History of infection in cats
When to visit the vet?
Home care monitor at home and contact your vet if worse
YELLOW/ORANGE if current symptoms (fever, apathy, cough, discharge, diarrhea, skin/eye problems) are present or immunosuppression is suspected.
Unsure about what’s wrong with your pet? Feel free to use our Symptom Checker for more clarity
Definition
A ‘historyThe medical history is the systematic collection of a patient’s medical history through questioning. It includes information about previous illnesses, treatments, allergies, and lifestyle habits. of infection’ in cats refers to the presence or memory of a previous infectiousInfectious describes the ability of a pathogen to be transmitted from one individual to another and trigger an infection. It also refers to diseases caused by such pathogens. disease that may have an impact on the cat’s current health status. This infectionAn infection is the colonization and multiplication of pathogens such as bacteria, viruses, fungi, or parasites in an organism, which often, but not always, leads to a disease. may have been either acuteAcute refers to a condition that occurs suddenly and is usually of short duration. In a medical context, it describes symptoms or illnesses that can quickly become serious and require immediate attention. or chronicChronic refers to a condition or disease that is long-lasting or permanent. Chronic diseases often develop slowly and can lead to persistent or recurring health problems over time. and may have affected various systems in the cat’s body.
Can Occur with the Following Diseases:
Basics and possible causes
Infections in cats can be caused by a variety of pathogens, including viruses, bacteriaBacteria are microscopic, single-celled organisms that exist in almost every environment on Earth. Some types of bacteria are beneficial or even essential to life, while others can cause disease., fungi, and parasites. Among the most common viralViral refers to viruses and their effects on the organism. Viral infections in dogs and cats can range from harmless colds to severe, life-threatening diseases. infections are FelineFeline refers to anything related to cats. The term is used to describe diseases, behaviors, or anatomical aspects that are specific to cats. Herpesvirus and FelineFeline refers to anything related to cats. The term is used to describe diseases, behaviors, or anatomical aspects that are specific to cats. Calicivirus, both of which are part of the so-called felineFeline refers to anything related to cats. The term is used to describe diseases, behaviors, or anatomical aspects that are specific to cats. upper respiratoryRespiratory refers to breathing or the process of breathing. Respiratory diseases affect the respiratory tract and can impair the ability to breathe effectively. infectionAn infection is the colonization and multiplication of pathogens such as bacteria, viruses, fungi, or parasites in an organism, which often, but not always, leads to a disease. complex. These viruses can lead to respiratoryRespiratory refers to breathing or the process of breathing. Respiratory diseases affect the respiratory tract and can impair the ability to breathe effectively. diseases and are particularly common in multi-cat households or shelters.
Bacterial infections often occur through wounds or bites that can result from fights with other animals. One of the most common bacterial infections is caused by Pasteurella multocida, which can lead to abscesses and inflammatory conditions.
Fungal infections, such as microsporum or trichophyton (also known as ringworm), are also relevant, especially in humid and warm climates. These infections primarily affect the cat’s skin and coat.
ParasiticParasitic refers to diseases or conditions caused by parasites. Parasitic infections can affect the digestive tract, skin, and other organ systems. infections include both external parasites such as fleas and ticks, as well as internal parasites such as worms. These can lead to a variety of health problems, from skin irritations to severe gastrointestinalGastrointestinal refers to the gastrointestinal tract, a system that extends from the oral cavity to the anus and is responsible for the digestion of food and the absorption of nutrients. diseases.
Typical accompanying symptoms
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RespiratoryRespiratory refers to breathing or the process of breathing. Respiratory diseases affect the respiratory tract and can impair the ability to breathe effectively. symptoms: A cat with a historyThe medical history is the systematic collection of a patient's medical history through questioning. It includes information about previous illnesses, treatments, allergies, and lifestyle habits. of upper respiratoryRespiratory refers to breathing or the process of breathing. Respiratory diseases affect the respiratory tract and can impair the ability to breathe effectively. infections may show persistentPersistent means lasting or continuing for an extended period. In veterinary medicine, it can refer to chronic diseases or symptoms that do not subside. sneezing, coughing, or a runny nose. These symptoms may have been caused by past viral infections.
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Skin changes: Previous bacterial or fungal infections can lead to persistentPersistent means lasting or continuing for an extended period. In veterinary medicine, it can refer to chronic diseases or symptoms that do not subside. itching, skin redness, or bald patches in the coat. These symptoms are often the result of untreated or incompletely healed skin infections.
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Weight loss: ChronicChronic refers to a condition or disease that is long-lasting or permanent. Chronic diseases often develop slowly and can lead to persistent or recurring health problems over time. infections, especially those affecting the digestive system, can lead to unwanted weight loss in the cat. This may be due to reduced food intake or the inability to absorb nutrients effectively.
