What Is Alkaptonuria? The Rare Disease That Turns Your Pee Black – Here’s Why

Updated Feb 7, 2025 | 08:00 AM IST

SummaryAlkaptonuria is a rare genetic disorder that causes black urine due to homogentisic acid buildup, leading to joint pain, cartilage damage, and skin discoloration. It has no cure but can be managed.
What Is Alkaptonuria? The Rare Disease That Turns Your Pee Black – Here’s Why

Image Credit: Canva

A condition, known commonly as "black urine disease" or Alkaptonuria is a rare genetic disorder involving protein metabolism, and it has its root in the mutation of the homogentisate 1,2-dioxygenase gene, which in turn causes homogentisic acid accumulation in the body. The appearance of dark urine after exposure to air is due to this kind of accumulation; however, a variety of symptoms can be expected, such as joint stiffness, changes in pigmentation, and other long-term health complications. Although the prevalence has been estimated to be between 1 in 250,000 and 1 in 1 million people in the United States, its effects are indeed high on those affected.

Alkaptonuria is an autosomal recessive disease, meaning that the child must inherit a defective copy of the HGD gene from both parents. If both parents are carriers, their offspring have a 25% chance of inheriting two faulty genes and developing alkaptonuria. The condition is genetic but is often not diagnosed for years because it progresses slowly and its early symptoms appear to be harmless.

Symptoms of Alkaptonuria

The most characteristic and common initial symptom of alkaptonuria is dark urine. The reason for this is due to the fact that excess HGA is excreted in the urine and upon oxidation in the presence of air, it gives the urine a brown or black color. Though it is often considered cosmetic, the long-term accumulation of HGA within the connective tissues produces more complicated health problems.

Progressive joint pain and stiffness: The accumulation of HGA in cartilage leads to early-onset osteoarthritis, making movement increasingly difficult over time.

Skin and eye pigmentation changes: Affected individuals may develop bluish or grayish discoloration of the sclera (white part of the eye) and the skin, particularly in areas exposed to friction.

Cardiovascular and respiratory problems: With age, HGA accumulation can lead to valve calcifications in the heart and stiffening of connective tissues in the respiratory tract, which can cause problems in middle and old age.

Decreased mobility and spinal problems: The spine may become stiff and painful due to chronic cartilage degeneration.

These symptoms usually begin to manifest during adulthood, leading to severe complications in a person's 40s or 50s and significantly affecting the quality of their life.

How is Alkaptonuria Diagnosed?

Because of its rarity, alkaptonuria is often mistaken or overlooked early in life. However, there are several ways to confirm the condition:

Urine Testing: The gold standard in the diagnosis is the testing of urine samples for high levels of homogentisic acid via gas chromatography. In case of oxidation, which changes the color of urine to black, it is indicative of alkaptonuria.

Genetic Testing: Confirmatory genetic testing reveals mutations of the HGD gene to diagnose the condition conclusively.

Blood Tests: High levels of HGA in the blood can be used as further evidence.

Imaging Studies: X-rays and MRIs will expose cartilage and joint damage characteristic of alkaptonuria.

Management of Alkaptonuria: Is There A Cure?

At present, there is no cure for alkaptonuria; however, various treatment approaches can reduce its symptoms and slow the disease's progress:

Nitisinone Therapy: Nitisinone is a drug that inhibits the production of HGA. It has been shown to reduce HGA levels and slow tissue damage. However, it needs to be taken under close medical supervision because of potential side effects.

Low-Protein Diet: Since HGA is a byproduct of protein metabolism, reducing protein intake—especially foods rich in tyrosine and phenylalanine—may help decrease HGA production.

Pain Management: OTC pain relievers and anti-inflammatory medications can be used to relieve joint pain and stiffness.

Physical Therapy: Exercise regularly, as it may improve mobility and strengthen muscles, thus reducing strain on affected joints.

Surgical Interventions: Most people with alkaptonuria develop severe osteoarthritis necessitating joint replacement in their old age. Also, some may require heart valve replacement surgery if cardiovascular complications develop.

