →]

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Microscopic view of fungal organisms causing nail infection

Causes of Fungal Nail Infection

Fungal Nail Infection, Health Conditions /

Causes of Fungal Nail Infection The causes of fungal nail infection are rooted in the growth of fungi in or under the nail. Fungal nail infection is often triggered when microscopic fungi called dermatophytes, yeasts, or moulds invade the nail bed or nail plate and thrive in a warm, moist environment. Fungal Organisms Involved Dermatophytes – the most common cause; these fungi feed on keratin in the nails Yeasts – particularly Candida, more often affecting fingernails Non-dermatophyte moulds – less common but still capable of causing nail infection These fungi are found in the environment, including soil, showers, swimming pools, gyms, and even inside shoes. Risk Factors Certain conditions increase the risk of developing a fungal nail infection: Walking barefoot in communal areas – gyms, public pools, saunas Wearing tight or poorly ventilated shoes – promotes sweat and fungal growth Nail trauma – cracks or injuries to the nail create entry points for fungi Excessive sweating – especially on the feet Poor foot hygiene – including not drying feet properly or wearing the same socks/shoes repeatedly Medical Conditions That Contribute Diabetes – reduced blood flow and higher sugar levels can increase susceptibility Peripheral vascular disease – impairs circulation in the lower limbs Weakened immune system – due to illness or medication Psoriasis or other skin conditions – increase nail vulnerability Spread from Athlete’s Foot A common source of toenail infection is untreated athlete’s foot (tinea pedis), which often spreads from the skin between the toes into the nail bed. Addressing both conditions simultaneously is crucial to preventing recurrence. Age and Lifestyle Factors Incidence increases with age, particularly after 60 Nail infections are more likely in men than women People who frequently use communal showers or have occupations involving water are at higher risk Causes of Fungal Nail Infection Understanding the causes of fungal nail infection helps individuals take steps to avoid exposure and reduce their risk through good hygiene, protective footwear, and early treatment of related conditions. [Next: Symptoms of Fungal Nail Infection →]

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Close-up of a hand with a thickened, discoloured fingernail caused by fungal infection

Symptoms of Fungal Nail Infection

Fungal Nail Infection, Health Conditions /

Symptoms of Fungal Nail Infection The symptoms of fungal nail infection vary depending on the type and severity of the infection. Fungal nail infection usually affects one or more toenails, though fingernails can also be involved. Early signs are often subtle, but the condition can worsen if left untreated. Common Symptoms Discolouration – yellow, white, brown, or greenish tinge, often starting at the tip of the nail Thickened nails – often the first noticeable change Brittle, crumbly, or ragged edges Distorted shape – nail may curve or lift from the nail bed (onycholysis) Loss of shine or natural nail transparency As the infection progresses, the nail may become darker, foul-smelling, and increasingly difficult to trim or clean. Mild vs Severe Infection Mild cases may only show discolouration or slight thickening Moderate to severe infections can involve pain, visible distortion, and partial or complete nail separation Severe infections often affect more than one nail and may interfere with walking or wearing shoes comfortably Fingernail vs Toenail Symptoms Fingernail infections are less common but more likely caused by Candida They may appear: Red and swollen at the base With separation from the nail bed Tender when pressure is applied Toenail infections progress slowly but are more likely to thicken, discolour, and break Associated Skin Conditions Itching, scaling, or cracking between the toes may indicate athlete’s foot, which often coexists with nail infections The skin surrounding the nail may become red, irritated, or inflamed When to Seek Medical Advice If the nail changes in colour, texture, or thickness When pain, odour, or swelling occurs If multiple nails are affected Symptoms of Fungal Nail Infection For individuals with diabetes or compromised circulation, any sign of foot or nail infection should be addressed immediately Recognising the symptoms of fungal nail infection early allows for prompt treatment and can prevent long-term nail damage and spread to others. [Next: Diagnosis of Fungal Nail Infection→]

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Doctor examining toenail with fungal infection using a magnifying glass

