Thyroid Compensation Loop

What It Is

The thyroid compensation loop is a hormonal adaptation pattern where the thyroid gland attempts to compensate for declining reproductive hormones (estrogen, progesterone) during perimenopause and menopause. This isn't a recognized medical diagnosis—it's a functional pattern observed by integrative and functional medicine practitioners when women's thyroid function begins to struggle during the menopausal transition.

What makes this pattern distinct:

• Thyroid labs may appear "normal" (TSH within standard reference range)
• But free T3 (active thyroid hormone) is often suboptimal → lower end of normal or below normal
• Symptoms overlap with menopause → fatigue, weight gain, brain fog, hair loss, mood changes, cold intolerance
• Thyroid issues that were subclinical become overt → previously well-compensated thyroid dysfunction surfaces during perimenopause
• The thyroid is working harder but less efficiently → trying to maintain metabolic function as estrogen/progesterone decline

How the thyroid normally works:

The thyroid produces hormones that regulate metabolism, energy production, body temperature, heart rate, digestion, brain function, and virtually every cell in the body.

The thyroid feedback loop:

1. Hypothalamus (brain) releases TRH (thyrotropin-releasing hormone)
2. Pituitary gland (brain) releases TSH (thyroid-stimulating hormone)
3. Thyroid gland (neck) produces T4 (thyroxine, inactive form) and small amounts of T3 (triiodothyronine, active form)
4. T4 is converted to T3 in the liver, gut, and peripheral tissues → T3 is the hormone that actually activates cells
5. T3 binds to receptors in cells → regulates gene expression, metabolism, energy production
6. High T3/T4 signals back to brain: "We have enough thyroid hormone, reduce TSH/TRH"
7. Low T3/T4 signals: "We need more, increase TSH/TRH"

In a healthy system, this loop maintains stable thyroid function.

What happens in the thyroid compensation loop:

During perimenopause/menopause, multiple factors stress the thyroid:

1. Estrogen decline affects thyroid function:

   • Estrogen supports thyroid hormone production and receptor sensitivity
   • Estrogen regulates thyroid-binding proteins → affects how much thyroid hormone is "free" (active) vs. "bound" (inactive)
   • When estrogen fluctuates or declines, thyroid function becomes less efficient

2. Increased metabolic demand:

   • The body is adapting to major hormonal shifts → requires more cellular energy
   • Stress response is heightened → cortisol levels often elevated → cortisol can impair thyroid function

3. Thyroid tries to compensate:

   • Thyroid works harder to maintain metabolic function
   • But conversion of T4 to T3 may be impaired (due to stress, inflammation, nutrient deficiencies, liver dysfunction)
   • Result: TSH may be normal or slightly elevated, T4 may be normal, but free T3 is low → cells don't get enough active thyroid hormone

4. Symptoms intensify:

   • Fatigue, weight gain, brain fog, hair loss, cold intolerance, constipation, mood changes
   • These symptoms overlap with menopause symptoms → thyroid dysfunction is often missed

Why this matters:

Many women are told their thyroid is "fine" because TSH is within normal range (typically 0.5-4.5 or 0.5-5.0 mIU/L, depending on lab). But optimal thyroid function requires more than normal TSH—it requires adequate free T3, efficient conversion of T4 to T3, and healthy thyroid receptor sensitivity.

The compensation loop can lead to:

• Subclinical hypothyroidism becoming overt → TSH rises above normal range
• Hashimoto's thyroiditis (autoimmune thyroid) surfacing → previously dormant autoimmune condition becomes active
• Chronic fatigue, weight gain, mood issues → blamed on menopause, but thyroid optimization could help significantly

Why It Matters During Perimenopause/Menopause

Thyroid dysfunction and perimenopause/menopause create a symptom overlap that makes diagnosis challenging—and leaves many women suffering unnecessarily.