Life with Alkaptonuria

Although alkaptonuria is not fatal, it severely affects the quality of life. The progressive deterioration of the joints and associated symptoms can make everyday activities difficult, requiring lifestyle changes and medical interventions. The disease may cause premature aging of the joints, requiring walking aids and mobility assistance earlier than expected.

Ongoing research will continue to work on improving the treatment options by focusing on gene therapy and alternative enzyme replacement therapies. However, because of its rarity, the clinical trials and research remain sparse.

As genetic research advances, more hope for better management and possible curative approaches for alkaptonuria exists. Scientists are searching extensively for enzyme replacement therapies and innovative drugs that can target the root cause of the disorder. Being aware and being diagnosed early helps individuals better their condition and ultimately have better long-term health outcomes.

Alkaptonuria is a striking example of how one gene mutation can have widespread effects on the body. Though still a rare and often misunderstood condition, growing awareness and advances in treatment are paving the way for better care. If you or a loved one suspect symptoms of alkaptonuria, it is essential to seek early diagnosis and medical guidance to manage the disease effectively and preserve quality of life.

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Back Pain Before 30: Why Young Indians Are Developing Spine Problems

Updated Jun 8, 2026 | 04:00 PM IST

SummaryBack pain before 30 is not normal if it is frequent or persistent.
back pain (1)

Back pain is often the body’s warning that the spine is under more stress than it can handle (Photo credit: AI generated)

Back pain was once considered a problem of ageing, heavy labour, or injury. Today, it is increasingly common among people in their 20s and early 30s. Many young Indians now walk into clinics with persistent lower back pain, neck stiffness, shooting pain down the leg, or recurrent muscle spasms—symptoms that were earlier seen more often in older adults.

Why are spine problems becoming more common?

The reasons are closely linked to the way modern life has changed. Long hours at desks, laptop use from beds or sofas, prolonged mobile phone scrolling, reduced physical activity, irregular sleep, stress, and weight gain are all placing unusual strain on the spine at a younger age.

Dr Satish Satyanarayana, Neurosurgeon, Apollo Hospitals, Bengaluru, said, "The spine is designed for movement. It depends on strong muscles, flexible joints, healthy discs, and good posture to function well. When a person sits for eight to ten hours a day, often slouched over a screen, the muscles supporting the spine become weak and tight. The discs between the vertebrae also experience uneven pressure. Over time, this can lead to chronic pain, early disc degeneration, nerve irritation, and, in some cases, slipped disc symptoms."

Posture problems among working professionals

One of the biggest contributors is poor sitting posture. Many young professionals work with rounded shoulders, forward-bent necks, and unsupported lower backs. This posture increases the load on the neck and lumbar spine. Similarly, “tech neck," caused by looking down at phones for long periods, can trigger neck pain, headaches, shoulder stiffness, and upper back discomfort.

Work-from-home habits have made the problem worse. Dining chairs, couches, beds, and low tables are not designed for long working hours. A person may feel comfortable initially, but the spine quietly absorbs the stress. By the time pain becomes persistent, the underlying muscle imbalance may already be significant.

Can lack of exercise make you prone to spine problems?

Lack of exercise is another major factor. Many young adults focus on work but neglect strength and mobility. Walking alone may not be enough if the core, hip, back, and gluteal muscles are weak. These muscle groups act like a natural brace for the spine. When they are weak, even simple activities such as bending, lifting a bag, climbing stairs, or sitting for long periods can trigger pain.

Stress also plays a role. Mental stress increases muscle tension, especially around the neck, shoulders, and lower back. Poor sleep reduces tissue recovery and increases pain sensitivity. In some people, repeated stress and inadequate rest can turn occasional discomfort into chronic pain.

Is back pain the same as posture pain?

Back pain should not always be dismissed as “posture pain." Medical evaluation is important if pain lasts more than two to three weeks, keeps returning, travels down the leg, causes numbness or weakness, worsens at night, follows an injury, or is associated with fever, unexplained weight loss, or bladder and bowel problems. These symptoms may suggest nerve compression, infection, inflammatory disease, or other serious spine conditions.

