When one is tired all the time what can this be a symptom of?

There are many potential causes for constant fatigue, including:

- Sleep disorders: Sleep apnea, restless legs syndrome, and insomnia can all lead to poor-quality sleep and daytime tiredness.

- Anemia: This condition occurs when the body doesn’t have enough healthy red blood cells to carry oxygen to cells.

- Chronic pain: Pain can disrupt sleep and make it difficult to feel rested.

- Thyroid problems: An underactive thyroid (hypothyroidism) can slow metabolism and lead to fatigue.

- Diabetes: Uncontrolled diabetes can cause fatigue due to high blood sugar levels.

- Heart disease: Heart conditions that reduce blood flow to the body can cause tiredness.

- Kidney disease: Chronic kidney disease can lead to a build-up of toxins in the body and fatigue.

- Cancer: Some types of cancer can cause fatigue as the body works to fight the disease.

- Infections: Viral or bacterial infections can cause fatigue as the body fights off the illness.

- Medications: Certain medications, such as antihistamines and antidepressants, can cause tiredness as a side effect.

It is important to see a doctor to determine the cause of constant fatigue, as it may be a symptom of a serious underlying condition.