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Precision Medicine
9 October 2025
Hysterical neurosis, now more commonly known in clinical terms as conversion disorder or dissociative disorder, is a condition where a patient perceives themselves through a distorted lens that causes them anguish, anxiety, depression, and a series of various physical symptoms of somatic origin.
Individuals with hysterical neurosis suffer from recurrent frustration and victimhood, always exaggerating the negative aspects of their lives and worrying in an unhealthy way about all kinds of issues, becoming obsessed with things outside of their control or with eccentricities.
They tend to easily accept blame that isn’t theirs, which hinders their interpersonal relationships and turns them into socially maladjusted people with a poor capacity for making decisions.
There are three types of neuroses:
In this case, we are focusing on hysterical neurosis, which is characterized by permanent dissatisfaction, unattainable desires, and a perpetual feeling of defeat and loss. This leads to fear-driven behaviors, where they avoid anything that could be positive out of fear that it might turn negative.
The severity of this type of neurosis ranges from superficial cases without major consequences, which don’t pose significant problems for the patient, to cases of high intensity that can generate severe crises of anguish and depression, including physical symptoms from somatization.
Hysterical neurosis is characterized by the presence of physical or sensory symptoms that have no apparent medical cause.
Some of the most common symptoms include paralysis of a part of the body, tremors, temporary blindness, temporary deafness, fainting, aphonia (loss of voice or speech), or seizures that mimic epileptic ones but without abnormal neurological activity.
These symptoms often arise in moments of high emotional stress or psychological conflict and, although they seem serious, they do not align with conventional neurological patterns.
Beyond the physical manifestations, it’s common for people with hysterical neurosis to have a dramatic or exaggerated attitude, unconsciously seeking attention or care.
Sometimes the symptoms appear suddenly, with no medical explanation but with a clear emotional background. The psychological distress turns into real physical symptoms for the person, even if there is no detectable physiological cause.
The diagnosis of hysterical neurosis is based primarily on the exclusion of medical causes. This means that clinical, neurological, and laboratory studies are first performed to rule out physical conditions that could explain the symptoms. Once these possibilities have been ruled out, the specialist can consider the symptoms to be of psychological origin.
Observing the patient’s behavior and their reaction to the symptoms is also key, as in many cases, there is an apparent emotional detachment, known as belle indifférence, from the seriousness of their physical symptoms.
The treatment of hysterical neurosis requires a psychotherapeutic approach, with cognitive-behavioral therapy being one of the most effective tools.
Through psychotherapy, the patient learns to identify and express their emotional conflicts in a healthy way instead of somatizing them. It is also important to strengthen their ability to manage stress and improve emotional awareness. Sometimes, other forms of therapy, such as psychodynamic therapy or supportive therapy, can be useful, depending on the patient’s personality and needs.
Beyond psychotherapy, psychiatric support is important if there are coexisting symptoms of anxiety or depression, which is common. Teamwork among psychologists, psychiatrists, and general practitioners is essential to offer comprehensive care.
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Comparison of COVID-19 vaccines
Pfizer-
BioNTech
Pfizer-BioNTech
What is its effectiveness and what does it refer to?
Vaccine type: mRNA
Effectiveness: 95% after the second dose in the prevention of symptomatic COVID-19.
No Does not contain egg, latex, or preservatives.
How many doses are needed?
Two doses are needed, at least 21 days apart (or up to six weeks apart, if necessary).
Who should or shouldn’t get the vaccine?
People who should receive the vaccine are those over 16 years old.
People who should not receive the vaccine are those who have a history of anaphylactic shock (severe allergy) or who are allergic to any component of this vaccine such as polyethylene glycol (PEG) or polysorbate.
What are the possible side effects of the vaccine?
Pain where the injection was given, fatigue, headache, muscle pain, chills, joint pain, fever, nausea, malaise, and swollen lymph nodes.
How long will it take for me to be protected and what does it protect me from?
After 14 days of having the complete scheme (after the administration of the 2nd dose), the protection period is still under study. It protects us from serious COVID-19 or requiring hospitalization.
Moderna
What is its effectiveness and what does it refer to?
Vaccine type: mRNA
Effectiveness: 94.5% after the second dose in the prevention of symptomatic COVID-19.
Does not contain egg, latex, or preservatives.
How many doses are needed?
Two doses are needed, at least 28 days apart (or up to six weeks apart, if necessary).
Who should or shouldn’t get the vaccine?
People who should receive the vaccine are those over 18 years old.
People who should not receive the vaccine are those who have a history of anaphylactic shock (severe allergy) or who are allergic to any component of this vaccine.
What are the possible side effects of the vaccine?