Diagnosis of Fungal Nail Infection

Fungal Nail Infection, Health Conditions /

Diagnosis of Fungal Nail Infection The diagnosis of fungal nail infection is primarily clinical, based on how the nail looks and changes over time. However, because fungal nail infection can resemble other nail disorders, confirmation through testing is often recommended—especially before starting long-term antifungal treatment. Clinical Examination A healthcare provider will begin by: Examining the appearance and texture of the affected nail Asking about the duration and progression of symptoms Checking for signs of athlete’s foot or fungal skin infection elsewhere on the body Reviewing medical history, including any chronic conditions (like diabetes or vascular disease) The doctor may also examine other nails to check for early signs in unaffected areas. Laboratory Testing To confirm the diagnosis and identify the specific type of fungus, the following tests may be done: 1. Nail Clipping or Scraping A sample of the nail or debris underneath is collected Sent to a lab for microscopy and fungal culture This helps determine whether dermatophytes, yeasts, or moulds are involved 2. KOH Preparation A potassium hydroxide (KOH) test dissolves nail keratin and allows fungal elements to be seen under a microscope Results are quick, often available within 1–2 days 3. PCR Testing (if available) More advanced clinics may use polymerase chain reaction (PCR) to detect fungal DNA This method is faster and more accurate but not widely available Testing helps guide the choice of treatment and avoid unnecessary medication use, particularly in people with coexisting nail disorders like psoriasis. Differential Diagnosis Conditions that may resemble fungal nail infection include: Psoriasis – may cause pitting, discolouration, and thickened nails Trauma – can lead to bruising or detachment of the nail Eczema – may cause nail ridging or brittleness Bacterial infections – especially around the nail fold Diagnosis of Fungal Nail Infection Getting the right diagnosis of fungal nail infection ensures targeted treatment, avoids mismanagement, and improves long-term outcomes. [Next: Treatment of Fungal Nail Infection →]

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Treatment of Fungal Nail Infection

Treatment of Fungal Nail Infection

Fungal Nail Infection, Health Conditions /

Treatment of Fungal Nail Infection The treatment of fungal nail infection can be challenging, as the infection is often slow to respond and requires long-term care. Fungal nail infection may be treated using topical treatments, oral medication, or a combination of both. Doctors might consider laser therapy or nail removal in more stubborn cases. Topical Antifungal Treatments Apply topical treatments for mild to moderate infections, especially when one or two nails show symptoms: Amorolfine nail lacquer – applied once or twice a week Ciclopirox – applied daily and requires regular nail filing Use these treatments for several months, and keep nails trimmed and clean Topical antifungals are less effective for infections that affect the nail root or are very thick. Oral Antifungal Medications For more severe or widespread infections, doctors may prescribe oral antifungals: Terbinafine – taken daily for 6–12 weeks; works well against dermatophytes Itraconazole – taken in pulse doses for a similar duration Fluconazole – occasionally used, especially for yeast infections Oral treatments offer higher success rates but may cause side effects such as upset stomach or liver toxicity, so blood tests may be required during the course. Combination Therapy Using oral and topical antifungals together can improve results Patients are often advised to continue topical treatments for several months even after oral medication ends Nail Removal In very severe cases where the nail is deformed or causing pain, surgical or chemical removal may be considered This allows direct treatment of the nail bed and prevents further damage A new nail may grow, although this can take up to a year Laser Therapy and Photodynamic Treatment Some private clinics offer laser treatment, which targets fungal cells with light energy Results vary and may require multiple sessions Not yet considered a first-line treatment but may help in resistant cases Treatment of Fungal Nail Infection The treatment of fungal nail infection requires patience, consistency, and follow-up. Nails grow slowly, so visible improvement may take several months—even after successful treatment. [Next: Complications of Fungal Nail Infection →]

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Toenail with fungal infection and cartoon sad face

Complications of Fungal Nail Infection

Fungal Nail Infection, Health Conditions /

Complications of Fungal Nail Infection The complications of fungal nail infection can go beyond cosmetic concerns and lead to pain, secondary infections, or permanent nail damage. Fungal nail infection can also affect quality of life, especially when it becomes chronic or spreads to other nails or people. Nail Damage and Deformity Chronic infection can lead to thickened, discoloured, or crumbling nails In severe cases, the nail may become detached from the nail bed Irreversible damage to the nail matrix may occur, affecting future nail growth Nail shape may remain distorted even after the infection clears This can cause discomfort when wearing shoes or walking, particularly in toenail infections. Pain and Functional Problems The pressure from thickened nails may lead to pain while walking or standing The nail may grow into the surrounding skin, causing ingrown nails or inflammation People with diabetes are especially at risk for ulcers or foot complications if the infection is not treated promptly Secondary Infections The broken or lifted nail surface creates an entry point for bacteria This may result in paronychia (infection of the skin around the nail) or cellulitis In vulnerable individuals, especially the elderly or immunocompromised, this can become a serious issue Psychological and Social Impact Many people feel embarrassed by the appearance of their nails, especially when wearing sandals or going barefoot This can lead to reduced confidence or avoidance of activities such as swimming, yoga, or social gatherings Persistent nail issues may also contribute to low mood or anxiety Transmission to Others Fungal nail infections can spread to: Other nails Skin on the feet or body (e.g., athlete’s foot) Family members, especially when sharing towels or walking barefoot in shared areas Recurrence Even with treatment, fungal nail infections may recur, especially if risk factors (like athlete’s foot or sweaty feet) are not addressed Preventative steps include: Keeping feet clean and dry Wearing breathable shoes and clean socks Using antifungal sprays or powders if prone to sweating Complications of Fungal Nail Infection Understanding the complications of fungal nail infection highlights the importance of early treatment, ongoing hygiene, and regular monitoring to prevent persistent or recurring issues. [Next: Back to Overview →]

