Home / Symptom guides / Low energy
THE HERSCRIPTS GUIDE / LOW ENERGY
Low energy.
You deserve answers.
When getting through the day takes more than it used to, start with a clearer picture of what may be going on.
Prepared by HerScripts Editorial
Updated October 24, 2026 · Clinical review pending
A COMMON QUESTION
Why am I tired even after resting?
Persistent fatigue can have many explanations, including disrupted sleep, anemia, thyroid conditions, medicines, and mental or physical health problems. If enough rest does not help, or low energy is affecting daily life, a healthcare professional can assess the pattern and decide what to investigate.
[1], [2]POSSIBLE CONTRIBUTORS
One symptom.
More than one possible cause.
01
Sleep problems
Difficulty sleeping or a breathing-related sleep disorder can leave you unrefreshed.
02
Iron deficiency or anemia
These are possible causes, rather than a diagnosis to assume from tiredness.
03
Thyroid and other medical conditions
The rest of your history helps guide whether testing is useful.
04
Medicines, pain & stress
Medicines, persistent pain, stress, or depression: several factors may overlap.
YOUR NEXT STEP
Start with your story.
Find your next step.
Before your appointment
- How long you have felt different
- Whether rest helps and what worsens symptoms
- Sleep timing, snoring, or night waking
- Medicines and supplements
- Changes in periods, appetite, mood, or weight
A MORE PERSONAL CONVERSATION
What might an assessment involve?
Describe whether you feel sleepy, physically exhausted, weak, or short of stamina; those experiences are not identical. A clinician may review medicines, mood, sleep, and other symptoms, perform an examination, and order selected tests. There is no single fatigue test that explains every case.
[1], [2]A CONSIDERED NEXT STEP
What can I discuss next?
WHEN TO SEEK CARE
Some changes need a closer look.
Arrange an assessment for unexplained or persistent fatigue, particularly with fever, unintentional weight loss, or regular sweats. Confusion, severe dizziness, or very little urine needs urgent medical advice. For severe breathing difficulty or another medical emergency, call 911.
YOUR QUESTIONS
Your questions. Clear answers.
No. Fatigue has many possible causes. Hormonal changes can be relevant, but sleep disorders, anemia, medicines, and other health problems also deserve consideration.
Possibly. The clinician should choose tests based on your history and examination. Not every person needs the same blood tests or a broad hormone panel.
No. Fatigue describes low energy or exhaustion; weakness means reduced strength. Explain what tasks have changed so a clinician can distinguish them.
A remote conversation can begin the assessment. Persistent or unexplained symptoms may still need an in-person examination, testing, or a referral.
LOOK AT THE WHOLE PICTURE
Everything is connected.
Make space for you.
Your next step starts here.
PATIENT CHECK-IN
Coming soon.
Enrollment is not open yet. Eligibility, services, costs, and availability will be explained before you decide to proceed.
Sources and editorial notes
This guide provides general education, not a diagnosis or an individual treatment recommendation. It has not yet been reviewed by a HerScripts clinician. The organizations linked above are information sources, not partners or endorsers of HerScripts.