Can exercise help?

The good news is that most early spine problems are preventable and manageable. Young adults should take movement breaks every 30 to 45 minutes, set up an ergonomic workstation, keep screens at eye level, use a chair with lower back support, and avoid working from bed. Regular strengthening exercises, stretching, weight control, hydration, and good sleep are equally important.

It is better to exercise caution while undertaking heavy weightlifting, and it is certainly not advisable to do so without professional trainer supervision. It is also important to lift correctly, avoid sudden heavy gym workouts without supervision, and treat early pain seriously rather than relying repeatedly on painkillers. Pain medicines may provide temporary relief, but they do not correct the cause.

Back pain is often the body’s warning that the spine is under more stress than it can handle. The earlier young people correct their posture, improve their strength, and seek proper medical advice, the better their chances of avoiding long-term spine problems.

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When Your Brain Starts Sending SOS Signals: Symptoms You Shouldn't Ignore

Updated Jun 8, 2026 | 03:00 PM IST

SummaryMany neuro conditions, including brain tumors, stroke, aneurysms, infections, and degenerative disorders, can initially present with subtle symptoms like headache. Not all headaches indicate the same condition.
When Your Brain Starts Sending SOS Signals: Symptoms You Shouldn't Ignore

Credit: Canva

The brain is the main center of the body, which controls everything from movement and memory to emotions and decision-making. A headache or moment of forgetfulness can happen from time to time, but a few neuro symptoms indicate something. However, many people think of these warning symptoms as being stress, fatigue, or part of getting older.

Knowing when your brain is trying to alert you to an underlying problem makes a critical difference in diagnosis, treatment, and long-term outcomes.

What Is a Brain Tumor?

A brain tumor is an abnormal growth of cells within the brain or its surrounding tissues. Tumors can be benign (non-cancerous) or malignant (cancerous), but even benign tumors can cause serious health problems by putting pressure on critical areas of the brain. The symptoms vary depending on the tumour's size, location, and rate of growth.

Frequent And Severe Headaches A Warning Sign?

Many neuro conditions, including brain tumors, stroke, aneurysms, infections, and degenerative disorders, can initially present with subtle symptoms like headache. Not all headaches indicate the same condition.

While tension headaches are common, a sudden, intense headache that is described as the ‘worst headache of your life’ indicates conditions such as a brain hemorrhage or a brain tumor. Persistent headaches that become more frequent, change in pattern, or come with nausea or weakness should never be ignored.

Brain Tumor: Key Neuro Symptoms

Symptoms of a brain tumor can differ from person to person, but some common warning signs include:

1. Numbness or Weakness: Weakness, numbness, or reduced sensation in an arm, leg, or one side of the body may indicate that the tumor is affecting the brain's motor or sensory pathways.

2. Speech Difficulties: Slurred speech, trouble finding words, or difficulty understanding language can occur if the tumour involves regions of the brain associated with language.

3. Vision changes: Blurred vision, double vision, or sudden loss of sight are the results of neurodegenerative conditions affecting the brain or optic pathways.

4. Loss of Balance: Frequent stumbling, difficulty walking, dizziness, or trouble performing routine movements may develop when a tumor affects areas controlling balance and coordination.

5. Seizures: A seizure occurring for the first time in adulthood should never be ignored, as it can sometimes be one of the earliest signs of a brain tumor.

6. Memory and Personality Changes: Increasing forgetfulness, difficulty concentrating, confusion, or noticeable changes in mood and behavior may be warning signs that should not be overlooked.

Brain Tumor: Diagnosis And Treatment

The diagnosis of a brain tumor typically involves a detailed neuro examination followed by imaging tests such as MRI or CT scans, which help determine the tumor's location, size, and characteristics.

Treatment depends on the type and stage of the tumor, as well as the patient's overall health. Surgery is often the first line of treatment and aims to remove as much of the tumor as safely possible while preserving brain function.

