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A 25-year-old member asked:

Is it possible to be hyperthyroid with hypothyroid symptoms?

5 doctor answers8 doctors weighed in
Dr. Cayce Jehaimi
Pediatric Endocrinology 21 years experience
Possible: This is not a common observation, nonetheless, it has been described in the literature. Essentially what is happening is that there is an initial transient elevation of thyroid hormone levels due to autoimmune thyroid destruction followed by drop in thyroid production. In medical terms, this phenomenon is called "hashitoxicosis".
Dr. Su Fairchild
Integrative Medicine 24 years experience
Yes: Especially if you have autoimmune thyroid problems this may happen.
Dr. Quang Nguyen
Specializes in Endocrinology
Yes: Thyroid symptoms are overlapping and non-specific. A lot of other medical problems can also cause similar symptoms. That's why it's important to be thoroughly evaluated by a physician (history/physical exam/labs/possible imaging) rather than focusing only on symptoms.
Dr. Michael Rothman
Internal Medicine 35 years experience
Autoimmune thyroid?: Some people have autoimmune thryoid & they may oscillate between symptoms of both low & high thyroid levels. You need to have your levels checked by your doc. Check tsh, free t3&t4, total t3&t4, tpo antibodies, tg antibodies.
Dr. Susan Wingo
Endocrinology 33 years experience
Yes.: While some symptoms of hypothyroidism are the opposite of hyperthyroidism, some are the same! Both hypo and hyperthyroidism can cause fatigue, weight gain, and poor concentration. Or the symptoms could be unrelated to the thyroid. See your doctor to find out what caused the hyperthyroidism, make a plan for treating it, and then, if symptoms are still present, finding what else might be going on.

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Similar questions

A 37-year-old member asked:

What to do if I have hypothyroidism. is it possible my daugher could have hyperthyroidism?

1 doctor answer4 doctors weighed in
Dr. Susan Wingo
Endocrinology 33 years experience
Yes: Most thyroid problems are caused by autoimmunity, where one's immune system misclassifies their own proteins as foreign, and makes antibodies against them. Autoimmunity can cause a variety of thyroid problems including hypothyroidism (low), hyperthyroidism(high), goiter(big thyroid), & nodules(lumps). Autoimmunity does run in families, but can cause different problems in different family members.
A 31-year-old member asked:

Is it possible to have both hyperthyroid and hypothyroid?

1 doctor answer2 doctors weighed in
Dr. Vered Lewy-Weiss
A Verified Doctoranswered
A US doctor answeredLearn more
Not at same time: Hashimoto's thyroiditis can start out with hyperthyroidism and end with hypothyroidism. With grave's disease antibodies can be activating and blocking. Usually activating is more prevalent.
A 35-year-old member asked:

Might someone have hypothyroidism but having hyperthyroidism symptoms?

1 doctor answer1 doctor weighed in
Dr. Frederick Singer
Endocrinology 58 years experience
Unlikely.: To diagnose a thyroid problem symptoms can be suggestive but blood tests are needed to make a diagnosis.

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Last updated Sep 9, 2018

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