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Showing posts with label Bacteria. Show all posts
Showing posts with label Bacteria. Show all posts

Sunday, 14 February 2021

Be sexually safe this Valentine’s


Don’t let your partner kiss you if they are recovering from a cold sore or ulcer caused by HSV-1 as they can still pass the virus on to you. — AFP

G. vaginalis is the most common bacteria in the vagina and a common cause of bacterial vaginosis. — Filepic


https://youtu.be/2iWShIc3SiI 

 Absolutely amazing video clip... I really appreciate it..... Its an eye opener for our new generation who forget their roots and traditions. That's what have made us retrogress somehow to lead to immoral aspects.... Thumbs up to sender, Sister Swa

 

Being in a monogamous relationship, or abstaining from sex, doesn't necessarily guarantee from sexually-transmitted infection.

 Valentine's day usually invokes the notions of love and romance.

Just imagine, you are on a nice dinner date with your other half and spend the night together in an almost fairytale-like evening.

But this lovely memory soon gets shattered when you or your partner discover unusual symptoms in the genital region.

Suddenly, worry – and even suspicion of each other – fills the atmosphere between the two of you.

And it doesn’t help that it is a topic many people might find difficult to bring up with their partners.

Truth be told, most men and women who are in faithful relationships or who have not had sex before do not expect any unusual symptoms in their genital region.

To suddenly discover a wart, a painful ulcer, or even a smelly and fishy discharge from the vagina, can be distressing.

Whether it’s kissing, skin to skin contact, or vaginal, oral or anal sex, each of these interactions can pose a risk of disease transmission.

But before you jump the gun and start thinking that your partner has cheated on you or lied about their sexual history, hold your horses – he or she could still be innocent!

Here are the top three sexually-transmitted infections (STIs) that one may develop even if you are in a faithful relationship OR have not had sex before.

> Herpes simplex virus (HSV) 1

HSV-1 results in an incurable viral disease commonly known as herpes, which usually causes cold sores and oral ulcers in and around the lips and gums.

These cold sores and ulcers usually cause quite a bit of discomfort, especially when eating.

However, during the recovery stage of the cold sore or ulcer, you will usually not feel anything and may not even remember that you have it.

But it is still infectious at this stage and you may inadvertently spread the virus to your partner while kissing them.

The tricky part comes if you’ve engaged in oral sex with your partner.

Your partner may then develop ulcers around their genital region.

It is a misconception that genital ulcers are exclusively caused by HSV-2 as HSV-1 can also cause such ulcers.

According to the World Health Organization (WHO), about 70% of the world’s population are carriers of HSV-1. The good news is that oral and genital herpes are often asymptomatic (do not have symptoms).

They also do not spread to your partner when there are no active ulcers.

They only flare up when your immune system is weakened and become contagious through contact when an ulcer is present.

Flare-ups can occur once every few months to once every few years, to even once every few decades.

You may experience tiredness, chills, fever and body aches before the painful ulcers emerge, often in the same place either at the genitals or mouth.

It is not all doom and gloom however, as you can get an accurate diagnosis with either a swab test of the active ulcer or a blood test two to three months after an active infection.

Getting a confirmed diagnosis can equip you with knowledge on how to prevent this infection with lysine supplements or by treating any active ulcers with antiviral medicines such as valacyclovir.

If left untreated, these ulcers often get painful, but will eventually recover by themselves after two to three weeks.

> Human papillomavirus (HPV) warts

I know it’s a lot to take in after hearing about HSV, but hang in there as we discuss our next disease: HPV warts.

These are cauliflower-like warts caused by HPV.

There are over 100 strains of HPV.

Apart from the 14 cancer-causing high-risk strains, there are also numerous low-risk strains that cause warts.

HPV warts do not turn into cancer, but are often unsightly and manifest themselves in and around the genital region.

HPV is a very common virus that can be found in a large majority of sexually-active persons.

However, it is often well-controlled by our immune system and does not cause any major symptoms.

HPV can be exchanged between you and your partner during sexual contact.

And when your body encounters a new HPV strain, it can cause the warts to develop.

The good news is that although it is unsightly, these warts are often harmless and can be treated with a variety of options, including creams, freezing with liquid nitrogen, and ablation with heat or electrocautery.

While these warts are easily treatable, a cause of greater concern are the high-risk strains like HPV 16,18 and 45.

These strains affect women more because of their ability to cause cervical cancer.

However, both women and men can protect themselves and their partners by getting vaccinated against these strains.

So fret not if you notice an unusual cauliflower-like lump or wart in the genital region; just speak to your doctor to get it assessed and treated.

> Bacterial vaginosis

Last but not least, one of the biggest causes of a fishy and foul-smelling vaginal discharge is the condition known as bacterial vaginosis.

