Some common side effects of HDAC inhibitors include: Fatigue and weakness, Nausea and vomiting, Diarrhea or constipation, Loss of appetite and weight loss, Low blood cell counts (anemia, thrombocytopenia, leukopenia), Increased risk of infection, Headaches, Skin rash or itching, Increased risk of bleeding, Electrolyte imbalances, Cardiac arrhythmias, Liver toxicity… Read More »