After your bone marrow transplant, your immune system is weak and you are at risk for infection. Even though your white blood cell count might be "normal," your immune system is still recovering. Therefore, infections might still occur.
The usual causes of infection after a bone marrow transplant include:
* These are more common after allogeneic bone marrow transplants than autologous BMTs, particularly in patients with graft-versus-host-disease (GvHD).
One of the easiest and most important ways to detect signs of infection is to take your temperature. You should take and record your temperature twice a day.
These restrictions are important for autologous patients for the first month after transplant to prevent infections. These restrictions are important to prevent infections while allogeneic patients are taking immunosuppressive medicines and while you still have central lines.
Allogeneic patients should continue to take their temperature twice a day until all of their immunosuppressive medicines have been discontinued by their health care provider.
Avoiding environmental exposures:
This is necessary to help prevent infection. You may shower or bathe normally, as long as you don't submerge your central venous catheter under water. Daily cleansing with soap and water is the first line of defense against bacteria on the skin.
To help minimize infection and gum bleeding, daily oral (mouth) care is necessary. After you are discharged from the hospital, you may use a soft, nylon-bristled toothbrush or sponge toothette to care for your teeth and gums. Brush your teeth and gums thoroughly with fluoride toothpaste after each meal. Use a mouth wash or rinse as recommended by your health care provider.
Thorough hand washing is crucial, especially during the first 6 months after your BMT or while taking immunosuppressive medicines. Wash your hands with antimicrobial (antibacterial) soap and warm water.
The use of hygienic hand rubs (hand sanitizer) is recommended when you are outside your home, if soap and warm water are not available. (Keep in mind that these hand sanitizers do not prevent gastrointestinal bacterial infections, such as C diff.)
Handwashing is necessary:
Avoid gardening, mulching, raking, mowing, farming, or direct contact with soil and plants. Creating plant or soil aerosols increases exposure to potential pathogens (substances that can cause disease) including aspergillus and cryptococcus.
This does not mean you should avoid the outdoors. Walking, biking, and many other outdoor activities are not only enjoyable, but will promote good health.
It is not necessary to part with your pets. However, it is important to minimize direct contact with animals, especially animals that are ill. Please delegate the care of your pets to other family members or friends.
It is recommended to avoid contact with reptiles, ducklings, or chicks to prevent salmonella.
If you have a cat, do not place the litter box in kitchens, dining rooms, or other areas where food preparation and eating occur. In addition, have someone else handle the daily litter box cleaning during the first 6 months after transplant and when you are taking immunosuppressive medicines to reduce your risk of acquiring toxoplasmosis. Please keep your cats inside and do not adopt or handle stray cats.
After your transplant, avoid walking, wading, swimming, or playing in recreational water such as ponds, swimming pools, lakes, whirlpools, and hot tubs.
After your transplant, avoid walking, wading, swimming, or playing in recreational water such as ponds, swimming pools, lakes, whirlpools, and hot tubs. Avoid drinking well water from private wells or from public wells in small communities because tests for microbial contamination are performed too infrequently. Drinking well water from municipal wells serving highly populated areas is thought to be safe because the water is tested > 2 times/day for bacterial contamination.
If you drink tap water, routinely monitor the mass media (radio, television, and newspapers) in your area to immediately implement any boil-water advisory. A boil-water advisory means that all tap water should be boiled for at least 1 minute before drinking.
You may consume bottled water if it has been processed to remove cryptosporidium by 1 of 3 processes: reverse osmosis, distillation, or 1-µm particulate absolute filtration. You can contact the bottler directly to confirm that a specific bottled water has undergone one of these processes.
Please do not plan to travel to developing countries without first talking to your bone marrow transplant doctor. Certain countries can pose significant risks for exposure to substances, such as viruses or microorganisms, that can cause disease or infection.
It is beneficial for family members and household contacts to be vaccinated to minimize exposure to vaccine-preventable diseases (such as tetanus, polio, measles, mumps, rubella, influenza, and pneumococcal.) Recommendations for a possible revaccination schedule are included in this handout and is needed only for allogeneic transplant patients.
Children in the household of an immunocompromised patient should receive the MMR (measles, mumps, and rubella) vaccine. Although MMR is a live vaccine, household transmission does not occur. The varicella (chicken pox) vaccine is also a live vaccine. The American Academy of Pediatrics recommends that the child in the household receive the vaccine.
The varicella (chicken pox) vaccine poses a very small risk of household transmission, usually only if the vaccinated child develops a rash. If the vaccinated child develops a rash, the transplant patient might be placed on acyclovir if he or she is not already taking it. It would be much riskier for the transplant patient if the child got the actual chicken pox virus.
Watch for early signs of infection. It is very important to notify the Bone Marrow Transplant Team or your local doctor if any of these signs or symptoms of infection occur:
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