Underactive thyroid

Hypothyroidism

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When the thyroid doesn't make enough hormone, things can slow down: energy, digestion, mood, even your cycle. Symptoms tend to creep in gradually, so they're easy to miss.

You might notice

feeling exhausted most of the time
feeling cold when others aren't
constipation that's new for you
foggy, slow thinking
dry skin, or hair that's thinning or falling out
periods getting heavier or less regular

Who can help

A naturopathic or integrative doctor can look at your hormones as a whole. Acupuncture and nutrition can support you alongside.

See everyone for hormones →

Where it can overlap

Fatigue
Underactive thyroid commonly shows up as fatigue. Established
Thyroid symptoms
Underactive thyroid can overlap with thyroid symptoms. Established
Brain fog
Underactive thyroid can overlap with brain fog. Established
Constipation
Underactive thyroid can show up as constipation. Established
Hair changes
Underactive thyroid can show up as hair changes. Established
Irregular periods
Underactive thyroid can overlap with irregular periods. Established

4 more threads +

Missing periods
Underactive thyroid can overlap with missing periods. Established
PCOS / PMOS
Underactive thyroid is usually ruled out when exploring PCOS / PMOS. Established
Skin changes
Underactive thyroid can overlap with skin changes. Established
SIBO
Underactive thyroid can overlap with SIBO. Emerging

Established: well documented · Associated: linked, not a cause · Emerging: early research · Woo exploration: worth exploring, not yet sourced. A link isn't a cause.

Keep exploring

Overactive thyroidWhen the thyroid makes more hormone than your body needs, things can speed up. Some people notice a racing heart…Also in Thyroid PCOS / PMOSA common hormonal condition, now also called PMOS (polyendocrine metabolic ovarian syndrome), that can show up in…In Hormones + cycle Missing periodsWhen periods stop for three months or more outside pregnancy, breastfeeding or menopause, it's a signal worth…In Hormones + cycle

10 sources · how we checked

Everything on this page was researched from clinical guidance, government health sources and published reviews first, then single studies. Where a connection is only worth exploring, it says so.

A note from Woo: Body Map is here to help you explore and ask better questions. It isn't a diagnostic tool or a substitute for medical care. Relationships shown here represent areas that may be associated or worth exploring, not a diagnosis or statement of cause.

if this landed, here’s where to go next

Article · On our SubstackWho Should You See? What is a Practitioner? Back on the mapEverything in Thyroid Step back inside the area and see what lives beside it.On The WooTalk it through in Body & Cycles Questions and what helped, from Woo girls.Quiz · 8 questionsWhat's Your Aura? A little read on how you move through the world. Take the quiz.