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Behavioral changes: Infections can influence the cat’s behavior, such as through increased irritability, withdrawal, or increased clinginess or attachment. Such changes can be caused by pain or discomfort.
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Fever: A sign of an active or recently overcome infectionAn infection is the colonization and multiplication of pathogens such as bacteria, viruses, fungi, or parasites in an organism, which often, but not always, leads to a disease. is fever. Cats with fever often appear lethargic and show reduced interest in their surroundings.
When to see a vet?
A veterinary visit is urgently required if the cat shows symptoms indicating a serious health impairment, such as persistentPersistent means lasting or continuing for an extended period. In veterinary medicine, it can refer to chronic diseases or symptoms that do not subside. vomiting, diarrheaDiarrhea refers to the condition of frequent, watery bowel movements, which can be a sign of infections, digestive disorders, or other health problems., severe respiratoryRespiratory refers to breathing or the process of breathing. Respiratory diseases affect the respiratory tract and can impair the ability to breathe effectively. distress, or significant behavioral changes. These symptoms could indicate a serious infectionAn infection is the colonization and multiplication of pathogens such as bacteria, viruses, fungi, or parasites in an organism, which often, but not always, leads to a disease. or complications from a previous infectionAn infection is the colonization and multiplication of pathogens such as bacteria, viruses, fungi, or parasites in an organism, which often, but not always, leads to a disease..
Even if the cat does not show any of the above symptoms but has a known historyThe medical history is the systematic collection of a patient's medical history through questioning. It includes information about previous illnesses, treatments, allergies, and lifestyle habits. of severe infections and abnormalities appear during regular health examinations, a veterinarian should be consulted. This helps to detect and treat potential long-term effects early.
Symptom recognition for the pet owner and veterinary diagnostic procedure
For the pet owner, it is important to watch for subtle signs of a previous infectionAn infection is the colonization and multiplication of pathogens such as bacteria, viruses, fungi, or parasites in an organism, which often, but not always, leads to a disease., such as recurring mild symptoms that appear without apparent reason. Careful observation of the cat’s behavior and physical condition can provide clues to an underlying infectionAn infection is the colonization and multiplication of pathogens such as bacteria, viruses, fungi, or parasites in an organism, which often, but not always, leads to a disease. historyThe medical history is the systematic collection of a patient's medical history through questioning. It includes information about previous illnesses, treatments, allergies, and lifestyle habits..
The veterinarian will take a detailed medical historyThe medical history is the systematic collection of a patient's medical history through questioning. It includes information about previous illnesses, treatments, allergies, and lifestyle habits. to understand the cat’s medical background. This includes inquiring about previous infections, vaccinationVaccination is the process of administering a vaccine to develop immunity against a specific infectious disease. It is one of the most effective methods of prevention of infectious diseases. status, and the cat’s living conditions. Subsequently, specific diagnostic tests, such as blood tests, X-rays, or ultrasoundUltrasound refers to sound waves that are above the hearing threshold of the human ear. In medicine, ultrasound is used for diagnostic imaging procedures to visualize internal organs, tissues, and blood flow., can be performed to assess the current health status and identify possible complications from a previous infectionAn infection is the colonization and multiplication of pathogens such as bacteria, viruses, fungi, or parasites in an organism, which often, but not always, leads to a disease..
Special attention is paid to examining organs that are frequently affected by infections in cats, such as the lungs, liver, and kidneys. These organs may be impaired by previous infections, which could result in long-term damage.
What the pet owner can do and professional therapy options
As a pet owner, you can take some measures to support your cat’s health and mitigate possible effects of a previous infectionAn infection is the colonization and multiplication of pathogens such as bacteria, viruses, fungi, or parasites in an organism, which often, but not always, leads to a disease.. This includes a balanced diet that strengthens the cat’s immune defenses and helps it recover from previous health impairments.
It is also important to provide a clean and stress-free environment to minimize the risk of new infections. Regular grooming can help detect and treat skin problems early.
Additionally, regular administration of supplements specifically developed to support cat health can be beneficial. These include preparations containing omega-3 fatty acids or antioxidants to promote the cat’s overall health.
If the cat shows signs of discomfort, the pet owner should immediately consult a veterinarian to prevent deterioration of the health condition. Early treatment can often be the best preventionPrevention includes measures taken to prevent diseases or injuries. In veterinary medicine, this includes vaccinations, parasite control, and health monitoring. against serious complications.