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3D illustration of a frozen shoulder joint with inflammation

Frozen Shoulder

Frozen Shoulder, Health Conditions /

Frozen Shoulder Frozen shoulder, also known as adhesive capsulitis, is a painful condition that causes stiffness and limited movement in the joint. This condition develops gradually over time and can significantly affect daily tasks such as dressing, reaching overhead, or even sleeping comfortably. The condition typically progresses through three stages—freezing, frozen, and thawing—each with its own pattern of symptoms and duration. While this condition can improve on its own, recovery is often slow and may take months or even years. Some people require treatment to relieve pain and restore full function. Frozen Shoulder This condition occurs when the connective tissue surrounding the shoulder joint thickens and tightens, limiting movement. Doctors do not always identify the exact cause, but people aged 40 to 60 experience it more often. Particularly women and individuals with diabetes, thyroid disorders, or after shoulder immobilisation due to injury or surgery. Understanding this condition is the first step towards proper management, timely treatment, and preventing further complications. [Next: Causes of Frozen Shoulder →]

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Medical diagram comparing a normal shoulder to a frozen shoulder showing adhesive capsulitis

Causes of Frozen Shoulder

Frozen Shoulder, Health Conditions /

Causes of Frozen Shoulder The causes of frozen shoulder involve inflammation and thickening of the shoulder joint capsule, which restricts movement. Frozen shoulder can develop without an obvious reason (primary) or as a result of injury or medical conditions (secondary). Primary Frozen Shoulder In many cases, frozen shoulder occurs without any clear cause. This is known as idiopathic or primary frozen shoulder. It’s believed that: Inflammation causes the joint capsule to thicken and contract Adhesions (bands of scar-like tissue) form inside the joint Synovial fluid (which lubricates the joint) may be reduced Why this happens in otherwise healthy people remains unclear, but certain risk factors increase susceptibility. Secondary Frozen Shoulder This type develops following another condition or event that affects the shoulder: Shoulder injury or surgery – dislocations, fractures, or operations can lead to immobilisation Rotator cuff problems – such as tears or tendonitis Stroke – paralysis or reduced use of the arm may trigger stiffness Heart surgery – some people develop frozen shoulder after open-heart procedures Any situation that limits arm movement for a prolonged period can increase the risk of adhesive capsulitis. Medical Risk Factors Certain health conditions are strongly linked to frozen shoulder: Diabetes – one of the most significant risk factors; affects 10–20% of diabetics Thyroid disorders – both overactive and underactive thyroid conditions Parkinson’s disease – due to muscle stiffness and reduced mobility Cardiovascular disease People with autoimmune disorders or metabolic syndrome may also have an increased risk. Age and Gender Most common between ages 40 and 60 Women are affected more than men The non-dominant shoulder is often involved, though either side can be affected Causes of Frozen Shoulder Understanding the causes of frozen shoulder is essential for prevention, especially in people with diabetes or those recovering from upper body injuries or surgery. [Next: Symptoms of Frozen Shoulder →]

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Woman holding shoulder in pain indicating symptoms of frozen shoulder

Symptoms of Frozen Shoulder

Frozen Shoulder, Health Conditions /

Symptoms of Frozen Shoulder The symptoms of frozen shoulder develop gradually and typically follow a distinct pattern. Frozen shoulder is known for causing pain, stiffness, and restricted movement in the shoulder joint, often affecting daily activities and sleep quality. Three Stages of Frozen Shoulder 1. Freezing Stage (Painful Phase) Lasts 6 weeks to 9 months Persistent, aching pain, especially at night Increasing stiffness Difficulty reaching behind the back or overhead Range of motion starts to decline Pain often becomes worse before it gets better, and the shoulder may feel inflamed or tender to touch. 2. Frozen Stage (Stiff Phase) Lasts 4 to 12 months Pain begins to ease, especially at rest Stiffness remains, making movement extremely limited Difficulty performing routine tasks like dressing or reaching for a shelf Muscles may weaken due to disuse This phase is often the most frustrating because, although pain may subside, mobility is significantly reduced. 3. Thawing Stage (Recovery Phase) Lasts 6 months to 2 years Gradual improvement in shoulder mobility Pain continues to decrease Range of motion slowly returns, though full recovery varies Some people regain full function, while others may have mild residual stiffness. Pain Characteristics Often a dull, aching pain deep in the shoulder Can radiate down the upper arm Worse with movement or when lying on the affected side Night pain is common and may disturb sleep Functional Limitations Trouble reaching for items on high shelves Inability to fasten a bra, wash hair, or put on a jacket Reduced arm swing while walking One-armed tasks become difficult Symptoms of Frozen Shoulder The symptoms of frozen shoulder can significantly affect independence and quality of life. Early recognition and management can help reduce the duration and severity of the condition. [Next: Diagnosis of Frozen Shoulder→]

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