Greenlink Medical Clinic

Greenlink Medical Clinic We are a General Practice (GP) Clinic located just next to Khatib MRT Station. Our Resident General Hypertension, Diabetes, High Cholesterol etc.)

GREENLINK MEDICAL CLINIC is a General Practice clinic that is located just next to Khatib MRT Station. Our Resident Doctor is Dr Gideon Hong who is also a registered Family Physician. Dr Hong is qualified in Singapore from the National University of Singapore (NUS) and has done further training in the fields of dermatology from Cardiff University in Wales and Family Medicine from NUS. He treats people of all ages from infants to the elderly and has a wide range of medical interests. He has special interests in Children's Vaccination, Chronic Disease Management (eg. and Skin Problems (Medical Dermatology - including eczema, acne etc.). In addition, he is certified and trained in the administration of Botox and Fillers to the face.

18/12/2025

Dear ALL,

We will be closed on Christmas Eve and Christmas Day

24/12/2025 - 25/12/2025

For New Year, we will be closed on New Year’s Eve and New Year’s Day

31/12/2025 - 01/01/2026

Merry Christmas and a Happy New Year to ALL!

01/11/2025

Dear ALL,

Dr Hong will be on leave from

10 - 23 November 2025.

There will be NO Relief doctor.

He will be back to work on 24/11/2025.

For those who will be due for their Weight Loss injection from 10-24 November, please try to come for a review by Saturday 8/11/2025.

Those who are running low on Chronic Medications or need to get Vaccinations done such as the Flu Vaccine, Pneumococcal Vaccine etc. please try to drop by in the coming week.

Thank you.

Updates for Cholesterol and Weight Loss.Medical Science is advancing rapidly and there are newer and more effective trea...
12/09/2025

Updates for Cholesterol and Weight Loss.

Medical Science is advancing rapidly and there are newer and more effective treatments for various medical conditions.

The newer treatments come in the form of Injectables.

For Cholesterol, one new form of treatment is a class of medicines called PCSK9 Inhibitors.

These come in the form of an injection once every 2 to 4 weeks and is now available in our Clinic.

The medicine is called Evolocumab - Repatha.

This medicine is highly effective in lowering LDL which is the Bad Cholesterol.

This class of medicine can serve as an alternative for patients who are unable to tolerate side effects to Statins or unable to achieve their target LDL levels while on oral medication.

There is another injection for Cholesterol which can be done 6 monthly.

This is Inclisiran and it works in a similar way to the PCSK9 Inhibitors but it is a totally new class of medicine and contains a small piece of RNA which then helps the liver to remove the LDL from the body.

As it is done 2 times a year (6 Monthly), it is much more convenient.

For Weight Loss, this is where there are some exciting developments.

For quite some time now, the once a week injectable medicines have been out of stock.

They are now in stock and available in Singapore.

These are the medicines that belong to a class of medicines called GLP-1 Agonists.

The well known GLP-1 Agonists are Semaglutide, also known as Ozempic and Wegovy.

How it works is to reduce gastric/stomach emptying, leading to a sensation of fullness. It helps to reduce hunger and craving for food.

Now, there is an even newer medicine that contains not only GLP-1 but GIP as well. This medicine is Tirzepatide, also known as Mounjaro.

Now this combination of GLP-1 and GIP helps not only to reduce your appetite, studies also shows that it helps to reduce fat mass. In fact, a study done showed that it reduced fat mass 3 times greater than lean mass.

These medicines have an overall benefit in reducing adverse cardiovascular events and have shown improvements in the Blood pressure, Cholesterol and Glucose levels.

What are the side effects? Well because of the way this class of medicines work, the main side effects are Gastrointestinal, mainly Nausea, Bloatedness and also diarrhoea.

However the side effects usually improve with time.

Drop by for a discussion when time permits.

Understanding your own body and being aware of the newer and updated medical options can help us optimise our health for a better quality of life.

25/08/2025

ear ALL,

Dr Hong will be on leave on 26/08/2025 Tuesday Night.

There will be NO Relief Doctor.

He will be back to work on 27/08/2025.

18/08/2025

Dear ALL

Dr Hong will be on leave on 20/08/2025 Wednesday Night.

There will be NO RELIEF doctor.

He will be back to work on 21/08/2025.