Pain where the injection was given, fatigue, headache, muscle pain, chills, joint pain, fever, nausea, and swollen lymph nodes in the arm in which you received the injection.
How long will it take for me to be protected and what does it protect me from?
After 14 days of having the complete scheme (after the administration of the 2nd dose), the protection period is still under study. It protects us from serious COVID-19 or requiring hospitalization.
Janssen/
Johnson
& Johnson
Janssen/ Johnson & Johnson
What is its effectiveness and what does it refer to?
Vector-based vaccine.
Effectiveness: 72.0% in the prevention of symptomatic COVID-19.
85% in the prevention of severe COVID-19.
Does not contain egg, latex, or preservatives./strong>
How many doses are needed?
Only one dose in needed.
Who should or shouldn’t get the vaccine?
People who should receive the vaccine are those over 18 years old.
People who should not receive the vaccine are those who have a history of anaphylactic shock (severe allergy) or who are allergic to any component of this vaccine.
What are the possible side effects of the vaccine?
Pain where the injection was given, headache, fatigue, muscle pain, chills, fever, and nausea.
How long will it take for me to be protected and what does it protect me from?
After 28 days of having the complete scheme (the last dose applied), the protection period is still under study. It protects us from 85% serious COVID-19 or requiring hospitalization.
AstraZeneca
and
Oxford
University
AstraZeneca and Oxford University
What is its effectiveness and what does it refer to?
Adenovirus vector-based vaccine.
Effectiveness: 82% after the second dose in the prevention of symptomatic COVID-19.
How many doses are needed?
Two doses are needed, at least 56 days apart (or up to 84 days apart, if necessary).
Who should or shouldn’t get the vaccine?
People who should receive the vaccine are those over 18 years old.
People who should not receive the vaccine are those who have a history of anaphylactic shock (severe allergy) or who are allergic to any component of this vaccine.
What are the possible side effects of the vaccine?
Pain where the injection was given, fatigue, headache, myalgia, arthralgia, and fever, which were mild to moderate in intensity and disappeared within 48 hours of vaccination.
How long will it take for me to be protected and what does it protect me from?
After 14 days of having the complete scheme (after the administration of the 2nd dose), the protection period is still under study. It protects us from serious COVID-19 or requiring hospitalization.
Sputnik V
What is its effectiveness and what does it refer to?
Adenovirus vector-based vaccine.
Effectiveness: 92% after the second dose in the prevention of symptomatic COVID-19.
How many doses are needed?
Two doses are needed, at least 21 days apart (or up to six weeks apart, if necessary).
Who should or shouldn’t get the vaccine?
People who should receive the vaccine are those over 18 years old.
People who should not receive the vaccine are those who have a history of anaphylactic shock (severe allergy) or who are allergic to any component of this vaccine.
What are the possible side effects of the vaccine?
Pain where the injection was given, fatigue, headache, myalgia, arthralgia, and fever, which were mild to moderate in intensity and disappeared within 48 hours of vaccination.
How long will it take for me to be protected and what does it protect me from?
After 14 days of having the complete scheme (after the administration of the 2nd dose), the protection period is still under study. It protects us from serious COVID-19 or requiring hospitalization.
Anti-Herpes Zoster
Herpes zoster is a painful, burning rash. It usually appears on one part of the body and can last for several weeks. It can cause long-lasting severe pain and scarring. Bacterial skin infections, weakness, muscle paralysis, hearing or vision loss may occur less frequently. Herpes zoster is caused by the same virus that causes chickenpox. After you have had chickenpox, the virus that caused it remains in the body of nerve cells. Sometimes after many years, the virus becomes active again and causes herpes zoster.
Vaccination is indicated in the following cases:
Scheme type:
Rabies
Human rabies is a viral disease transmitted by the bite of an infected animal. It is characterized by acute encephalomyelitis (an aggressive response of the immune system that destroys the myelin layer of the nerves and alters its function at the level of the brain or spinal cord).
Vaccination is indicated in the following cases:
Scheme type:
There are two types.
1. Pre-exposure scheme, consists of three doses of rabies vaccine:
2. Post-exposure scheme, people not vaccinated against rabies, consists of five doses of rabies vaccine.
* If the individual continues to be at risk of exposure to the disease, revaccination should be considered.
Pneumococcal vaccines
Pneumococcal disease can cause serious infections in the lungs (pneumonia), the bloodstream (bacteremia), and the lining of the brain and spinal cord (meningitis).
Two vaccines help prevent pneumococcal disease:
Vaccination is indicated in the following cases:
Scheme type:
*One dose of Pneumococcal 13 vaccine should be given first, followed by one dose of Pneumococcal 23 vaccine, depending on your age and health.