Overlapping symptoms:

Symptom	Menopause	Hypothyroid
Fatigue	✓	✓
Weight gain	✓	✓
Brain fog	✓	✓
Hair loss	✓	✓
Mood changes (depression, anxiety)	✓	✓
Sleep disruption	✓	✓
Muscle/joint pain	✓	✓
Dry skin	✓	✓
Low libido	✓	✓
Cold intolerance	Less common	✓
Constipation	Less common	✓
Outer third eyebrow thinning	Rare	✓
Slow heart rate	Rare	✓

Because symptoms overlap, thyroid dysfunction is often:

• Attributed solely to menopause → women are told "this is just menopause, it's normal"
• Missed in standard screening → TSH is checked, found to be "normal," and thyroid is dismissed as a cause
• Undertreated → even when diagnosed, women are often started on T4-only medication (levothyroxine), which doesn't address T3 deficiency or conversion issues

Why the thyroid becomes vulnerable during perimenopause:

1. Estrogen's role in thyroid function:

   • Estrogen affects thyroid-binding globulin (TBG) → when estrogen fluctuates, TBG levels change → affects free vs. bound thyroid hormone
   • Estrogen supports thyroid receptor sensitivity → when estrogen declines, cells may respond less efficiently to thyroid hormone
   • Estrogen has anti-inflammatory effects → when it declines, inflammation increases → inflammation impairs thyroid function and T4-to-T3 conversion

2. Stress and cortisol:

   • Perimenopause is often a high-stress life stage (caregiving, career demands, relationship shifts, sleep deprivation)
   • Chronic stress elevates cortisol → cortisol impairs T4-to-T3 conversion, reduces thyroid receptor sensitivity, promotes reverse T3 (inactive form)
   • Cortisol and reproductive hormones share precursors → "pregnenolone steal" (body prioritizes cortisol over other hormones)

3. Autoimmune activation:

   • Hashimoto's thyroiditis (autoimmune hypothyroidism) is the most common cause of hypothyroidism
   • Autoimmune conditions often surface or worsen during hormonal transitions (puberty, pregnancy, perimenopause)
   • Estrogen has immune-modulating effects → when it fluctuates, immune dysregulation can occur → autoimmune flares

4. Nutrient deficiencies:

   • Thyroid function requires iodine, selenium, zinc, iron, vitamin D, B vitamins
   • Perimenopause often coincides with:
     • Heavy periods → iron deficiency
     • Poor gut absorption (due to stress, aging, gut dysbiosis) → nutrient deficiencies
     • Dietary changes (restrictions, dieting) → inadequate nutrient intake
   • Nutrient deficiencies impair thyroid hormone production and conversion

5. Liver and gut health:

   • 80% of T4-to-T3 conversion happens in the liver and gut
   • Perimenopause often brings:
     • Increased liver burden (processing fluctuating hormones, medications, alcohol, environmental toxins)
     • Gut dysbiosis (stress, diet, antibiotics, aging)
   • Impaired liver/gut function → impaired T4-to-T3 conversion → low free T3 even if T4 is normal

How It Works

The thyroid compensation loop is not a single mechanism—it's a web of interactions between reproductive hormones, stress hormones, immune function, and metabolic regulation.

Key mechanisms:

1. Estrogen and thyroid-binding proteins:

• Estrogen increases thyroid-binding globulin (TBG) → more TBG means more thyroid hormone is "bound" (inactive) and less is "free" (active)
• When estrogen is high (early perimenopause, estrogen surges), TBG is high → free thyroid hormone may be low even if total thyroid hormone is normal
• When estrogen is low (late perimenopause, menopause), TBG is low → free thyroid hormone may be higher (but overall thyroid function may still be impaired due to other factors)
• Fluctuating estrogen creates fluctuating thyroid function → symptoms vary unpredictably

2. Cortisol and T4-to-T3 conversion:

• Chronic stress elevates cortisol
• High cortisol impairs the enzyme 5'-deiodinase, which converts T4 (inactive) to T3 (active)
• High cortisol also increases reverse T3 (rT3), an inactive form of thyroid hormone that competes with T3 for receptor binding
• Result: T4 may be normal, but T3 is low and rT3 is high → cells don't receive adequate thyroid signaling → symptoms of hypothyroidism even with "normal" labs

3. Inflammation and thyroid function:

• Chronic inflammation (from stress, poor diet, gut dysbiosis, autoimmune conditions, declining estrogen) impairs:
  • Thyroid hormone production (inflammation damages thyroid tissue)
  • T4-to-T3 conversion (inflammation impairs deiodinase enzymes)
  • Thyroid receptor sensitivity (inflammation creates cellular resistance)
• Estrogen has anti-inflammatory effects → when estrogen declines, inflammation increases → thyroid function worsens

4. Autoimmune activation:

• Hashimoto's thyroiditis is caused by immune system attacking the thyroid
• Autoimmune conditions are influenced by hormones (estrogen modulates immune function)
• During perimenopause, immune dysregulation can trigger or worsen Hashimoto's
• Thyroid antibodies (TPO, thyroglobulin) may be present for years before TSH becomes abnormal → checking antibodies is essential for early detection

