October 7, 2025 - Stress is a common Hashimoto’s flare-up trigger for flare-ups and can make symptoms feel worse.

August 22, 2024 - ... A flare-up of an autoimmune ... These can include insufficient treatment of the condition, nutritional factors, inadequate sleep, stress, and exposure to certain chemicals, toxins, and infections....

February 27, 2025 - Autoimmune conditions like Hashimoto’s are often influenced by both genetic predisposition and environmental triggers. While some risk factors are beyond your control, there are lifestyle factors that can significantly contribute to flare-ups.

August 28, 2024 - Your lifestyle: Lack of sleep or insomnia, high levels of stress, as well as being too sedentary—or conversely—overtraining with high-intensity exercise are triggers for flare-ups.

February 3, 2023 - Levothyroxine is a synthetic version of the thyroid hormone. Sometimes factors like stress and other medications can affect the function of your thyroid or your levothyroxine absorption. This can cause your hypothyroidism symptoms to flare up.

October 22, 2025 - This impairs the thyroid's ability to produce hormones. Hashimoto’s is the most common cause of hypothyroidism in the United States. ... Several different things can interfere with your thyroid function or levothyroxine treatment and trigger a flare-up of Hashimoto’s disease, including:

December 20, 2025 - Hashimoto’s flare up triggers range from infections to nutrient deficiencies and many others. Find out what triggers flare ups here.

October 15, 2025 - We match solutions to your specific adrenal and thyroid patterns so you can restore energy without triggering more autoimmune symptoms. Hashimoto’s thyroiditis flare-ups often follow high-stress periods—holidays, family illness, job changes.

June 18, 2024 - Research has shown that a combination of genetics, stress and environmental factors contribute to the onset of a Hashimoto’s flare up · Different physical, environmental, and mental stressors can all trigger a Hashimoto’s flare up

September 16, 2025 - For many thyroid patients, the root cause of an inflammatory flare is linked to poor gut health in what’s known as the gut-thyroid connection [4]. Improving your gut health can calm inflammation, reduce symptoms of a Hashimoto’s flare up, and decrease thyroid autoimmunity [5, 6, 7, 8, 9, 10, 11, 12]. It may also be related to an imbalance of the female hormone estrogen (which can often be rooted in gut issues too).

June 15, 2022 - Many people see improvements when taking thyroid hormone replacement therapy and making changes to their diet; however, a Hashimoto’s disease flare-up could go undetected. Untreated, the condition could lead to severe complications, including: ... Myxedema coma is a severe and life-threatening hypothyroidism complication that can be triggered by a range of events, most commonly certain medications, infections, or exposure to low temperatures.

July 9, 2022 - If you struggle to fall asleep, stay asleep, or get low-quality sleep, your immune system will have a difficult time building up its forces. ... Bacterial infections can also stress the immune system, leading to Hashimoto’s exacerbations. ...

March 26, 2024 - While genetic and environmental factors play a role in the development of Hashimoto’s, emerging research suggests that certain infections may act as triggers or exacerbate the autoimmune response. Infections, whether viral or bacterial, can ...

March 3, 2025 - These are some common things that can trigger a Hashimoto’s flare. Increased life stress or decreased stress management practices ... Managing a flare up is often as simple as buckling down on what worked before. The first step is to identify what may have triggered the flare in the first place.

February 7, 2023 - Your Hashimoto’s flare-up symptoms are usually caused by one of four things: Medical reasons and gut health imbalances: GI pathogens such as the ulcer-producing H. pylori can trigger a flare-up, as can illnesses, infections, and hormonal ...

January 22, 2024 - Hashimoto’s disease is one of the 80 known autoimmune disorders. So it’s no surprise that Hashimoto’s flare-ups may be caused by the acute and/or chronic inflammation caused by the disease. Avoid exacerbating inflammation caused by Hashimoto’s attacks by avoiding inflammatory triggers.