Most Common Effects

• The most common side effects associated with rapamycin include nausea, diarrhea, acne, dizziness and insomnia.
  
  

Immunizations

• Because rapamycin decreases immunity, patients taking it should not get any immunizations, and they should avoid people who recently have received a polio vaccine.
  
  

Infections

• These patients also should avoid people with a contagious infection of any sort, including colds or flu. If this is not possible, the patient can wear a protective face mask. He should contact a doctor quickly if he develops signs of an infection.
  
  

Cancer

• Rapamycin can increase the risk of developing lymphoma or skin cancer. Patients should be watchful for unusual lumps, swollen glands or unexplained weight loss.
  
  

Kidney Problems

• People taking rapamycin also can develop kidney problems. Signs include changes in frequency of urination or color of urine, blood in your urine, or difficulty urinating.