5. Nutrient cofactors:

Thyroid function depends on multiple nutrients:

• Iodine → building block of thyroid hormones (T4 has 4 iodine atoms, T3 has 3)
• Selenium → required for deiodinase enzymes (T4-to-T3 conversion) and protects thyroid from oxidative damage
• Zinc → required for thyroid receptor binding and hormone production
• Iron → required for thyroid peroxidase (enzyme that makes thyroid hormone)
• Vitamin D → immune modulation, thyroid receptor function
• B vitamins (especially B12) → energy production, supports thyroid function

Deficiencies in any of these → impaired thyroid function, even if TSH is normal.

6. Liver and gut conversion:

• Liver: Converts T4 to T3, metabolizes and clears excess hormones, produces thyroid-binding proteins
  • Liver dysfunction (fatty liver, toxin overload, poor detox capacity) → impaired conversion
• Gut: Converts T4 to T3, reabsorbs thyroid hormone from bile, produces nutrients needed for thyroid function
  • Gut dysbiosis, leaky gut, constipation → impaired conversion, nutrient deficiencies

The compensation loop in action:

1. Perimenopause begins → estrogen fluctuates, stress increases, inflammation rises
2. Thyroid function becomes less efficient → T4-to-T3 conversion declines, thyroid receptors become less sensitive
3. Body tries to compensate → pituitary increases TSH to stimulate more thyroid hormone production
4. Thyroid works harder → may maintain "normal" T4 levels, but free T3 remains suboptimal
5. Cells don't receive adequate thyroid signaling → symptoms intensify (fatigue, weight gain, brain fog, etc.)
6. Symptoms attributed to menopause → thyroid issue goes unrecognized and untreated
7. Over time, compensation fails → TSH rises above normal, overt hypothyroidism develops

What It Looks Like

Early Compensation (Labs Still "Normal")

Physical:

• Fatigue → especially morning fatigue, difficulty waking, needing naps
• Weight gain → despite no changes to diet/exercise, especially if also insulin resistant
• Cold intolerance → always cold, need extra layers, cold hands/feet
• Hair changes → thinning scalp hair, loss of outer third of eyebrows, dry/brittle hair
• Skin changes → dry skin, rough patches (especially elbows, knees), pale complexion
• Constipation → sluggish digestion, bloating
• Fluid retention → puffiness (face, hands, ankles)
• Slow heart rate → resting heart rate < 60 bpm (in absence of athletic training)

Cognitive:

• Brain fog → difficulty concentrating, slower processing, memory problems
• Mental fatigue → cognitive tasks feel exhausting
• Word retrieval problems → tip-of-the-tongue moments increase

Emotional:

• Depression → low mood, hopelessness, lack of motivation, anhedonia (reduced pleasure)
• Anxiety (less common with hypothyroid, but can occur)
• Emotional flatness → reduced emotional range, feeling "blunted"
• Irritability → low frustration tolerance

Lab markers (subclinical pattern):

• TSH: 2.5-4.5 mIU/L (high-normal or slightly elevated; optimal is < 2.5 for most women, < 2.0 for fertility/pregnancy)
• Free T4: Normal range (but may be lower end of normal)
• Free T3: Low-normal or below normal (this is the key marker)
• Reverse T3 (rT3): Elevated (> 15 ng/dL suggests impaired conversion or high cortisol)
• Thyroid antibodies (TPO, thyroglobulin): May be elevated (indicates Hashimoto's, even if TSH is normal)

Advanced Compensation / Overt Hypothyroidism

Physical:

• Severe fatigue → can barely function, need 10+ hours of sleep, still exhausted
• Significant weight gain → 10-30+ pounds, resistant to diet/exercise
• Marked cold intolerance → cold even in warm environments
• Hair loss → noticeable thinning or shedding, eyebrow loss
• Severe constipation → bowel movements every 3-5 days
• Edema → significant swelling (hands, feet, face)
• Slow reflexes → delayed ankle reflex (Achilles tendon reflex)
• Hoarse voice → due to thyroid gland swelling or tissue changes
• Menstrual changes → heavier periods, longer cycles (if still cycling)

Cognitive:

• Severe brain fog → "thinking through molasses," difficulty making decisions
• Memory impairment → forgetting appointments, conversations, daily tasks
• Slowed processing → everything takes longer cognitively