It occurs when there is an imbalance between the good and bad bacteria in your vagina, and is often caused by the bacteria called Gardnerella vaginalis, the most common bacteria in the vagina. 

In the event of a big build-up of bacteria, it can also cause one to develop symptoms of vaginitis, i.e. inflammation of the vagina, resulting in swelling, pain, and even painful sexual intercourse.

Until now, doctors and scientists do not know the exact mechanism of how this occurs, but sex – with or without condoms – often exacerbates this condition.

This condition can be easily diagnosed with a vaginal swab and treated with a vaginal pessary or oral antibiotics.

If you have read up to here, fret not, today can still be an amazing day for you and your partner – just make sure you practise safe sex and get yourselves tested for STIs as a precaution if you haven’t already.

By Dr Julian Hong who is a general practitioner (GP) in Singapore. For more information, email starhealth@thestar.com.my. The information provided is for educational purposes only and should not be considered as medical advice. The Star does not give any warranty on accuracy, completeness, functionality, usefulness or other assurances as to the content appearing in this column. The Star disclaims all responsibility for any losses, damage to property or personal injury suffered directly or indirectly from reliance on such information.

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Tuesday, 6 May 2014

Clean hands save lives, wash your hands to combat germs!

PETALING JAYA: The role of hand hygiene in preventing the spread of drug-resistant germs is the focus of the World Health Organisation’s annual “SAVE LIVES: Clean Your Hands” campaign this year.

Launched yesterday, the campaign is in line with WHO’s recently-released report on Antimicrobial Resistance: Global Report on Surveillance.

How bacteria become resistant
Bacteria grow resistant to antibiotics through natural selection. When drugs are used, some organisms may have ways of surviving. As they reproduce or pass DNA to other bacteria, those traits become more common, weakening antibiotics’ power.

The report states that there are increasingly more types of bacteria which cannot be killed by antibiotics. The report also stated that no one in the world is safe from this menace.

However, WHO also reported that should compliance with hand hygiene in health facilities increase from under 60% to 90%, there could be up to a 24% reduction in the infection of methicillin-resistant Stap­hylococcus aureus (MRSA).

MRSA, most commonly contracted in hospitals, is rapidly becoming more difficult to treat with current drugs.

“Whether it is the hands of the patient, their visitors or the healthcare team, people must remember to practise good hand hygiene in a healthcare setting, especially in hospitals,” said Patient Safety Council of Malaysia member Dr Milton Lum.

Good hand hygiene means washing the hands thoroughly with soap and water before and after touching a patient.

“Everyone has germs on his or her body so despite our good intentions in visiting our sick relatives or friends, we may actually pass on a bug unintentionally,” said Dr Lum.

Patients for Patients Safety Malaysia chairman J. Manvir said he believed that patients should also wear masks to protect themselves from airborne infections.

“Children under 12 should not be visiting patients, especially in hospitals.

“You may not be able to teach them to practise good hand hygiene but you can keep them at home to prevent them from passing on an infection to the patient as well as preventing them from getting ill,” said Manvir.

Antibiotic resistance has been around since the 1940s when the first antibiotic, penicillin, allowed doctors to kill off the many bacteria that were the source of different infections.

However, subsequent misuse of penicillin accelerated the natural evolution of the bacteria, resulting in the microbes becoming resistant.

Contributed by Tan Shiow Chin The Star/Asia News Network

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The world's leading health organization is sounding serious alarm bells about the problem of antibiotic resistance.

Monday, 5 May 2014

WHO's Alarm Bells: Antibiotic Resistance Now a 'Major Threat to Public Health'

The world's leading health organization is sounding serious alarm bells about the problem of antibiotic resistance.


In its first report on the issue ever, the World Health Organization (WHO) is sounding alarms about the issue of antibiotic resistance and the global public health threats it poses to our increasingly interconnected world.

"The problem is so serious that it threatens the achievements of modern medicine. A post-antibiotic era—in which common infections and minor injuries can kill—is a very real possibility for the 21st century," the report states.

Antibiotic resistance occurs when bacteria no longer die when treated with antibiotics. As a result, doctors have to use stronger, more potent antibiotics, and the more those are used, the more resistance bacteria develop to those as well. The WHO is warning that we're reaching a point in which the strongest antibiotics doctors have in their arsenal, the "treatment of last resort" drugs as they're called, no longer work.

And in fact, it's no longer just bacteria that are becoming resistant. The WHO has stopped referring to the problem as "antibiotic resistance" and now calls it "antimicrobial resistance," to encompass other organisms, such as viruses and parasites, that no longer respond to the drugs of choice. Namely, treating the viruses tuberculosis and HIV, and malaria (a parasite), has become harder as these diseases become resistant to medications. Even H1N1, the so-called "swine flu" that reached pandemic levels in 2009, has begun developing resistance to potent antiviral drugs.

