- Lack of exercise
Lack of exercise is a common cause of fatigue, weight gain, and muscle weakness.
- Exercise or physical activity
Exercise is vital for good health, but overdoing it can lead to muscle aches, dehydration, headache, and more.
- Hypocalcemia
Hypocalcemia is a blood condition marked by tingling, muscle spasms and aches, and confusion.
- Diabetes, type 2
Diabetes can make you feel hungry, tired, or thirsty; you may urinate more than normal and have blurry vision.
- Lupus (systemic lupus erythematosus)
Lupus is a chronic autoimmune disease marked by swollen painful joints, a rash, swollen lymph nodes, and more.
- Hypothyroidism (adult)
Hypothyroidism your body functions slow down, making you gain weight and feel tired all the time.
- Muscle strain
Muscle strain occurs when muscles are stressed, overworked, or injured due to physical activity or labor.
- Osteoarthritis
Osteoarthritis happens when the cartilage in your joints breaks down causing pain, stiffness, and swelling.
- Sleep apnea
People with sleep apnea stop and restart breathing multiple times while sleeping.
- Overeating
Overeating is eating when you're not hungry or to the point of feeling uncomfortably full or bloated.
- Viral syndrome
Viral syndrome is an unidentified cause of typical virus symptoms sore throat, stuffy nose, aches and more.
- Obesity
Obesity is having too much body fat, marked by a BMI of 30 or higher.
- Metabolic syndrome
Metabolic syndrome is a group of risk factors that together increase the risk of developing health problems.
- Myotonic dystrophy
Myotonic dystrophy is an inherited form of muscular dystrophy that causes muscles to waste and weaken.
- Hypoparathyroidism
Hypoparathyroidism is a rare condition that can cause muscle twitches, seizures, cramps, tingling, and more.
- Rheumatoid arthritis
Rheumatoid arthritis is an autoimmune disease that causes pain, swelling, and joint damage.
- Multiple sclerosis
Multiple sclerosis is a disease of the nervous system causing difficulties with balance, speech, and movement.
- Lyme disease
Lyme disease is a bacterial infection spread through tick bites; symptoms include rash, fever chills, and more.
- Mumps
Mumps is a contagious viral disease that causes painful swelling of the glands that produce saliva.
- Scleroderma
Scleroderma is an uncommon immune disorder that causes collagen to build up in the tissue, making it harden.
- Alzheimer's disease
Alzheimer's disease is type of dementia that causes memory loss, as well as thinking and behavior problems.
- Cushing's syndrome
Cushing's syndrome is a condition caused by exposure to high levels of a hormone called cortisol over time
- Tick bite
A tick-related illness may cause a rash that expands out from the site of the bite, fever, chills, and more.
- Parkinson disease
Parkinson's disease is a disorder of the nervous system causing tremors stiffness and slow movement.
- Hypopituitarism
Hypopituitarism is a rare disorder of the pituitary glands, which can cause many different symptoms.
- Typhoid fever
Typhoid fever is a life-threatening illness and causes fever, general aches and pains, headache, and weakness.
- West nile virus
West Nile virus is an infection spread by mosquitoes, and can cause diarrhea, fever, abdominal pain, and more.
- Tetanus
Tetanus is a potentially fatal toxic infection and causes stiffness in the jaw and neck, fever, and more.