Home Blog Questions about the COVID-19 Vaccine? We’ve Got Answers. Questions about the COVID-19 Vaccine? We’ve Got Answers. March 11, 2021 • By Fight CRC Resources and Research Blog Your COVID-19 Vaccine Questions Answered With new information released daily about COVID-19 and the COVID-19 vaccine, it’s difficult to know who to listen to and what everything means for the colorectal cancer community. Dr. Swati Patel, Gastroenterologist, and Dr. Chris Lieu, Oncologist, both with the University of Colorado Anschutz Medical Center, answered the colorectal cancer community’s top questions to help patients and their care partners better navigate life in and out of treatment and ensure safety remains the top priority. Can I have a vaccine before/after my colonoscopy? Dr. Patel: You can safely have your vaccine before or after your colonoscopy, however you may develop symptoms from the vaccine that could make preparing for or completing the procedure more difficult to tolerate. For example, some patients have fatigue or nausea from the COVID vaccine. You can imagine that these symptoms would make it difficult to complete the colonoscopy bowel preparation. It is hard to predict whether you will have symptoms from the vaccine, thus, I suggest scheduling the colonoscopy at least 2 days after your vaccine. This should provide you enough time to fully recover from the vaccine side effects before you have to begin preparing for your colonoscopy. Is there any difference between my 1st and 2nd dose and recommendations about when to have a colonoscopy? Dr. Patel: Patients appear to have more side effects with the 2nd dose of the vaccine, however I recommend the same precautions above for both 1st and 2nd dose. Can I have a colonoscopy and a vaccine on the same day? Dr. Patel: Yes, the colonoscopy and vaccine can be completed on the same day. there is no data that the standard medications used for colonoscopy sedation affect the vaccine in any way. If I have a flu shot-can I get a vaccine at about the same time frame? Dr. Patel: COVID-19 vaccines should be given alone with at least 14 days either before or after you get any other vaccines, including a flu vaccine. This is because there is currently limited information on the safety and effectiveness of getting other vaccines at the same time as a COVID-19 vaccine. As more information becomes available, this recommendation may change. Your healthcare provider can help you decide the best vaccination schedule for you and your family. Should I avoid getting a vaccine if I am receiving chemotherapy? Is there a specific recommendation about immunotherapy? Dr. Lieu: No, unless undergoing a stem cell transplant, the National Comprehensive Cancer Network (NCCN) and the American Society of Clinical Oncology (ASCO) recommend receiving the vaccine. Is it ok to have a vaccine while I am having radiation? Dr. Lieu: Yes, it is safe to receive the vaccine while undergoing radiation therapy. Is there any reason I should not receive the vaccination as a colorectal cancer patient in treatment? What about if I am in maintenance therapy? Dr. Lieu: It’s safe to receive the vaccine in active treatment, in maintenance therapy, and after completing treatment. I am just diagnosed and getting ready to start treatment, should I try to get a vaccine before I start any treatment? Dr. Lieu: Yes if possible, but it’s also okay to receive the vaccine during treatment too. If I have had a primary colorectal cancer diagnosis, but metastasis to the lung, am I at increased risk of COVID-19? Dr. Lieu: There is some conflicting data, but many believe that there is a slight increase in risk of complications with COVID-19 due to the underlying diagnosis of cancer. I have a compromised immune system, is the vaccine safe for me? Dr. Lieu: Yes, so far studies have shown no adverse impact for those with a compromised immune system. Is the vaccine free or will I need insurance to access? Dr. Lieu: At this time, it appears that the vaccine is being given free of charge. Can I use ibuprofen or Tylenol post vaccine to help with body aches and pain? Dr. Lieu: There have been some recommendations to avoid the use of these drugs, but practically speaking, I am not aware of any data that actually shows decreased immunity with these drugs. So from my standpoint it is okay. More Information On March 8, 2021, the Centers for Disease Control (CDC) released highly anticipated guidelines for those who have received both doses of the vaccine. These recommendations apply to those who have been fully vaccinated for two weeks or more. According to the CDC, people are considered fully vaccinated for COVID-19 more than two weeks after they have received the second dose in a two-dose series (Pfizer-BioNTech or Moderna) or two weeks after receiving a single-dose vaccine (Johnson and Johnson). For the general population, those who are fully vaccinated can: Visit with other fully vaccinated people indoors without wearing masks or physical distancingVisit with unvaccinated people from a single household who are at low risk for severe COVID-19 disease indoors without wearing masks or physical distancingRefrain from quarantine and testing following a known exposure if asymptomatic For now, the CDC encourages fully vaccinated people to continue: Take precautions in public like wearing a well-fitted mask and physical distancingWear masks, practice physical distancing, and adhere to other prevention measures when visiting with unvaccinated people who are at increased risk for severe COVID-19 disease or who have an unvaccinated household member who is at increased risk for severe COVID-19 diseaseWear masks, maintain physical distance, and practice other prevention measures when visiting with unvaccinated people from multiple householdsAvoid medium- and large-sized in-person gatheringsGet tested if experiencing COVID-19 symptomsFollow guidance issued by individual employersFollow CDC and health department travel requirements and recommendations For more information on COVID-19 and colorectal cancer, including resources to navigate these challenging times, be sure to check out Fight CRC’s additional resources here. 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