Health
Heavy Rainfall: A Medical Perspective on Health Risks and Prevention
Dubai has recently experienced unusually heavy rainfall in terms of both volume and impact, leading to water accumulation in several areas and disruption to aspects of daily life. While rain is environmentally beneficial, from a medical perspective it poses real health challenges, particularly for the most vulnerable groups. Based on my daily work in emergency departments and intensive care units, I would like to shed light in greater detail on these risks and how to address them with awareness and responsibility.
Key Public Health Risks Associated with Heavy Rainfall
The impact of heavy rainfall extends beyond roads and infrastructure and directly affects human health. The most significant risks include:
- Increased infection rates: High humidity and standing water create an ideal environment for the growth of bacteria and fungi.
- Respiratory illnesses: A rise in common colds, chest infections, and worsening of asthma and allergies due to humidity and mold.
- Physical injuries: Slips, falls, fractures, and bruises, particularly in poorly prepared walkways.
- Road traffic accidents: Reduced visibility, slippery roads, and vehicle breakdowns, leading to serious injuries that may require intensive care.
Increased Pressure on Emergency Departments During Rainy Periods
During periods of heavy rainfall, we clearly observe:
- A noticeable increase in emergency department visits
- A rise in:
- Road traffic accident injuries
- Slips and falls inside and outside homes
- Acute asthma attacks and shortness of breath
- Pneumonia cases among the elderly
Some cases arrive late due to difficulty accessing healthcare facilities, increasing their severity and often necessitating admission to intensive care units. This highlights the importance of not ignoring early symptoms and not delaying medical attention.
Groups at Higher Risk of Health Complications
Certain populations are more vulnerable during these weather conditions, including:
- Children: Due to weaker immunity and greater susceptibility to dehydration and infections
- Older adults: Because of the risk of worsening heart and lung diseases and balance issues
- Patients with chronic illnesses, such as:
- Asthma and chronic lung diseases
- Diabetes (higher risk of skin infections and delayed wound healing)
- Heart disease and hypertension
- Immunocompromised individuals
- Outdoor workers: Due to direct exposure to water, cold, and physical exhaustion
Urgent and Practical Preventive Measures
To reduce health risks, the following measures are strongly advised:
- Avoid going out during heavy rain unless absolutely necessary
- Do not walk or drive through flooded roads
- Wear slip-resistant footwear
- Completely avoid contact with standing water
- Clean and disinfect even minor wounds
- Wash hands regularly and disinfect surfaces
- Strictly adhere to prescribed medications
- Carry asthma inhalers and emergency medications
- Seek medical care immediately if experiencing shortness of breath or sudden deterioration
- Closely supervise children and prevent them from playing near pooled water
- Ensure proper home ventilation to reduce humidity and mold growth
When Should You Seek Emergency Care Immediately?
Do not hesitate to seek urgent medical help if you experience:
- Shortness of breath or chest pain
- Persistent high fever
- Severe diarrhea or vomiting
- Worsening skin infections
- Dizziness or loss of balance after a fall
Final Note
Rain is undoubtedly a blessing, but managing it with health awareness is what transforms it from a potential risk into a safe experience. Cooperation between the community and healthcare authorities, adherence to medical guidance, and making timely decisions are all essential factors in protecting lives and reducing pressure on hospitals.
Health is a shared responsibility—and prevention is always better than cure.
Dr. Mahmoud Medhat Abou Moussa
Specialist in Intensive Care Medicine
International Modern Hospital Dubai
Health
Eli Lilly unveils multi-dose Zepbound pen
Eli Lilly on Monday launched a new form of its blockbuster obesity drug, Zepbound, that offers a month’s worth of doses in a single pen.
Cash-paying patients can get the multi-dose device, called KwikPen, on the company’s direct-to-consumer website, LillyDirect. Prices start at $299 per month for the lowest dose level.
The pen could serve as a more convenient option for some patients, as it reduces the number of devices they have to use in a month to take the drug. Patients can use one pen to take four weekly doses of Zepbound.
