Hyperthyroid Symptom Quiz
This hyperthyroid symptom quiz gives you a weighted score that combines your symptoms with the lab signals and risk factors that distinguish overt hyperthyroidism, subclinical hyperthyroidism, and thyroid hormone over-replacement.
Here’s how to use it:
Check every symptom you’ve had for the last 2 months, flag any risk factors that apply, add your lab results if you have them, and hit calculate. It’s that easy.
Note: This quiz is a screening tool, not a diagnosis. A confirmed diagnosis of hyperthyroidism requires lab confirmation. Untreated severe hyperthyroidism can be a medical emergency. If you’re experiencing severe symptoms (rapid or irregular heartbeat, chest pain, severe weakness, fever, or confusion), seek medical care immediately.
Cardiovascular & Metabolic
Mental & Cognitive
Digestive
Muscle & Breathing
Skin & Hair
Reproductive & Hormonal
Voice & Neck
Eye Signs
Risk Modifiers
Lab Results (if you have them)
Written and medically reviewed by Dr. Westin Childs, D.O. Last reviewed: April 24, 2026.
How to Use This Quiz
Step #1: Check the Symptoms That Apply to You
The quiz is organized by body system: cardiovascular and metabolic, mental and cognitive, digestive, muscle and breathing, skin and hair, reproductive, voice and neck, and eye signs. Go through each section and check every symptom you’ve had for at least 2 months.
Don’t over-check. A symptom that comes and goes occasionally, or that’s clearly tied to something else (caffeine, anxiety, perimenopause, a stimulant medication, hot weather), doesn’t count.
Skip anything you’re not sure about.
Step #2: Add Your Risk Factors and Lab Results
The risk modifiers section improves the accuracy of your results by assessing baseline risks. These include: being female and the age of 20 to 50, a family history of any thyroid disease, another autoimmune diagnosis, recent pregnancy or major stress/illness, and currently taking thyroid medication.
These matter because hyperthyroidism is 5 to 8 times more common in women, peaks at age 30 to 50 for Graves’ disease, clusters in families, and overlaps heavily with other autoimmune diseases[5].
You don’t need lab results to use his calculator, but if you have them, they carry significant weight, so be sure to check any that apply to you.
Step #3: Read Your Score and Follow the Next Step
Click “Calculate My Score”, and your total appears out of a possible 73 points. Your total places you into one of four tiers: Low Likelihood (0 to 9), Mild Pattern (10 to 19), Moderate Pattern (20 to 29), or Strong Pattern (30 and above).
The quiz also detects three special cases.
- A suppressed TSH or elevated Free T3/T4 auto-floors your tier to a strong likelihood (these labs are diagnostic of overt hyperthyroidism).
- A low but not suppressed TSH or positive Graves’ antibodies auto-floors to a moderate likelihood.
- And if you’re currently taking thyroid hormone medication and your TSH is low or suppressed, the result explains that you are likely taking too much thyroid medication.
Once you have lab results in hand, plug them into the Optimal Thyroid Lab Test Calculator to interpret them against optimal ranges, not just the standard reference range.
Understanding Your Results
Your Score
Your score is the sum of the weighted symptoms, risk modifiers, and lab results you checked. The maximum possible total is 73 points: 41 from 23 weighted symptoms, plus up to 32 from 9 modifiers (5 risk factors and 4 lab modifiers, with the two TSH options mutually exclusive).
Symptoms carry a weight of 1, 2, or 3 depending on how specifically they point to hyperthyroidism. The classic, highly specific signs (resting heart rate over 100, heat intolerance, unexplained weight loss, hand tremor, bulging eyes) count 3 points each. Moderately specific signs (palpitations, sweating, anxiety, frequent bowel movements, muscle weakness, neck swelling) count 2. Nonspecific signs (insomnia, mood swings, hair thinning) count 1.
The lab modifiers carry the most weight by design. A suppressed TSH or elevated Free T3/T4 alone (8 points each) is enough to trigger the Strong tier floor regardless of how many symptoms are checked.