21/07/2025

Dear ALL,

Please take note.

Dr Hong will be on leave on

Friday 25/07/2025.

And from

Monday 28/07/2025 ​to Thursday 31/07/2025.

There will be NO Relief doctor.

Clinic will resume normal operations on 01/08/2025.

06/06/2025

Health Screening, Colorectal Cancer, a Positive Outcome….

Quite some time ago, I used to be an active Tennis Player. Good enough to play competitively during school days.

After starting work, I stopped playing tennis.

But then some years ago, I started playing with some SIA Cabin Crew at the SIA Sports Club.
I have since stopped due to lack of time.

I recall one of the cabin crew asking me one day what I did. They were all mostly Pilots and Cabin Crew with some office staff.

I told him that I was a doctor, and his reaction was quite interesting.

He said something like this, “wah! Your job very negative man. How you tahan…”

I replied, “ yah, come here and hit some balls and de-stress lor hahaha….”

But then I asked him hmm, why do you say that?

His reply was that in my line of work, I just listen to problems the whole day long.

I am surrounded by negativity.

I never looked at it that way before but as I thought about it, he had a point.

Not all patients we see are ill. In fact many well patients come in for routine things like Health Screening, Vaccinations and general consultation for their health and administrative stuff.

But it is true, a large part of my day is spent listening to problems.

So when good things happen, I guess it is also important to take some time to appreciate and maybe, also to share.

So here’s something with a somewhat positive outcome.

Recently, we had a patient in her late 60s who had Health Screening done at our clinic.

A Basic Health Screen was ordered consisting of blood tests for Diabetes, Cholesterol, Liver Function, Kidney Function, Calcium and Uric Acid levels, Blood count test and a Urine test.

MOH offers a subsidised screening for Colorectal Cancer for those above 50 years old. We ordered this test as well.

This stool test is known as the Faecal Immunochemical Test - we just call it FIT KIT.

What this does is test for the presence of blood in the stool. If there is blood in the stool, it can come from piles which is very common but it can also come from things which are not good.

It was fortunate for this patient that Health Screening was done.

She was found to have Diabetes - Newly diagnosed, her blood glucose was very high and needed treatment immediately.

When she came back for review, I explained to her the results.

We discussed about her diagnosis of Diabetes and we agreed on starting medication to bring her condition under control.

Her FIT KIT result came back as Positive - 2 samples were sent and both showed the presence of blood.

Such a result requires a further evaluation in the hospital setting.

After some discussion with her family, they decided to be referred to a private hospital.

I referred her to a senior and experienced surgeon at Mt Alvernia Hospital. She was seen by the surgeon who ordered a Colonoscopy. This was done in late February.

I received a phone call from the surgeon after the Colonoscope and he informed me that he had found a tumour in the colon and it looked cancerous and that Biopsies was taken to confirm the diagnosis.

Results later confirmed that the tumour was arising from a colorectal cancer.

At the same time, he told me he was ordering CT Scans to check for spread to other organs and thankfully once these were done, it showed that there was no spread.

As the patient and family were comfortable with the surgeon, they proceeded to plan for surgery to remove the cancer.

Surgery was successfully performed in March this year. The doctor wrote back to me and his opinion is that the prognosis is good.

Post operatively, she recovered well and recently came back for follow up with me for her Diabetes just last month..

I ordered blood tests and her diabetes was under control.

She will require regular medication and follow up with the clinic but otherwise there was no other issue.

Now this is a case where Health Screening made a difference.

A simple FIT KIT test led to a diagnosis of Colorectal Cancer and the tumour was removed before it could spread and cause other damage.

Blood tests diagnosed the Diabetes and it is now under control.

This is just a sharing to show that simple Health Screenings like this can make a positive difference to you and your family member’s health.

DrH

05/05/2025

Dear All

Please take note:

Dr Hong will be on leave from Monday 5/05/2025 to Wednesday 07/05/2025.

There will be No Relief doctor.

12/03/2025

Dear ALL,

Please take note.

Dr Hong will be on leave from

17/03/2025 to 20/03/2025.

There will be NO RELIEF doctor.

Clinic will reopen on Friday 21/03/2025.

27/01/2025

Dear ALL,

Our Clinic will be CLOSED during Chinese New Year from:

Tuesday 28/01/2025 to

Saturday 01/02/2025.

