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Thalassemia: Causes, Symptoms, & Treatment Options
Thalassemia is the most common genetic blood disorder, where the production of hemoglobin is decreased, leading to anemia. Hemoglobin (Hb) is an iron-containing protein in the red blood cells, responsible for carrying oxygen to the body tissues and removing carbon dioxide from the lungs. It is made up of two proteins – alpha and beta. In thalassemia, the body is unable to produce enough of these proteins, affecting the development of red blood cells and resulting in anemia, which starts in childhood and continues throughout life.
Thalassemia is inherited, meaning at least one parent must be a carrier of the thalassemia gene. The severity of anemia can vary from mild to severe, depending on how many genes are damaged. The condition can cause significant health issues and needs regular treatment to manage complications related to reduced red blood cell production.
Types of Thalassemia
Thalassemia is a genetic blood disorder where the body has difficulty producing enough hemoglobin, leading to anemia. There are two main Thalassemia types based on which hemoglobin chain is affected:
Alpha Thalassemia
This happens due to mutations in the alpha-globin gene, which is responsible for producing the alpha-globin chain of hemoglobin. There are four alpha-globin genes, and the severity of the disease depends on how many of these genes are affected:
- Silent Carrier (1 gene affected): There are no visible symptoms, but the person is a carrier.
- Thalassemia Minor (2 genes affected): This is a mild form of anemia with Thalassemia minor symptoms that are usually very mild and don’t require treatment.
- Hemoglobin H Disease (3 genes affected): Causes moderate anemia, and sometimes requires blood transfusions.
- Alpha Thalassemia Major (4 genes affected): This is a severe condition, leading to life-threatening anemia that needs regular blood transfusions.
Beta Thalassemia
Caused by mutations in the beta-globin gene, affecting the production of the beta-globin chain of hemoglobin. The severity depends on the mutation in the genes:
- Thalassemia Minor (1 mutated gene): This leads to mild anemia with symptoms that are often unnoticed or very mild.
- Thalassemia Intermedia (both genes affected but less severe mutations): It causes moderate anemia and may require occasional blood transfusions.
- Thalassemia Major (Cooley’s Anemia) (both genes affected by severe mutations): This is a severe form of the disease, requiring regular blood transfusions, and can lead to organ damage if not treated properly.
In both types, the condition can cause complications like growth delays, bone deformities, and iron overload, especially in cases with frequent transfusions.
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Get Second OpinionWhat are the Symptoms of Thalassemia?
Anemia and other clinical symptoms are caused by the body manufacturing aberrant hemoglobin in thalassemia, a genetic blood condition. The type of thalassemia affects how severe the symptoms are. Symptoms and indicators could include:
- Fatigue and weakness: Due to a lack of healthy red blood cells.
- Paleness: Resulting from low hemoglobin levels.
- Jaundice: Yellowing of the skin and eyes due to liver involvement.
- Frequent infections: Weakened immune system because of fewer red blood cells.
- Slow growth in children: Affecting overall development.
- Bone deformities: Particularly in the face and skull due to bone marrow expansion.
- Abdominal swelling: Caused by the enlargement of the spleen or liver.
- Dark urine: Resulting from the breakdown of red blood cells.
- Fever: Starting low and gradually rising, possibly reaching 104.9°F (40.5°C).
If you do not receive proper therapy, severe complications may arise. These can include:
- Hallucinations: As a result of severe anemia or organ failure.
- Life-threatening issues: Problems become common at this stage. Some signs and symptoms may reappear up to two weeks after the fever has subsided.
The severity of these Thalassemia symptoms depends on whether it is alpha or beta thalassemia and whether it is of the major or minor type.
When to see a doctor?
When a person has early symptoms of Thalassemia such as high fever for more than 2 days, vomiting, diarrhea etc visit your doctor immediately. The signs and symptoms of Thalassemia should not be ignored. Seek emergency medical care.
What are the Causes of Thalassemia?
Thalassemia is a genetic blood disorder caused by mutations or deletions in the genes that are responsible for making hemoglobin. These changes in the genes result in the production of abnormal or insufficient hemoglobin, which reduces the ability of red blood cells to carry oxygen.
The causes of thalassemia are:
- Genetic Mutations: Because thalassemia is inherited in an autosomal recessive fashion, the kid cannot be afflicted unless both parents possess the faulty gene.
- Inherited Trait: If there is a family history of thalassemia, there is a higher risk of having children with this disorder.
- Alpha Thalassemia: Caused by mutations in the alpha-globin genes.
- Beta Thalassemia: Caused by mutations in the beta-globin genes.
Prevention of Thalassemia
Key Strategies
- Safe Water & Sanitation: Use clean drinking water and maintain hygiene.
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Vaccination:
- Single shot (at least 1 week before travel).
- Oral vaccine (4 capsules, one every other day).
- Boosters required; vaccines are not 100% effective.
Hygiene & Dietary Tips
- Wash Hands: Use soap and hot water, especially before eating or after using the restroom. Carry hand sanitizer.
- Avoid Unsafe Water: Drink bottled or canned beverages. Prefer carbonated water over non-carbonated.
- Skip Raw Foods: Avoid unpeelable fruits, raw vegetables, and salads.