Emotional:

• Clinical depression → may require antidepressants (but thyroid treatment often improves or resolves depression)
• Apathy → lack of interest in activities, relationships, life
• Social withdrawal → too exhausted or unmotivated to engage

Lab markers (overt hypothyroidism):

• TSH: > 4.5-5.0 mIU/L (above normal range)
• Free T4: Low (below normal range)
• Free T3: Low (below normal range)
• Reverse T3: May be elevated
• Thyroid antibodies: Often elevated (Hashimoto's is most common cause)

When Thyroid Function is Optimal

Physical:

• Consistent energy throughout the day
• Stable, healthy weight (responsive to diet/exercise)
• Warm body temperature (comfortable in normal environments)
• Healthy hair (full, shiny, growing)
• Healthy skin (smooth, moist, good color)
• Regular bowel movements (daily)
• No swelling or puffiness
• Normal heart rate (60-80 bpm at rest)

Cognitive:

• Clear, sharp thinking
• Good memory and recall
• Fast processing speed
• Mental stamina throughout the day

Emotional:

• Stable mood
• Motivation and drive
• Emotional resilience
• Engaged in life and relationships

Lab markers:

• TSH: 0.5-2.5 mIU/L (optimal for most women; some feel best at 1.0-2.0)
• Free T4: Mid-range or higher (not just "in range")
• Free T3: Mid-range or higher (optimal is upper third of reference range for many women)
• Reverse T3: < 15 ng/dL
• Free T3-to-reverse T3 ratio: > 20 (indicates efficient conversion and low stress)
• Thyroid antibodies: Negative (< 35 IU/mL for TPO, < 20 IU/mL for thyroglobulin)

Phase Impact

Baseline (Regular Cycle, Pre-Perimenopause): Thyroid function is typically stable (unless pre-existing thyroid condition or autoimmune predisposition). Estrogen supports efficient thyroid hormone production, conversion, and receptor sensitivity. Energy, metabolism, and body temperature regulation are optimal.

Electric Cougar (Early Perimenopause): Estrogen fluctuations begin to affect thyroid-binding proteins and receptor sensitivity. Some women notice early signs of thyroid sluggishness: fatigue (especially morning), cold intolerance, slight weight gain, hair thinning. Stress levels often increase (life stage demands) → cortisol rises → impairs T4-to-T3 conversion. Subclinical hypothyroidism may develop. This is an ideal time to test full thyroid panel (TSH, free T4, free T3, antibodies) to catch issues early.

Wild Tide (Mid-Perimenopause): Estrogen becomes wildly erratic → thyroid function fluctuates in parallel. Symptoms may vary week to week (energy, weight, mood, body temperature). Thyroid compensation loop is often in full effect: thyroid working hard to maintain function, but free T3 is suboptimal. Many women are told thyroid is "fine" based on normal TSH, despite symptoms. Hashimoto's may surface or worsen. Fatigue, weight gain, brain fog intensify.

Henapause (Late Perimenopause, 7-11 Months Without Period): Estrogen is consistently low. Thyroid function may worsen as compensation fails. TSH may rise above normal range (overt hypothyroidism). Fatigue becomes severe. Weight gain accelerates. Brain fog is debilitating. Hair loss is noticeable. This is a critical window for thyroid evaluation and treatment.

The Pause (Menopause, 12+ Months Without Period): Estrogen stabilizes at low levels. Thyroid function stabilizes (at whatever level it's reached—optimal, suboptimal, or hypothyroid). Women on HRT often have better thyroid function than those not on HRT (estrogen supports thyroid). Those with untreated thyroid issues continue to struggle. Thyroid optimization (medication, nutrients, lifestyle) is essential for quality of life.

Phoenix Phase (Early Post-Menopause, 2-10 Years After Last Period): Thyroid function remains stable (optimal or suboptimal, depending on treatment). Women who optimize thyroid (medication if needed, nutrients, stress management, HRT if appropriate) report significant improvement in energy, weight, mood, cognition. Those with untreated thyroid issues may develop additional health problems (cardiovascular, cognitive, metabolic).

Golden Sovereignty (Established Post-Menopause, 7+ Years After Last Period): Thyroid function is stable. Women who have optimized thyroid health maintain vitality, cognitive function, and metabolic health. Thyroid medication may need adjustment over time (dose, type). Long-term thyroid health supports bone density, cardiovascular health, brain health, and overall longevity.