Your Symptom Pattern Breakdown
Below your score, the quiz shows the three categories where your strongest symptom pattern sits. The cardiovascular and metabolic cluster (high heart rate, palpitations, heat intolerance, sweating, weight loss) is the most predictive section for hyperthyroidism. Strong scoring in mental/cognitive (anxiety, tremor, insomnia) is also high-yield.
If your modifier total is meaningful, it’s summarized separately. A high modifier total with low symptom score often signals subclinical hyperthyroidism, especially when the low-but-not-suppressed TSH item triggered the Moderate floor.
Your Risk Tier
The four tiers are calibrated conservatively. A Low score (0 to 9) means your symptoms aren’t strongly suggestive of hyperthyroidism. A Mild score (10 to 19) means some hyperthyroid signal worth checking with baseline labs. A Moderate score (20 to 29) means a clear pattern that warrants a full thyroid panel, including Graves’ antibodies. A Strong score (30 or higher) means prompt evaluation, not wait-and-see.
The lab floors override the base score. A suppressed TSH or an elevated Free T3 or Free T4 forces the Strong tier because those labs are diagnostic of hyperthyroidism by themselves[1]. A low but not suppressed TSH or positive Graves’ antibodies (TSI/TRAb) forces Moderate. And the iatrogenic detection (currently on thyroid medication plus low TSH) reframes the result around over-replacement instead of new-onset hyperthyroidism.
Your Recommended Next Step
The next step scales with your tier and any lab confirmation. A Low or Mild tier with no labs suggests requesting baseline TSH plus Free T3 and Free T4 if symptoms persist. A Moderate or Strong tier without lab confirmation calls for the full panel, including TSI and TRAb antibodies. Lab-confirmed overt hyperthyroidism (suppressed TSH or elevated Free T3/T4) calls for prompt endocrinology evaluation, including a thyroid uptake scan to identify the underlying cause.
If the iatrogenic detection triggers, the result points you to the Levothyroxine Dose Adjustment Calculator and a conversation with your prescriber about lowering the dose. That’s a different problem with a different fix.
Once you have any thyroid labs in hand, the Optimal Thyroid Lab Test Calculator tells you whether your numbers fall within optimal ranges, not just the standard reference range.
The Causes of Hyperthyroidism Compared
Hyperthyroidism isn’t a single disease. It’s a final common pathway that several different conditions can produce. The symptoms you experience are similar regardless of cause, but the lab pattern, treatment, and prognosis differ meaningfully[1][2]. Identifying the cause is the next step after lab confirmation, and the table below maps the most common ones.
| Cause | Share of Cases | Lab Pattern | Distinctive Features | Confirming Workup |
|---|---|---|---|---|
| Graves’ Disease | 70 to 80% | Suppressed TSH, elevated Free T3/T4, positive TSI or TRAb antibodies | Eye signs (bulging eyes, lid retraction), diffuse goiter, women age 20 to 50, family autoimmune history | TSI and TRAb antibody testing, thyroid uptake scan (high uptake) |
| Toxic Multinodular Goiter | 15 to 20% | Suppressed TSH, elevated Free T3/T4, antibodies usually negative | Older age (typically 50+), nodular goiter on exam or imaging, more gradual symptom onset | Thyroid ultrasound, thyroid uptake scan (patchy uptake) |
| Toxic Adenoma (Plummer’s Disease) | 3 to 5% | Suppressed TSH, elevated Free T3/T4, antibodies negative | Single hot nodule on scan, often a palpable lump in the neck | Thyroid ultrasound, thyroid uptake scan (single hot spot) |
| Thyroiditis (subacute, postpartum, silent) | 5 to 10% | Suppressed TSH, elevated Free T3/T4 (transient), antibodies often negative or transiently positive | Recent illness or pregnancy, neck pain (subacute), self-limiting course often followed by hypothyroid phase | Thyroid uptake scan (low uptake distinguishes from Graves’), CRP/ESR for subacute |
| Iatrogenic (Thyroid Hormone Over-Replacement) | Common in treated thyroid patients | Suppressed TSH, normal-to-elevated Free T3/T4, on prescribed thyroid hormone | Currently taking levothyroxine, NDT, T3, or other thyroid hormone medication | Lower the dose; recheck TSH in 6 to 8 weeks |
Graves’ disease is by far the most common cause and accounts for the majority of cases under age 50. The quiz handles Graves’ specifically through the antibody modifier and the eye-sign symptom item. If you suspect Graves’ specifically, the dedicated Graves’ Disease Symptom Quiz goes deeper into the autoimmune-specific tells.