Resistance Is a Worldwide Problem

One of the major points of the report is that diseases that used to be restricted to certain locales are now spreading internationally:

Among their key findings:
• Resistance to the treatment of last resort for life-threatening infections caused by a common intestinal bacteria, Klebsiella pneumonia—carbapenem antibiotics—has spread to all regions of the world. K. pneumoniae is a major cause of hospital-acquired infections such as pneumonia, bloodstream infections, infections in newborns and intensive-care unit patients. In some countries, because of resistance, carbapenem antibiotics would not work in more than half of people treated for K. pneumoniae infections.

• Treatment failure to the last resort of treatment for gonorrhea—third generation cephalosporins—has been confirmed in Austria, Australia, Canada, France, Japan, Norway, Slovenia, South Africa, Sweden and the United Kingdom. More than 1 million people are infected with gonorrhoea around the world every day.

• People with MRSA (methicillin-resistant Staphylococcus aureus) are estimated to be 64 percent more likely to die than people with a non-resistant form of the infection. MRSA, which can cause septic bloodstream infections when exposed to broken skin, is one of the most common "community-acquired" resistant infections, meaning you're likely to pick it up anywhere other people are—your gym, place of worship, a nearby park or even at schools. In the Americas, as many as 90 percent of staph infections are reported to be MRSA.

• There hasn't been a new class of antibiotics developed since the late 1980s.

We Can't Track What We Don't Know

The WHO is calling on countries all over the world to step up their surveillance of these deadly infections, something that happens rarely, if at all. An investigative report, "Hunting the Nightmare Bacteria," that ran on the PBS program Frontline in October 2013 revealed that public health officials in the U.S. have little to no data on the extent of antimicrobial resistance in this country. Healthcare facilities aren't required to report outbreaks, the report found, and many don't because they don't want to scare people or have to deal with bad PR.

“It is frankly embarrassing that we as a country do not know where resistance is occurring, how bad the problem is for various organisms or who’s using what antibiotics when,” Brad Spellberg, MD, an infectious disease doctor at Harbor-UCLA Medical Center, said in the documentary.

The Centers for Disease Control and Prevention has estimated that antimicrobial resistant infections hit two million people a year and kill at least 23,000. But the WHO notes that in most countries around the world, including the U.S., often only the most severe infections are documented and minor community-acquired infections (which can get passed along repeatedly and wind up as a severe infection) go unreported.

Clean Up the Food Supply!

For quite possibly the first time, the WHO also called out the food industry for its contribution to antimicrobial resistance. " The use of antibiotics in animal husbandry—including in livestock, poultry and fish farming—are leading to increasing recognition that urgent action is needed to avoid inappropriate use, and to reduce antibiotic usage in animal husbandry and aquaculture, as well as in humans," the report states. In the U.S., 80 percent of antibiotics sold go into animal feed to prevent infections in healthy animals or to speed growth. And we're not alone. "In many countries, the total amount of antibiotics used in animals (both food-producing and companion animals), measured as gross weight, exceeds the quantity used in the treatment of disease in humans," the authors found.

The same classes of antibiotics used on these animals are the same as those given to humans. In particular, fluoroquinolones, antibiotics used widely in the poultry industry, are increasingly ineffective against urinary tract infections caused by drug-resistant E. coli bacteria, which have been detected on all forms of supermarket meat, and against MRSA soft-tissue and skin infections.

Numerous groups in the U.S. have sued the Food and Drug Administration to revoke its approvals in animals for antibiotics that are valuable for humans. The agency's only response has been to set voluntary guidelines for the industry.

What You Can Do

Despite the damage factory farming has done to antibiotic effectiveness, the WHO and other public health officials insist that the first line of defense in controlling the problem of antimicrobial resistance is the healthcare setting: Stopping doctors from giving patients antibiotics for conditions they aren't designed to treat, for instance, when you're given antibiotics for a cold that's caused by a virus, not bacteria.

• Don't automatically ask for antibiotics when you feel sick and visit a doctor.

• If your doctor prescribes an antibiotic, ask if there's an alternative before just accepting the advice. Some doctors feel compelled to offer the drugs to make people feel better, but asking for an alternative can open up a dialogue about other options.

• When you do need an antibiotic, take the full course, even if you're feeling better.

• Wash your hands frequently to protect yourself from community-acquired infections, and keep your hands away from your nose, eyes and mouth, where infections can enter.

Contributed by  By EMILY MAIN

 Where Health Meets Life


Alarm bells over antibiotic resistance 

The World Health Organisation’s most comprehensive report to date sounds a warning that we are entering a world where antibiotics have little effect.

THE World Health Organisation (WHO) has sounded a warning that many types of disease-causing bacteria can no longer be treated with the usual antibiotics and the benefits of modern medicine are increasingly being eroded.

