What is Comorbidity? – Types, treatment and COVID-19

Comorbidity refers to the presence of two or more diseases or conditions at the same time or sequentially. Other comorbid terms include co-occurring conditions, co-existing conditions, or multiple chronic conditions.

Comorbidities are non-communicable diseases that are responsible for about two-thirds of all deaths worldwide. This equates to nearly 36 million deaths per year. High blood pressure, diabetes, cardiovascular disease, arthritis, stroke, and malignant disease are all examples of comorbidities.

What is comorbidity and its relationship to COVID-19 patients?

Comorbidity is defined as the presence of two or more conditions in a person, either simultaneously or sequentially (one condition occurring immediately after the other). Individuals with pre-existing comorbidities are at significantly higher risk for COVID-19 complications. However, to develop effective prevention and treatment interventions, a better understanding of the underlying molecular mechanisms is required.

Based on a recent study conducted by a comprehensive clinical medicine, COVID-19 may be more severe in people with co-morbidities and may lead to death in some cases. Acute respiratory distress syndrome and pneumonia are common lung conditions found in patients with hypertension, chronic lung disease, diabetes and cardiovascular disease.

Two or more medical conditions manifesting in a patient indicate that he/she should be hospitalized immediately. Compromised immune deficiency is a condition in which the patient’s ability to fight disease is impaired or absent. This condition increases stress and anxiety, especially when a patient’s immune system begins to rebuild itself, which can also be considered a sign of comorbidity.

Comorbidity may be related to the following factors:

  1. Poor health outcomes
  2. Complex clinical management
  3. Increased costs

What are the different types of comorbidities?

Comorbidities are common in the following diseases:


Obesity is a complicated condition characterized by excess body fat. According to the Obesity Medicine Association, obesity is linked to about 236 medical conditions (including 13 cancers).

diabetes mellitus

The following are some of the most common diabetes-related comorbidities:

What are the symptoms of comorbidities?

The symptoms of comorbidity include:

When should you see a doctor?

It is critical to seek medical attention when you have several comorbid conditions and you are also diagnosed with Covid-19, which can present itself as:

Dry cough and fever


Pain and pain

Conjunctivitis, sore throat, diarrhoea


Loss of smell and taste

A skin rash or discoloration of the toes or fingers

shortness of breath

Speech or movement disorder

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What Causes Comorbidity?

Comorbidity occurs when two conditions share or overlap risk factors. These causes are divided into three types:

  1. One disorder causes the onset of a second disorder

Example: Continuous alcohol consumption can cause cirrhosis of the liver.

  • Indirect effects of one disorder result in the onset of another disorder

Example: Heart disease can develop from the stress associated with lifestyle changes.

Example: Traumatic life events leading to both comorbid anxiety and mood disorders.

How do you prevent co-morbidity along with COVID-19?

If you have comorbidities, you should be careful and avoid being affected by COVID-19.

The methods below can help you avoid getting infected with the COVID virus.

  • Stay inside: The coronavirus spreads through droplets. It is therefore recommended to stay indoors as much as possible to avoid contamination.
  • Disinfect public areas: The coronavirus can live on solids for 3-8 days. Regularly clean common contact points such as doorknobs, door handles, and cars to avoid catching the infection.
  • Boost your immunity: The Coronavirus mainly affects people with lower immunity. Maintaining consistent immunity levels is the best method of fighting the disease.

A note from Apollo Hospitals

Comorbidity is associated with poor health outcomes, difficult clinical management and higher medical costs. To effectively reduce and manage the risks associated with comorbidities. It is highly recommended to have a full body checkup periodically to look for any signs or indicators of comorbid conditions.

Frequently Asked Questions

  1. What is the definition of a foreclosure strategy?

Shielding is a practice that helps people at high risk of serious illness from Covid-19 live safely and separately from the rest of the population. It limits the interaction between people who are at high risk of developing serious diseases and members of the general public who are at reduced risk. Foreclosure can occur at virtually any level of a community, including the household, street or block, community, or neighborhood.

  • Is COVID-19 also an additional risk for comorbid children?

Children with co-morbidities are prone to developing severe COVID-19 symptoms and may find themselves in life-threatening situations. Therefore, children with comorbid conditions should take extra precautions to protect against COVID infections.

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