Outlook on current research
Research on the historyThe medical history is the systematic collection of a patient's medical history through questioning. It includes information about previous illnesses, treatments, allergies, and lifestyle habits. of infections in cats focuses on how previous infections affect the health and immune systemThe immune system is the body's defense system against infectious agents such as bacteria, viruses, fungi, and parasites. It comprises a complex network of organs, cells, and molecules that work together to protect the body. of the animals. Studies show that a past infectionAn infection is the colonization and multiplication of pathogens such as bacteria, viruses, fungi, or parasites in an organism, which often, but not always, leads to a disease. can influence a cat’s immune systemThe immune system is the body's defense system against infectious agents such as bacteria, viruses, fungi, and parasites. It comprises a complex network of organs, cells, and molecules that work together to protect the body. both positively and negatively. Early infections can sensitize and strengthen the immune systemThe immune system is the body's defense system against infectious agents such as bacteria, viruses, fungi, and parasites. It comprises a complex network of organs, cells, and molecules that work together to protect the body. as the body learns to respond effectively to pathogens. On the other hand, severe or prolonged infections can weaken the immune systemThe immune system is the body's defense system against infectious agents such as bacteria, viruses, fungi, and parasites. It comprises a complex network of organs, cells, and molecules that work together to protect the body. and make the cat more susceptible to future illnesses.
Another area of research examines the genetic factors that influence how cats respond to infections. Genetic predispositions can play a role in how a cat fights infections and whether it is more susceptible to certain pathogens. Researchers are working to identify genetic markers associated with increased susceptibility or resistanceResistance refers to the ability of microorganisms to withstand the effects of antibiotics, antifungals, or other antimicrobial drugs. Resistance can also refer to the body's ability to be insensitive to diseases or toxins. to infections. These findings could help develop more targeted preventionPrevention includes measures taken to prevent diseases or injuries. In veterinary medicine, this includes vaccinations, parasite control, and health monitoring. and treatment strategies in the future.
Recent research also examines how environmental factors and lifestyle influence the risk of infections. Cats living in high-stress environments or unsanitary conditions show a higher susceptibility to infections. The research aims to determine how improved living conditions and nutrition can contribute to strengthening the immune systemThe immune system is the body's defense system against infectious agents such as bacteria, viruses, fungi, and parasites. It comprises a complex network of organs, cells, and molecules that work together to protect the body.. A better understanding of these factors could lead to the development of preventive measures to reduce the risk of infectionAn infection is the colonization and multiplication of pathogens such as bacteria, viruses, fungi, or parasites in an organism, which often, but not always, leads to a disease..
Another interesting aspect of research is the role of microbiota in disease preventionPrevention includes measures taken to prevent diseases or injuries. In veterinary medicine, this includes vaccinations, parasite control, and health monitoring. and control. Researchers are investigating how the balance of microorganisms in a cat’s gut influences its immune systemThe immune system is the body's defense system against infectious agents such as bacteria, viruses, fungi, and parasites. It comprises a complex network of organs, cells, and molecules that work together to protect the body.. Healthy intestinalIntestinal refers to the intestine, the part of the digestive tract that extends from the stomach to the anus. Intestinal diseases affect the small and/or large intestine. flora could play a key role in protecting the cat from infections. Studies are exploring the possibility of positively influencing the microbiota through dietary changes or probiotic supplements, thereby improving the cat’s overall health and resilience.
Additionally, research efforts are focused on developing vaccines to protect cats from common infections. Innovative vaccineA vaccine is a substance that stimulates the immune system to develop immunity against specific pathogens without causing the disease itself. Vaccines may contain weakened or inactivated pathogens, toxoids, or recombinant antigens. technologies aim to generate a broader immune responseAn immune response is the immune system's reaction to foreign substances (antigens), such as microorganisms or proteins. It involves a series of processes aimed at recognizing, fighting, and eliminating these antigens. and provide long-lasting protectionProtection refers to safeguarding against diseases or harm. In veterinary medicine, this can include protecting animals through vaccinations, the use of parasite control products, or providing a safe environment.. These developments could reduce the need for treatments and significantly improve the quality of life for cats.
Research on the historyThe medical history is the systematic collection of a patient's medical history through questioning. It includes information about previous illnesses, treatments, allergies, and lifestyle habits. of infections in cats is revealing more and more about the complex interactions between geneticsGenetics is the science of genes, heredity, and the variation of organisms. It studies how genetic information is passed from generation to generation and how it influences the development, appearance, and behavior of living things., environment, and the immune systemThe immune system is the body's defense system against infectious agents such as bacteria, viruses, fungi, and parasites. It comprises a complex network of organs, cells, and molecules that work together to protect the body.. These insights are crucial for developing better preventionPrevention includes measures taken to prevent diseases or injuries. In veterinary medicine, this includes vaccinations, parasite control, and health monitoring. strategies and treatments that help cats lead healthier lives.