Depending on the diagnosis, surgery may be followed by radiation therapy, chemotherapy, targeted therapy, or other advanced treatment approaches. Significant advancements in neurosurgical techniques, including minimally invasive and image-guided procedures, have improved both treatment precision and patient outcomes.

Many neurodegenerative disorders progress silently before showing severe symptoms. Delaying medical help reduces the treatment options and increases the risk of permanent damage. Early diagnosis allows the professional to help you before the complications become life-altering. When it comes to brain health, responding early to distress signals is the difference between recovery and irreversible consequences.

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Mayim Bialik Says Just One GLP-1 Shot Triggered ‘Nightmare’ Side Effects

Updated Jun 8, 2026 | 06:00 PM IST

SummaryAfter a single GLP-1 dose, Mayim Bialik suffered gastrointestinal symptoms such as uncontrollable diarrhea, sulfur burps, sneezing attacks, cramping, bloating, and full-body aching, among others.
Mayim Bialik Says Just One GLP-1 Injection Triggered ‘Nightmare’ Side Effects

Credit: Mayim Bialik/ Instagram

The former Big Bang Theory star, Mayim Bialik, has opened up about her user experience of using the popular GLP-1 medication, which led to weeks of debilitating side effects after a single low-dose injection.

Mayim said she needed IV fluids at home after experiencing 'explosive' gastrointestinal symptoms.

In an essay that she penned for The Free Press titled "My GLP-1 Nightmare," the 50-year-old actress admitted that she had grappled with body image issues since she was a teenager. However, she emphasized that weight loss was not her primary reason for taking GLP-1 medication.

"I went on a weight-loss drug because a doctor told me it might help ease symptoms I’ve struggled with for basically my entire adult life," Mayim said.

Mayim revealed that she had been diagnosed with the autoimmune disorder, Graves’ disease, at age 23. The American actress wrote that in the last 25 years, the disorder has led to unexplained symptoms including "full-body rashes and welts, severe histamine reactions to foods and smells, palpitations, hourly wake-ups for an entire year, crying jags alternating with crippling depression."

The former "Jeopardy" host recalled that from connective tissue disease to mast cell activation syndrome (MCAS) to Sjögren’s syndrome, and dysautonomia, she got a series of diagnoses, yet "no single specialist could quite explain".

Severe Side Effects After A Single GLP-1 Injection

Thus, on the advice of three different doctors, who suggested GLP-1 because "the drugs have shown promise in reducing the systemic inflammation that drives autoimmune conditions," Mayim decided to take the medication a few months ago, Fox News reported.

While she hoped that GLP-1 could be the "magic cure," the experience quickly took an unexpected turn.

"I took one shot of the lowest dose of a synthetic GLP-1, and to say I had an adverse reaction would be somewhat of an understatement," she said. "Explosive, uncontrollable diarrhea. Sulfur burps were so violent that they left me afraid to open my mouth in public. Sneezing attacks every time I tried to eat or drink—which apparently has a name, snatiation."

"Cramping. Bloating. Full-body aching, as though I had the flu," she continued. "And an inability to keep down even small sips of water without sprinting to the bathroom with yet more explosive diarrhea. More than three times, I didn’t make it."

Mayim recalled that she struggled to hold down food or water, and the ordeal left her so dehydrated that she needed IV fluids.

Mayim wrote that she ultimately decided to discontinue taking the GLP-1 and gave her "remaining hundreds of dollars of shots" to a friend.

Why Weight Loss Drugs May Not Work For All

Also read: Not Everyone Taking Ozempic, Other GLP-1 Drugs Will Lose Weight, Experts Say

GLP-1 receptor agonist drugs such as Ozempic and Wegovy have shown significant benefits for people with diabetes and obesity. While these GLP-1 receptor agonists have produced phenomenal responses in a majority of patients, it remains a reality that these drugs work differently for different people. Reasons include:

1. Genetic and Hormonal Variability

2. Underlying Medical Conditions

3. Unrealistic Expectations

A recent study suggests that genetic resistance may also be at play. In other words, some people are biologically less responsive to these medications, making these drugs less effective.

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