Doctor insights on:
Why Does Radiation Treatment Cause Fatigue
Absolutely: Therapeutic radiation famously causes certain sarcomas. After chernobyl, the worst was thyroid cancers that were thankfully mostly manageable. After hiroshima / nagasaki, there was a lot of leukemia, some increase in breast and other cancers. Home radon ; lung cancer is complicated and politicized. I believe the risk from worthwhile diagnostic x-rays is far lower than some scare-stories. ...Read more
Chemo side effects: Not all chemotherapy causes nausea and vomiting. Those that do , do via stimulation of the vomiting center in the brain. We fortunately have drugs capable of protecting that area and preventing vomiting but to be effective in preventing nausea/vomiting, must be given at least 30 minutes before one receives chemotherapy. ...Read more
It's a toxin: The brain has an area that triggers nausea and vomiting if something toxic gets in the body. This is what prevented early humans from dying after eating poisonous berries! chemotherapy triggers the same area of the brain, and the body tries to protect itself by vomiting. New anti-nausea drugs are so effective because they target the "vomit center" in the brain. ...Read moreSee 1 more doctor answer
How long does the nausea side effect from radiation treatment for lung cancer last? how do you tell if nausea is caused by radiation or tarceva (erlotinib)?
Not from radiation: Most lung cancer treated with radiation does not cause nausea unless the fields are large and on the left bottom part of the lung overlaps the stomach. Chemo is systemic and more likely the cause of the nausea. Lung cancer can easily go to the brain and the presenting sign can be nausea so make sure a brain scan was negative. ...Read moreSee 2 more doctor answers
Damaging DNA: Radiation damages DNA. For muscle, bone, or other long-lived cells, the cell may ignore the damage unless it is critical. For cells that are short lived or rapidly-dividing, like immune cells, the cell senses the damage and either commits cell-suicide or stops all its functions. Thus radiation prevents immune cell activation plus the production of new immune cells. Ask your doctor for more info. ...Read more
Chronic diverticular: Infection can cause decreased energy and stamina in that your body is using all its reserves to control the infection. Many folks after surgery for chronic recurrent diverticulitis say with in a day or two of surgery that they already notice their energy level is better than it has been in years. ...Read moreSee 1 more doctor answer
Yes: Since radiation affects both normal and cancerous cells, if your GI tract or brain are in the path of the radiation beam, there is a good chance that nausea will develop. We have excellent drugs to prevent chemotherapy or radiation therapy induced nausea, however. ...Read moreSee 3 more doctor answers
Can peripheral neuropathy cause chest pain? What is treatmt when all else fails? Or what causes CNS inflammation?
Shock therapy: Many years ago, they observed that epileptic patients had a lower incidence of depression.In an era with no workable medicines, they tried shock therapy:using electrical shoch to trigger seizures, as treatment. After a certain number of treatments the patient sometimes showed improvement. ...Read more
Cell turn over: Lactate dehydrogenase (LDH) is an enzyme that is in all our cells. Rapid cell turnover (a combination of proliferation and death) within lymphomas makes the LDH levels rise in the serum. LDH may also rise briefly after effective therapy, as the tumor cells lyse and release LDH. It should then fall as the number of tumor cells goes down. ...Read more
?lamictal: Lamictal or lamotrigine is a very valuable drug for epilepsy and psychiatric applications, and typically has rather few adverse effects other than an occasional risk of a severe skin reaction in sensitive folks. It would be very unusual that Lamictal would promote muscle pain. Look for another cause. ...Read more
Does early anorexia cause weakness and lightheadeness? What other physical symptoms does it cause? Do the symptoms ease later on?
Anorexia-dangerous: It can be life-threatening. Anorexics often have problems with electrolyte balance which can have critical effects on the heart. Imbalance of fluids/nutrition, muscle wasting, toxic metabolites, not a healthy state of mind or body. The human body needs an optimal amount of hydration, nutrition, energy, & activity. Too much or too little is not a state of health, but rather a dangerous game. ...Read more
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