The comprehensive 232-page report on anti-microbial resistance with data from 114 countries shows how this threat is happening now in every region of the world and can affect anyone in any country.

Antibiotic resistance – when bacteria evolve so that antibiotics no longer work to treat infections – is described by the report as “a problem so serious that it threatens the achievements of modern medicine”.

“A post-antibiotic era, in which common infections and minor injuries can kill, far from being an apocalyptic fantasy, is instead a very real possibility for the 21st century,” said Dr Keiji Fukuda, WHO assistant director-general who coordinates its work on anti-microbial resistance.

“Without urgent, coordinated action, the world is headed for a post-antibiotic era in which common infections and minor injuries which have been treatable for decades can once again kill.

“Effective antibiotics have been one of the pillars allowing us to live longer, live healthier, and benefit from modern medicine.

“Unless we take significant actions to improve efforts to prevent infections and also change how we produce, prescribe and use antibiotics, the world will lose more and more of these global public health goods and the implications will be devastating.”

The report, “Antimicrobial Resistance: Global Report on Surveillance”, shows that resistance is occurring in many bacteria causing different infections.

It focuses on antibiotic resistance in seven bacteria responsible for common, serious diseases, such as bloodstream infections (sepsis), diarrhoea, pneumonia, urinary tract infections and gonorrhoea.

What is especially alarming is that the bacteria’s resistance has also breached “last resort” antibiotics, which are the most powerful medicines that doctors resort to when the usual ones do not work.

When patients do not respond to the usual medicines (known as first-line or first-generation medicines), doctors prescribe newer (second line medicines) which also usually also cost more.

When these also don’t work, newer and often more powerful (but sometimes with also more side effects) antibiotics are used, and they are even more expensive.

If these third-line or “last resort” medicines are not available or too costly for the patient, or if they don’t work on a patient because of antibiotic resistance, the patient remains ill or dies if the infection is a serious one.

New antibiotics have been discovered in the past to treat infections when the old ones became useless due to resistance.

But these discoveries dried up in the past 25 years.

The last completely new classes of anti-bacterial drugs were discovered in the 1980s.

Pathogens that are becoming increasingly resistant including to the more powerful antibiotics include E. coli, K. pneumonia, S. aureus, S. pneumonia, salmonelia, shigella and n. gonorrhoeae.

Key findings from the report include:

> Resistance to the treatment of last resort for life-threatening infections caused by a common intestinal bacteria, K. pneumonia — carbapenem antibiotics — has spread worldwide.

K. pneumoniae is a major cause of hospital-acquired infections such as pneumonia, bloodstream infections, infections in newborns and intensive-care unit patients.

In some countries, because of resistance, carbapenem antibiotics would not work in more than half of people treated for K. pneumoniae infections;

> Resistance to one of the most widely used antibacterial medicines for the treatment of urinary tract infections caused by E. coli – fluoroquinolones – is very widespread.

In the 1980s, when these drugs were first introduced, resistance was virtually zero.

In many countries today, this treatment is ineffective in more than half of patients;

> The sexually transmitted disease, gonorrhoea may soon be untreatable unless there are new drugs. Treatment failure to the last resort of treatment for gonorrhoea – third generation cephalosporins – has been confirmed in several countries; and

> Antibiotic resistance causes people to be sick for longer and increases the risk of death.

For example, people with MRSA (methicillin-resistant Staphylococcus aureus) are estimated to be 64% more likely to die than people with a non-resistant form of the infection.

There are many cases of patients being infected by MRSA in hospitals.

The report also gives useful information on the worrisome building up of resistance in four serious diseases — tuberculosis, malaria, HIV and influenza.

A major factor accelerating resistance is in the animal husbandry sector, where there is a liberal use of antibiotics mainly to promote the growth of the animals used for food, for commercial purposes.

This builds up resistance in the bacteria present in the animals.

These resistant germs are passed on to humans who consume the meat.

The report has a small section on the animal-food chain, which has been identified as a major problem.

The European Union has banned the use of antibiotics as growth promoters in animals, but it is still allowed in other countries.

A WHO press release on the report calls for some actions. These include:

> Setting up basic systems in countries to track and monitor the problem;

> Preventing infections from happening in the first place to reduce the need for antibiotics;

> Only prescribing and dispensing antibiotics when they are truly needed, and prescribing and dispensing the right antibiotic(s) to treat the illness;

> Patients using antibiotics only when prescribed by a doctor and completing the full prescription; and

> Developing new diagnostics, antibiotics and other tools to stay ahead of emerging resistance.

Contributed by Global Trends by Martin Khor

Martin Khor is executive director of the South Centre, a research centre of 51 developing countries, based in Geneva. You can e-mail him at director@southcentre.org. The views expressed are entirely his own.

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