Testing & Optimization

When to Test

Standard thyroid screening (TSH only) is inadequate for detecting thyroid compensation patterns. A comprehensive thyroid panel is essential.

Comprehensive thyroid panel:

• TSH (thyroid-stimulating hormone) → marker of pituitary signaling to thyroid

  • Standard range: 0.5-4.5 or 0.5-5.0 mIU/L
  • Optimal range for most women: 0.5-2.5 mIU/L (some feel best at 1.0-2.0)
  • If trying to conceive or pregnant: < 2.5 mIU/L

• Free T4 (free thyroxine) → inactive thyroid hormone available to cells

  • Should be mid-range or higher (not just "in range")

• Free T3 (free triiodothyronine) → active thyroid hormone available to cells

  • Most important marker for symptom correlation
  • Should be mid-range or higher (many women feel best in upper third of reference range)

• Reverse T3 (rT3) → inactive form of T3 that competes with T3 for receptor binding

  • Elevated when under stress, inflammation, or poor T4-to-T3 conversion
  • Optimal: < 15 ng/dL
  • Free T3-to-reverse T3 ratio: > 20 (indicates healthy conversion and low stress)

• Thyroid antibodies:

  • TPO antibodies (thyroid peroxidase) → marker of Hashimoto's thyroiditis
  • Thyroglobulin antibodies → additional marker of Hashimoto's
  • Positive antibodies (elevated above reference range) indicate autoimmune thyroid disease, even if TSH is normal
  • Important to test because Hashimoto's often develops during perimenopause

When to test:

• At perimenopause onset (baseline)
• If experiencing fatigue, weight gain, brain fog, hair loss, cold intolerance, constipation, mood changes
• If family history of thyroid disease or autoimmune conditions
• Annually during perimenopause/menopause (thyroid function can change rapidly)
• Before starting HRT (estrogen affects thyroid-binding proteins)
• If on thyroid medication (to monitor levels and adjust dose)

Additional testing (if indicated):

• Nutrient levels: Iodine (24-hour urine test), selenium, zinc, iron/ferritin, vitamin D, B12
• Cortisol: Salivary cortisol (4-point throughout day) to assess stress response
• Sex hormones: Estrogen, progesterone, testosterone (to understand full hormonal picture)

Optimization Strategies

1. Thyroid Hormone Replacement (When Needed)

If TSH > 2.5-3.0 and/or symptoms are present, thyroid medication may be warranted.

Types of thyroid medication:

Levothyroxine (T4-only):

• Synthetic T4 (brand names: Synthroid, Levoxyl, Tirosint)
• Most commonly prescribed
• Body converts T4 to T3 (works well if conversion is efficient)
• May not be sufficient if T4-to-T3 conversion is impaired (due to stress, inflammation, nutrient deficiencies)

Liothyronine (T3-only):

• Synthetic T3 (brand name: Cytomel)
• Used as add-on to T4 therapy (if free T3 remains low on T4 alone)
• Short half-life → requires multiple doses per day or sustained-release compounded form

Combination T4 + T3 therapy:

• Some women feel best on combination of T4 and T3 (various ratios)
• May be synthetic combination or compounded
• Addresses conversion issues directly

Desiccated thyroid (natural thyroid):

• Derived from porcine (pig) thyroid (brand names: Armour Thyroid, Nature-Throid, NP Thyroid)
• Contains T4, T3, and other thyroid components (T2, T1, calcitonin)
• Some women prefer this (feel better than on synthetic)
• Dosing can be less precise (natural product, slight batch-to-batch variation)

Finding the right medication and dose:

• May require trial and error (different medications, doses, timing)
• Retest thyroid panel 6-8 weeks after starting or adjusting dose
• Dose by symptoms AND labs (optimal labs don't always correlate with optimal symptoms—individualize)

2. Address Root Causes

Hashimoto's thyroiditis (autoimmune hypothyroidism):

• Gluten elimination: Many Hashimoto's patients improve with gluten-free diet (molecular mimicry—gluten resembles thyroid tissue)
• Anti-inflammatory diet: Whole foods, eliminate processed foods, sugar, seed oils
• Gut health: Address leaky gut, dysbiosis, SIBO (gut health affects immune function)
• Stress management: Reduce cortisol, support adrenals
• Selenium supplementation: 200 mcg daily (reduces TPO antibodies in many studies)
• Low-dose naltrexone (LDN): 1.5-4.5 mg at bedtime (immune-modulating, reduces antibodies for some women)

