The negative effects of immunotherapy can be quite severe so it’s important to inform your physician as soon as you experience any abnormal symptoms such as new onset diarrhea, a new rash, or abdominal pain. Other adverse symptoms may include pancreatitis, colitis, pneumonitis, hepatitis, and thyroiditis.
The symptoms may occur more commonly and be more severe if you take a combined treatment of two medicines. In certain cases where symptoms are especially severe, your treatment may have to be stopped.
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