Clinic will reopen on Monday 03/02/2025.

HAPPY CHINESE NEW YEAR!

15/01/2025RSV Vaccine - Respiratory Syncytial Virus Vaccine“...this is not the same father that I had brought to hospita...
15/01/2025

15/01/2025

RSV Vaccine - Respiratory Syncytial Virus Vaccine

“...this is not the same father that I had brought to hospital before his admission…”

Last Saturday after finishing up the morning session clinic, I attended a medical lecture session for doctors.

Most doctors attend lectures and training after office hours and many Saturday afternoons and sometimes Sundays are spent going for updates and training.

The topic that day was on the RSV Vaccine - Respiratory Syncytial Virus Vaccine.

First off, RSV is nothing new.

Seated next to me was a much older doctor. He said he didn’t know much about it other than what we were taught during our uni days. That it was mainly a disease affecting babies and young children. He was there also to find out more about what has been going on.

Yes, to parents, you might remember your child having been ill when they were very young. Some had wheezing and had to be admitted to hospital. You might have heard about this condition called Bronchiolitis, which is basically an inflammation of the small airways caused by the RSV.

That day, the prof from KK Hospital told us that by 2 years of age, virtually all children have been exposed to the RSV.

Now, we have an ageing population in Singapore.
There are more and more older people compared to younger ones. It is estimated that by 2030, 1 in 4 adults will be above 65 years old.

The elderly are more vulnerable and when they come down with something like the RSV infection, their health takes a turn for the worse.

The first speaker that day began his part of the lecture by taking us through a real life case of a patient that he had treated in hospital.
This was an elderly gentleman who had a few chronic medical problems such Diabetes, Hypertension, Heart Problems.

He had developed symptoms of a Cough and Fever and went to see his family doctor. The doctor had assessed him and started him on 2 antibiotics to fight the infection.
However his symptoms continued to worsen until he developed shortness of breath and went to the hospital.
There at the hospital, tests were run and he was found to have the RSV infection.

Unlike influenza, there is no specific medication to treat RSV infection.
Treatment is largely supportive, to provide enough oxygen and rest for the patient with close monitoring.

The Specialist talking to us told us this.

The patient after admission developed a “cascade of complications”.

From the RSV infection, he went on to develop a secondary infection in the lungs - Pneumonia, which worsened his oxygen levels. He had to be admitted to the ICU and then his heart was affected and he had to be given some medication for the heart. However he developed some other complications from the medicine used to treat the heart and on it went......

Long story short. He had many complications during his admission for RSV infection.

He survived but his body was severely deconditioned after this hospital admission and he was a lot weaker than before.

Upon discharge, the daughter said these words to the Specialist,

“...this is not the same father that I had brought to hospital before his admission…”

The point of this story to was illustrate that for the Elderly, the RSV infection can cause significant complications. There is no specific treatment but now a vaccine is available in Singapore.

For the Elderly, it is recommended for those who are healthy and above 75 years old.

For those who have Chronic Lung (eg. Asthma, COPD) or Chronic Heart Conditions, then it should be done after the age of 60 years old.

A vaccine is also available for for Pregnant ladies and it can be done between 32 to 36 weeks or pregnancy. The purpose of the vaccine is to protect the baby for the first 6 months after birth.

You can drop by for a discussion on the different vaccines that might be relevant to you, based on your age group and medical status.

Dr H

RSV Vaccine protects against the Respiratory Syncytial Virus (RSV). It is available at Greenlink Medical Clinic in Yishun, Khatib. Singapore

21/12/2024

Dear ALL,

We will be closed on Christmas Eve and Christmas Day on 24th to 25th December 2024.

For New Year, we will also be closed on New Year’s Eve and New Year’s Day,
31st December 2024 and 1st January 2025.

Merry Christmas & a Happy New Year!

Address

Blk 807, Yishun Ring Road, #01-4213
Singapore
760807

Opening Hours

Monday 08:30 - 14:30
18:30 - 20:30
Tuesday 08:30 - 14:30
18:30 - 20:30
Wednesday 08:30 - 14:30
18:30 - 20:30
Thursday 08:30 - 14:30
Friday 08:30 - 14:30
Saturday 08:30 - 12:15

Telephone

+6567552238

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