- Fresh, Hot Meals: Choose freshly cooked meals; avoid street food.
Medication Guidelines
- Follow Antibiotics: Take as prescribed and complete the course.
- Avoid Handling Food: Don’t prepare food for others until medically cleared.
Diagnosis of Thalassemia
The diagnosis takes into account a number of variables, such as your symptoms, medical history, and particular testing. Thalassemia is usually diagnosed as follows:
- Travel and Health History: Your doctor may have a suspicion of thalassemia based on your symptoms, medical history, and any travel history. Traveling to regions where specific infections are prevalent may also aid in raising suspicions about the illness.
- Complete Blood Count (CBC): This test will show microcytic anemia, which means the red blood cells are smaller than normal.
- Hemoglobin Electrophoresis: This is the most important test to identify abnormal hemoglobin types and confirm thalassemia.
- Iron Studies: These help distinguish thalassemia from iron deficiency anemia.
- Culture of Bodily Fluids or Tissues: A sample of blood, stool, urine, or bone marrow is placed on a special medium to promote bacterial growth. Bone marrow culture is often the most sensitive for detecting thalassemia-related issues. This culture test is common, but other tests, such as identifying antibodies or thalassemia DNA in your blood, may also be used.
- Genetic Testing: DNA tests help confirm thalassemia by detecting mutations in genes like HBA1, HBA2 (for alpha-thalassemia), and HBB (for beta-thalassemia).
For a precise diagnosis and proper management, it’s best to consult a thalassemia specialist. Early detection is crucial, as it helps in managing symptoms effectively with treatments like blood transfusions and iron chelation therapy.
What are the Treatment Options for Thalassemia?
Thalassemia is a blood disorder where the body cannot produce enough hemoglobin. The treatment options for Thalassemia depend on its type and severity.
- Blood Transfusions: Regular blood transfusions are essential, especially for severe cases like thalassemia major, to maintain healthy hemoglobin levels.
- Iron Chelation Therapy: Frequent blood transfusions can result in excess iron within the body, therefore iron chelation therapy is implemented to eliminate this and prevent complications as a result.
- Bone Marrow or Stem Cell Transplant: Bone marrow or stem cell transplant may provide a chance of a cure, but carries significant risks and requires an appropriate donor.
- Gene Therapy: This is an emerging treatment for thalassemia. It aims to correct the defective gene causing the condition. Though still experimental, it shows promise in clinical trials.
- Folic Acid Supplements: Folic acid is often prescribed to support the production of red blood cells.
- Splenectomy: In cases where the spleen enlarges due to increased breakdown of red blood cells, removal of the spleen ( splenectomy) may be recommended.
These are some of the main Thalassemia treatment options that help manage symptoms and improve the quality of life for patients.
Lifestyle changes and self-care
Follow some lifestyle changes and home remedies to manage Thalassemia -
- Eat freshly cooked food.
- Ask your doctor about what to eat and what to avoid.
- Drink a lot of water and fruit juices to stay hydrated.
- Drink boil water.
- Avoid outside food, undercooked food or oily food.
- Keep your surroundings clean.
- Take your medicines at proper time.
Do's and Don’ts for Thalassemia
To prevent Thalassemia one has to follow certain sets of do’s and don’ts. Follow these tips -
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Care at Medicover Hospitals
At Medicover Hospitals, we have the most trusted team of doctors and medical experts who are experienced in providing excellent healthcare services to our patients. Our dedicated team of experts, trained nurses and other paramedical staff offer the best care to a patient. We make use of advanced medical technology and state-of-the-art facilities for the diagnosis of conditions and treatment of health disorders. For the treatment of Thalassemia, we have an experinced team of doctors who diagnose and treat this condition with utmost precision that brings successful treatment outcomes.
Citations
https://www.nejm.org/doi/pdf/10.1056/NEJM197010012831406 https://www.jstor.org/stable/4453843 https://www.sciencedirect.com/science/article/abs/pii/S0140673605671814Still have questions? Speak with our experts now!
040-68334455Frequently Asked Questions
Can you live a long life with thalassemia?
Yes, with proper treatment such as blood transfusions and iron chelation therapy, individuals with thalassemia can live long and healthy lives.
At what age is thalassemia detected?
Thalassemia is typically detected in infancy or early childhood through blood tests and screening.
Can a thalassemia carrier donate blood?
Yes, a thalassemia carrier can donate blood, but they should be assessed for overall health and iron levels before donating.
Does thalassemia affect periods?
Thalassemia can lead to iron overload and anemia, which may affect menstrual cycles, making them irregular or causing heavier bleeding.
Can I get pregnant with thalassemia?
Yes, women with thalassemia can get pregnant, but they need to manage their condition with medical supervision to ensure a healthy pregnancy.
Which organ is most affected in thalassemia?
The spleen is most commonly affected in thalassemia, often becoming enlarged due to increased red blood cell breakdown.
What foods are not good for thalassemia?
Foods rich in iron, such as red meat, liver, and iron-fortified cereals, should be avoided for individuals with thalassemia to prevent iron overload.
How long do thalassemia patients live?
With proper treatment and care, individuals with thalassemia can live into their 50s or longer, though life expectancy may vary depending on the severity of the condition.
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