Anemia

Very common

Deficiency of healthy red blood cells in blood. Red blood cells (RBCs) are essential to carry oxygen to all parts of the body. Fatigue, unexplained weaknesses are some of the common symptoms.

Symptoms may include:

• Fatigue
• Pale skin
• Cold hands and feet

Hypothyroidism

Common

A condition resulting from decreased production of thyroid hormones. The symptoms vary between individuals.

Symptoms may include:

• Fatigue
• Weight gain
• Dry skin
• Puffy face

Diabetes

Symptoms may include:

• Frequent urination
• Increased hunger
• Fatigue
• Unusual weight gain/weight loss

Chronic fatigue syndrome

Common

A disorder characterized by extreme fatigue with no underlying medical condition.

Symptoms may include:

• Extreme fatigue
• Poor concentration
• Pain in multiple joints
• Sleep problems

Chronic obstructive pulmonary disease

Very common

It is a common, preventable and treatable disease that is characterized by persistent respiratory symptoms like progressive breathlessness and cough.

Symptoms may include:

• Sputum production
• Shortness of breath
• Frequent coughing...

Major depressive disorder

Very common

Mental health disorder having episodes of psychological depression.

Symptoms may include:

• Feelings of sadness
• Hopelessness
• Loss of interest
• Fatigue

Sleep apnea

Very common

A sleep disorder where breathing is interrupted repeatedly during sleep. Characterized by loud snoring and episodes of stop breathing.

Symptoms may include:

• Loud snoring
• Sleepiness or lack of energy during day time
• Irritability...

Insomnia

Very common

Trouble falling and/or staying asleep. This can be short term to last for few days to few weeks and for some it can be chronic which lasts for more than a month.

Symptoms may include:

• Difficulty falling asleep at night
• Inability to stay asleep
• Daytime fatigue or sleepiness...