Currently, patients on the treatment use a different single-dose auto-injector device each week. Lilly also offers single-dose vials of Zepbound, which require users to draw the medication into a syringe and inject themselves.
The announcement comes as Lilly works to sustain the early success of Zepbound, which has exploded in demand since it first entered the market in late 2023. LillyDirect has been key to Zepbound’s growth, and rolling out a new form of the drug on the platform could attract even more patients.
The torrid growth of Zepbound has helped Eli Lilly seize a majority share of the weight loss drug market from rival Novo Nordisk. In the company’s fourth quarter, Zepbound brought in $4.2 billion in U.S. revenue, a 122% spike from the previous year.
In a release, Lilly said the Food and Drug Administration approved a label expansion for Zepbound to include the multi-dose device.
The KwikPen is already used for other drugs, such as Lilly’s popular diabetes medication, Mounjaro.
“As part of our commitment to supporting people living with obesity in their weight management journey, we are introducing a new option with the Zepbound KwikPen, a device trusted by patients globally and in the United States for other Lilly medicines,” said Ilya Yuffa, president of Lilly USA and Global Customer Capabilities, in the release.
CNBC
Health
Weight-loss jab could be made for $3 a month, study finds
Weight-loss jabs such as Wegovy could be made for just $3 a month, according to new analysis, potentially making the treatment available to millions in poorer countries as patents expire.
More than a billion people live with obesity worldwide, with rates rising fast in lower-income nations as they shift to westernised diets and more sedentary lifestyles.
The World Health Organization designated semaglutide – sold to treat obesity under the brand name Wegovy, and diabetes under the brand name Ozempic – as an essential medicine in September last year.
But global health leaders warned at the time that high prices were limiting access.
New research, published as a pre-print, suggests that semaglutide could be mass produced for $3 (about £2.35) for a monthly dose in its injectable form.
Newer formulations, taken as a pill rather than an injection, could be made for about $16 a month.
One of the authors, Dr Andrew Hill of Liverpool University’s pharmacology department, said: “These low prices open the door to worldwide access to an essential medicine.”
The researchers also found that core patents on semaglutide were due to expire in 10 countries this year, including Brazil, China, India, South Africa, Turkey, Mexico and Canada from 21 March, opening the way to generic competition.
They identified another 150 countries where patents had not been filed, including most of Africa. Those 160 countries are home to 69% of people with type 2 diabetes and 84% of those living with obesity.
Another author, Prof François Venter from Witwatersrand University in Johannesburg, said: “Drugs to treat HIV, TB, malaria and hepatitis are available in low- and middle-income countries for prices close to the cost of production, saving millions of lives while allowing generic companies to make sufficient profit to ensure sustainable supply. We can repeat this medical success story for semaglutide.”
The researchers warned that cheaper treatments would not address the structural drivers of obesity, “including food insecurity, poverty, urbanisation and commercial food environments”, and said that coordinated policies and procurement planning would be needed to realise the benefits.
Dr Nomathemba Chandiwana, chief scientific officer at South Africa’s Desmond Tutu Health Foundation, and a specialist in obesity, who was not involved in the study, said: “This could be very significant for South Africa and many African countries and low and middle-income countries [LMICs] at large where cost has been one of the main barriers to access.”
She said analysis suggested about 27% of adults worldwide met the criteria for drugs such as semaglutide “and importantly, most of those live in LMICs where access to these medicines is extremely limited”.
Chandiwana said the key question now was how health systems integrated the drugs responsibly into broader obesity and diabetes care.
Obesity is linked to a host of other health conditions, including heart disease, diabetes, stroke and cancer. There are 3.7 million deaths attributed to excess weight each year.
The number of people living with diabetes rose from 200 million in 1990 to 830 million in 2022, with the steepest rises in low- and middle-income countries.
Semaglutide was first approved by US regulators in 2017, and costs about $200 a month in the US and £120 a month in the UK. Patents in Britain continental Europe and the US do not expire for another five years.
