Chronic hyperthyroidism is associated with heart rhythm disturbances such as atrial fibrillation, changes to the heart muscle, and heart failure
doi: 10.1016/j.redox.2024.103066 245 ZhangQ.WangD.ZhangM.ZhaoY.YuZ
Keywords hepatocellular hypertrophy, liver toxicity, hepatocellular hyperplasia, liver carcinogenesis, xenobiotic enzyme inducers, P450
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Short-term effects (first 12 weeks) Injection-site irritation : redness, itching, or swelling Headaches or nausea : usually mild and temporary Fatigue or drowsiness : some people feel extra tired at the start Water retention or bloating : often resolves as your body adjusts Occasional but less common effects Joint stiffness or aches Tingling or numbness (paresthesia, often in the hands or feet) Increased appetite These usually fade as your body adapts, but if they linger, its worth checking in with your provider