Frequently Asked Questions
The early signs of hyperthyroidism are usually a combination of cardiovascular and metabolic changes that build over weeks to months. Heart palpitations or a resting pulse over 100 beats per minute, heat intolerance with sweating in cool environments, unexplained weight loss despite normal or increased eating, and a fine hand tremor are the most specific early tells[2].
Mental and cognitive changes are also common early. Anxiety, restlessness, or a “wired” feeling, plus difficulty sleeping despite feeling exhausted, get blamed on stress more often than they should. When that mental cluster appears with heat intolerance, weight loss, and a fast pulse, the probability of hyperthyroidism is high.
One sign that should always trigger a workup: visible swelling in the front of the neck (goiter) or bulging eyes, even subtle changes in eye appearance. Both point hard toward thyroid disease and especially toward Graves’ disease.
Hyperthyroidism is the body running too fast on too much thyroid hormone. Hypothyroidism is the body running too slow on too little. They are clinical opposites with opposite symptom patterns and opposite lab patterns.
The hyperthyroid pattern is heat intolerance, weight loss, fast heart rate, anxiety, tremor, frequent bowel movements, and lighter or skipped periods. Labs show suppressed TSH and elevated Free T3 or Free T4. The most common cause is Graves’ disease (autoimmune).
The hypothyroid pattern is cold intolerance, weight gain, slow heart rate, fatigue, brain fog, constipation, dry skin, and heavy or irregular periods. Labs show elevated TSH and low or normal Free T3 or Free T4. The most common cause is Hashimoto’s thyroiditis (also autoimmune). If you’re sorting between the two, take the Hypothyroid Symptom Quiz as the counterpart to this one.
Mostly no, but with two important exceptions.
True overt hyperthyroidism almost always shows a suppressed TSH on labs. TSH is the most sensitive marker we have for thyroid hormone excess. It drops first, well before Free T3 and Free T4 climb out of the normal range. So a “normal” TSH while symptomatic with classic hyperthyroid features makes hyperthyroidism unlikely as the cause.
The two exceptions worth knowing. First, very early hyperthyroidism can occasionally show a TSH at the very low end of normal (say 0.4 or 0.5) before it crosses the cutoff. If symptoms are convincing and the trend over time is downward, that pattern is meaningful even within the reference range. Second, central hyperthyroidism (a TSH-secreting pituitary tumor) is a rare condition where TSH is normal or even elevated despite high Free T3 and Free T4. Rare, but real. For more on the optimal-versus-reference-range issue generally, read my guide on optimal TSH levels for thyroid patients.
Subclinical hyperthyroidism is the lab pattern of a low TSH with Free T3 and Free T4 still in the normal range. The thyroid is producing more hormone than the pituitary wants, but not so much that the actual hormone levels have climbed out of normal yet[4].
Symptoms are often mild or absent, which is part of why the condition gets dismissed. But subclinical hyperthyroidism still matters clinically. It accelerates bone loss in postmenopausal women, raises atrial fibrillation risk meaningfully in adults over 65, and can be the earliest detectable phase of overt hyperthyroidism that’s about to develop.
The treat-versus-monitor decision depends on age, TSH degree (below 0.1 is treated more aggressively than 0.1 to 0.4), cardiovascular risk, bone density, symptom load, and whether antibodies are positive. The standard approach is to repeat TSH and free hormones in 3 to 6 months, add antibody testing to identify cause, and discuss treatment if the pattern persists or progresses. The quiz auto-floors any score with the low-but-not-suppressed TSH item to Moderate tier so this finding doesn’t get lost.
