Conditions starting with O

Obesity

Read about the causes of obesity and find out what you can do to decrease your risk of its associated health issues.

Obesity in Children

Obesity in children is hard to spot because they all grow at different rates. Find a list of tips that can help you monitor your child's health.

Obsessive-Compulsive Disorder

People with obsessive-compulsive disorder (OCD) suffer from frequent, upsetting thoughts called obsessions. Read about the treatments available.

Occupational Health

Occupational health problems vary from broken bones to vision problems. Take the following precautions to ensure safety on the job.

Occupational Health for Health Care Providers

Healthcare workers are exposed to many hazards. Ensure that you have an occupational health plan for your healthcare providers with following tips.

Oesophageal atresia and tracheo-oesophageal fistula

Explore the homeopathic remedies traditionally associated with Oesophageal atresia and tracheo-oesophageal fistula and related practitioner context.

Oesophageal cancer

Explore the homeopathic remedies traditionally associated with Oesophageal cancer and related practitioner context.

Oil Spills

Read about the environmental and economic effects of oil spills.

Older Adult Health

Older adult health deals with changes as we age. Having a healthy lifestyle helps you deal with changes in your body and mind to make the most of life.

Older Adult Mental Health

Older adult mental health includes emotional, psychological, and social well-being as we age. It affects how we think, feel, and act as we cope with life and aging. Learn more.

Opioid Overdose

Opioid overdose leads to slowing or stopping of breathing and sometimes death. You can take steps to help prevent an overdose, and respond to one with naloxone.

Opioid Use Disorder (OUD) Treatment

Opioid use disorder (OUD) is a serious problem. Treatments include medications for opioid use disorder (MOUD) and counseling.

Opioids and Opioid Use Disorder (OUD)

Opioid use disorder (OUD) a serious public health problem in the U.S. Learn about opioids, how they affect the body, and what OUD is.

Optic Nerve Disorders

Your optic nerves carries visual images from the back of your eye to your brain. Learn about optic nerve disorders and how they affect your vision.

Oral Cancer

Oral cancer can form in the mouth or throat but usually begins in the tongue and floor of the mouth. Read about the common oral cancer symptoms.

Oral thrush (mouth thrush)

Explore the homeopathic remedies traditionally associated with Oral thrush (mouth thrush) and related practitioner context.

Orf

Explore the homeopathic remedies traditionally associated with Orf and related practitioner context.

Organ Donation

Experts say that the organs from one donor can save or help as many as 50 people. Read about the how to become an organ donor.

Orthodontia

Orthodontia is the branch of dentistry that uses treatments such as braces, aligners, and retainers to straighten your teeth and correct your bite. Learn more.

Osteoarthritis

Osteoarthritis is the most common form of arthritis. It usually affects your hands, knees, hips, or spine. Learn about treatment and management.

Osteomyelitis

Explore the homeopathic remedies traditionally associated with Osteomyelitis and related practitioner context.

Osteonecrosis

Osteonecrosis (Avascular Necrosis) is marked by a loss of blood supply to the bones, causing bone to break down faster than the body make new bone.

Osteophyte (bone spur)

Explore the homeopathic remedies traditionally associated with Osteophyte (bone spur) and related practitioner context.

Osteoporosis

Osteoporosis is a disease that weakens your bones and makes them more likely to break or fracture. There are no symptoms until the first bone break.

Ostomy

An ostomy treats certain diseases of the digestive or urinary systems. Learn about different types of ostomy including colostomy and ileostomy

Otosclerosis

Explore the homeopathic remedies traditionally associated with Otosclerosis and related practitioner context.

Ovarian Cancer

Ovarian cancer is a cancerous tumor that forms in the tissues of an ovary. The ovaries are a pair of female reproductive glands that make eggs and female hormones.

Ovarian cyst

Explore the homeopathic remedies traditionally associated with Ovarian cyst and related practitioner context.

Ovarian Cysts

An ovarian cyst is a fluid-filled sac in or on the ovary. Most women have them sometime in their lives. Cysts are rarely cancerous in women under 50.

Ovarian Disorders

Ovarian disorders that affect women's health include cancer, cysts, polycystic ovary syndrome, and ovarian torsion. Learn more about ovarian health.

Over-the-Counter Medicines

Over-the-counter medicines differ from prescription medicines but offer the same benefits. Find out how to use them properly.

Overactive Bladder

An overactive bladder (or polyuria) will cause you to urinate 8 or more times a day or 2 or more times a night. Read about the treatment available

Overactive thyroid (hyperthyroidism)

Explore the homeopathic remedies traditionally associated with Overactive thyroid (hyperthyroidism) and related practitioner context.

Oxygen Therapy

Oxygen therapy is a treatment that provides extra oxygen. A different kind of oxygen therapy is called hyperbaric oxygen therapy. Find out more.

Ozone

Ozone is a gas that can be good or bad. Good ozone is 10-30 miles above Earth's surface while bad ozone is at ground level. Read more about both.