T4-to-T3 conversion issues:

• Reduce stress: Manage cortisol (meditation, breathwork, therapy, boundaries, rest)
• Support liver health: Reduce toxin exposure, support detox pathways (cruciferous vegetables, adequate protein, hydration)
• Support gut health: Probiotics, prebiotics, fiber, address dysbiosis
• Optimize nutrients: Selenium, zinc, iron (see below)

3. Nutritional Support

Essential nutrients for thyroid function:

• Iodine: 150-300 mcg daily (from food or supplement)

  • Sources: Seaweed, fish, dairy, iodized salt
  • Caution: High-dose iodine (> 500 mcg) can worsen Hashimoto's in some women—test and monitor

• Selenium: 200 mcg daily

  • Essential for T4-to-T3 conversion and thyroid protection
  • Sources: Brazil nuts (1-2 nuts daily = 200 mcg), fish, meat, eggs

• Zinc: 15-30 mg daily

  • Supports thyroid receptor binding and hormone production
  • Sources: Meat, shellfish, pumpkin seeds, legumes

• Iron: If deficient, supplement to restore ferritin > 50-70 ng/mL (optimal for thyroid function)

  • Sources: Red meat, liver, spinach, legumes (heme iron from meat is better absorbed)

• Vitamin D: 2000-4000 IU daily (or dose to achieve 50-80 ng/mL)

  • Immune modulation, thyroid receptor function

• B vitamins (especially B12): B-complex or methylated B vitamins

  • Supports energy, mood, thyroid function

Anti-inflammatory diet:

• Whole, unprocessed foods
• Healthy fats (omega-3s, olive oil, avocado)
• Quality protein (supports conversion, muscle mass, satiety)
• Abundant vegetables (fiber, nutrients, antioxidants)
• Limit or eliminate: gluten (especially if Hashimoto's), dairy (if sensitive), sugar, processed foods, seed oils

4. Lifestyle Optimization

Stress management:

• Chronic stress impairs thyroid function (via cortisol, inflammation)
• Practices: meditation, breathwork, therapy, boundaries, nervous system regulation, joy, rest

Sleep optimization:

• Thyroid affects sleep, and sleep affects thyroid
• 7-9 hours of quality sleep supports thyroid function and hormone balance

Exercise (moderate):

• Moderate exercise supports thyroid function
• Avoid over-exercising → excessive exercise raises cortisol, impairs thyroid function, worsens fatigue
• Strength training: Supports metabolism, muscle mass, bone health
• Walking, yoga, gentle movement: Low-cortisol, sustainable

5. Hormone Replacement Therapy (HRT)

Estrogen therapy may improve thyroid function:

• Supports thyroid receptor sensitivity, reduces inflammation
• May require thyroid medication dose adjustment (estrogen affects thyroid-binding proteins)
• Women on estrogen often need slightly higher thyroid medication dose than those not on estrogen

Monitor thyroid levels when starting or stopping HRT.

When to Review with Clinician

You should discuss thyroid function if:

• Fatigue (especially morning fatigue, needing naps)
• Weight gain (despite no changes to diet/exercise)
• Cold intolerance (always cold, cold hands/feet)
• Hair loss or thinning (scalp, eyebrows)
• Dry skin, constipation, fluid retention
• Brain fog, memory problems, slow thinking
• Depression, apathy, low motivation
• Family history of thyroid disease or autoimmune conditions
• TSH > 2.5 mIU/L (even if doctor says "normal")
• Free T3 in lower half of reference range
• Positive thyroid antibodies (TPO, thyroglobulin)
• Currently on thyroid medication but still symptomatic
• Starting or stopping HRT (may require thyroid dose adjustment)

Red flags requiring medical attention:

• Severe fatigue (can barely function)
• Significant, rapid weight gain (10+ pounds in short period)
• Severe depression or suicidal thoughts
• Severe constipation (bowel movement every 5+ days)
• Goiter (visible thyroid swelling in neck)
• Difficulty swallowing or breathing (possible thyroid enlargement)
• Rapid heart rate or palpitations (possible hyperthyroidism or over-treatment)

Related Terms

• estrogen
• progesterone
• cortisol
• thyroid-hormones
• hashimotos-thyroiditis
• brain-fog
• fatigue
• weight-gain
• hair-loss
• perimenopause