Graves’ disease is the autoimmune cause of hyperthyroidism. It accounts for 70 to 80 percent of all hyperthyroid cases[3]. Said simply: hyperthyroidism is the functional state (too much thyroid hormone), and Graves’ disease is the most common underlying disease that produces it.
The pattern is structurally identical to how Hashimoto’s relates to hypothyroidism. Both Graves’ and Hashimoto’s are autoimmune. Both have antibody tests that confirm them. Both run in families. The difference is which immune target is involved: in Graves’, antibodies stimulate the TSH receptor (TSI and TRAb), driving hormone production way up. In Hashimoto’s, antibodies target thyroid tissue itself (TPO and thyroglobulin), gradually destroying the gland.
The other 20 to 30 percent of hyperthyroidism is caused by toxic multinodular goiter, toxic adenoma, thyroiditis, or thyroid hormone over-replacement. Each behaves differently and requires different treatment. The cause table earlier on this page maps the differences. If you specifically suspect Graves’ (eye signs, family autoimmune history, recent severe symptom onset), the dedicated Graves’ Disease Symptom Quiz weights the autoimmune-specific tells more heavily.
Treated hyperthyroidism is generally safe. Untreated or undertreated hyperthyroidism can be dangerous, and severe untreated hyperthyroidism can rarely become a medical emergency.
The chronic risks of untreated hyperthyroidism are atrial fibrillation (especially in adults over 65), heart failure, accelerated bone loss leading to osteoporosis, muscle weakness, and significant unintentional weight loss[1]. Bone density drops measurably within months when TSH stays suppressed.
The acute risk is thyroid storm. This is a rare but life-threatening complication where untreated hyperthyroidism is pushed over the edge by a trigger (severe infection, surgery, trauma, childbirth, or stopping antithyroid medication abruptly). Symptoms of thyroid storm include very high fever, severe tachycardia or arrhythmia, agitation or confusion, vomiting, diarrhea, and altered consciousness. Anyone with these symptoms should go to the emergency room immediately. Mild hyperthyroidism does not progress to thyroid storm without a major trigger, but the possibility is the reason untreated hyperthyroidism is taken seriously.
Yes. Hyperthyroidism is a leading underdiagnosed cause of anxiety, restlessness, irritability, mood swings, and panic-like episodes. Excess thyroid hormone directly drives the central nervous system into a hyperaroused state and amplifies adrenaline-like signaling, which produces a physiology nearly indistinguishable from generalized anxiety disorder[2].
The pattern that should make a clinician (or you) think about hyperthyroidism instead of primary anxiety: anxiety that started suddenly without an obvious life trigger, anxiety paired with cardiovascular features (palpitations, fast pulse, chest awareness), anxiety with concurrent weight loss despite eating, and anxiety with heat intolerance and excessive sweating.
If your “anxiety” came with a fast pulse, weight loss, sweating, and fine tremor, it’s worth requesting TSH, Free T3, and Free T4 before assuming the diagnosis is psychiatric. Once treated, the anxiety usually improves dramatically as thyroid levels normalize, often within weeks of starting antithyroid medication.
References
- Ross DS, Burch HB, Cooper DS, et al. 2016 American Thyroid Association Guidelines for Diagnosis and Management of Hyperthyroidism and Other Causes of Thyrotoxicosis. Thyroid. 2016;26(10):1343-1421. View on PubMed
- De Leo S, Lee SY, Braverman LE. Hyperthyroidism. Lancet. 2016;388(10047):906-918. View on PubMed
- Smith TJ, Hegedüs L. Graves’ Disease. New England Journal of Medicine. 2016;375(16):1552-1565. View on PubMed
- Biondi B, Cooper DS. Subclinical Hyperthyroidism. New England Journal of Medicine. 2018;378(25):2411-2419. View on PubMed
- Vanderpump MP. The epidemiology of thyroid disease. British Medical Bulletin. 2011;99:39-51. View on PubMed