The research is based on shipment records of key ingredients from 2024 and 2025, and uses the same methodology that has been used in the past to accurately predict the prices of generic medicines for HIV, hepatitis C and some cancer drugs.
Its findings follow research by Médecins Sans Frontières in 2024, which found that diabetes drugs including semaglutide could be made and sold much more cheaply.
The Guardian
Health
Doctors at NMC Royal Hospital Sharjah Restore Vision of 65-Year-Old Man After Sudden Blindness Scare
Sharjah, UAE – What began as a frightening medical emergency for a 65-year-old engineer ended with a remarkable recovery, thanks to the rapid diagnosis and coordinated care of specialists at NMC Royal Hospital Sharjah, who were able to restore his sight after he suddenly lost vision in one eye.
The patient arrived at the hospital in distress after experiencing an abrupt loss of vision in his right eye. Concerned that the condition could be related to a stroke or a neurological disorder, the medical team immediately initiated urgent investigations.
He was first evaluated by Dr. Sherif Mohamed Hussien, Neurologist, who ordered an emergency CT scan to determine the underlying cause of the sudden vision loss. While the patient feared a neurological emergency, the scan revealed an unexpected and potentially dangerous condition, a severe sinus infection.
Recognising the urgency of the situation, the patient was promptly referred to Dr. Ricardo Persaud (FRCS), Consultant ENT Surgeon, for further evaluation. During the clinical assessment, doctors observed that although the patient’s eye reflexes remained normal, there was a subtle bulging of the right eye, which raised further concern.
A detailed nasal examination uncovered the root of the problem: large nasal polyps, non-cancerous growths inside the nasal passages, along with a fungal sinus infection that was predominantly affecting the right side. Further analysis revealed that the infected sinuses were located extremely close to the eye and the optic nerve, the critical nerve responsible for transmitting visual signals to the brain.
The inflammation and pressure caused by the infection had begun to compress the optic nerve, leading to the sudden loss of vision.
Emergency Surgery to Protect the Optic Nerve
Given the high risk of permanent vision loss, the medical team decided to proceed with urgent surgical intervention.
The patient underwent Functional Endoscopic Sinus Surgery (FESS), a minimally invasive procedure that allows surgeons to access and treat sinus disease through the nasal passages using a small endoscopic camera. During the procedure, surgeons carefully removed the infected tissue and cleared the obstructed sinus cavities.
While operating, doctors discovered that part of the thin bone separating the sinuses from the eye had already been partially eroded due to the infection, a sign of how advanced the condition had become. Fortunately, the infection had not yet spread directly into the eye, allowing the surgical team to relieve the pressure before irreversible damage occurred.
A Rapid and Remarkable Recovery
The patient began noticing improvement in his vision shortly after the surgery.
At his one-week follow-up appointment, nearly 80 percent of his vision had returned. Over the following weeks, his recovery continued steadily. By the four-week mark, his eyesight had been fully restored, and his sense of smell, which had also been affected by the sinus disease, had returned as well.
A Warning About Hidden Sinus Complications
Although sinus infections and nasal polyps are often considered routine conditions, this case highlights that in rare circumstances they can lead to serious and unexpected complications, including vision loss if left untreated.
Specialists at NMC Royal Hospital Sharjah emphasise that persistent sinus symptoms such as nasal blockage, facial pressure, headaches or changes in vision should never be ignored. Early diagnosis through proper medical evaluation and imaging can prevent complications and protect vital functions like eyesight.
The multidisciplinary team expressed satisfaction with the successful outcome, noting that the case demonstrates the importance of rapid diagnosis, collaboration between specialties, and timely surgical intervention.
The patient, who described the experience as deeply frightening, expressed heartfelt gratitude to the doctors, nurses and medical staff at NMC Royal Hospital Sharjah for their swift action and compassionate care.
“I was terrified when I suddenly lost my sight,” he said. “But the doctors acted quickly and explained everything clearly. Thanks to them, I can see again and I’m incredibly grateful.”
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