Orgasm

Orgasm is a series of intense, pleasurable muscle contractions in the pelvic area. This is the result of genital stimulation. Before orgasm, the body's muscles have tightened, and blood vessels in the genital area have swelled with blood. When this has reached a peak (climax), the muscles suddenly relax, and orgasm...

oritavancin

Oritavancin is an antibiotic that is used to treat severe skin infections caused by bacteria. Oritavancin may also be used for purposes not listed in this medication guide.

orlistat

Orlistat blocks some of the fat that you eat, keeping it from being absorbed by your body. Orlistat is used to aid in weight loss, or to help reduce the risk of regaining weight already lost. This medicine must be used together with a reduced-calorie diet. Orlistat is for use only in adults. . Xenical is the...

Orlistat

Provides a summary of interactions with vitamins, herbs, and food

Ornithine

How to Use It Most people would not benefit from ornithine supplementation. In human research involving ornithine, 5–10 grams are typically used per day, sometimes combined with arginine. Where to Find It As with amino acids in general, ornithine is predominantly found in meat, fish, dairy, and eggs. Western diets...

Ornithine Alpha-Ketoglutarate

How to Use It Optimal levels remain unknown, though 10 grams per day has been used in clinical trials. Where to Find It Although the amino acids that comprise OKG are present in protein foods such as meat and poultry and fish, the OKG compound is found only in supplements. Possible Deficiencies A deficiency of OKG has...

Ornithine Alpha-Ketoglutarate for Sports & Fitness

Ornithine Alpha-Ketoglutarate How Much Is Usually Taken by Athletes? OKG is formed from the amino acids ornithine and glutamine and is believed to facilitate muscle growth by enhancing the body’s release of anabolic hormones. While this effect has been found in studies on hospitalized patients and elderly people, 1, 2...

orphenadrine

Orphenadrine is a muscle relaxer. Orphenadrine is used together with rest and physical therapy to treat skeletal muscle conditions such as pain or injury. Orphenadrine may also be used for purposes not listed in this medication guide.

Orthodontics and orthodontic treatment

Orthodontics is a special type of dentistry for crooked teeth or a poor bite (malocclusion). Dentists who do orthodontic treatment are called orthodontists. They may remove teeth or use devices such as braces to move the teeth or jaw into the right position.

Orthodontist

Orthodontists are dentists with extra training who specialize in straightening teeth and correcting a poor bite (malocclusion). They can diagnose, prevent, and treat problems with teeth and jaws. Orthodontists are skilled in any combination of extraction, braces (fixed appliances), and removable appliances that move the...

Orthognathic Surgery for Malocclusion

Orthognathic surgery treats malocclusion ("poor bite"). It restructures the jaw through cutting the bone and repositioning the bone segments. Adults who have jaw-related malocclusion are sometimes offered a choice. They can have simple orthodontic treatment . Or they can have orthodontic treatment combined with...

Orthopedic surgeon

Orthopedic surgeons are medical doctors who specialize in bone, muscle, and joint surgery. This includes corrective procedures, such as removing torn cartilage or replacing a joint. Some orthopedic surgeons specialize in specific areas such as shoulder surgery, hand surgery, or joint replacement. Orthopedic surgeons can...

Orthopedic Surgery for Cerebral Palsy

Orthopedic surgery is used to treat tight muscles and spasticity related to cerebral palsy. An incision is made in the skin over the affected muscle. Parts of the muscle are then cut to release the tightness.

Orthostatic hypotension

Orthostatic hypotension is a rapid and sudden decrease in blood pressure that occurs when a person changes position, such as rising from a sitting or lying position to standing, or when standing motionless in one position. Symptoms of orthostatic hypotension may include lightheadedness, dizziness, or fainting (syncope)...

Orthotic insole

An orthotic insole is a molded piece of rubber, plastic, or other material that you insert into your shoe. It corrects the alignment of your foot and cushions your foot from excessive pounding. A wide range of orthotics are available for different foot problems. Before buying an expensive pair of custom-made orthotics...

Orthotics for Foot Problems

Orthotic shoe devices are molded pieces of rubber, leather, metal, plastic, or other material that are put into a shoe. They balance the foot in a neutral position. They can also cushion the foot from too much pounding. A wide range of orthotics are used for different foot problems. Doctors don't always agree about the...

oseltamivir

Oseltamivir is an antiviral medication that blocks the actions of influenza virus types A and B in your body. Oseltamivir is used to treat flu symptoms caused by influenza virus in people who have had symptoms for less than 2 days. Oseltamivir may also be given to prevent influenza in people who may be exposed but do...

Oseltamivir

Provides a summary of interactions with vitamins, herbs, and food

Osgood-Schlatter disease

Osgood-Schlatter disease is a knee problem that causes pain and swelling in the shinbone (tibia) just below the kneecap (patella). This is the spot where the patellar tendon attaches to a bony mound in the knee (tibial tubercle). This condition is a common cause of knee pain in older children and teenagers. It usually...

Osgood-Schlatter Disease

What is Osgood-Schlatter disease? Osgood-Schlatter disease is a knee problem that causes pain and swelling in the shinbone (tibia) just below the kneecap (patella). This is the spot where the patellar tendon attaches to a bony mound in the knee called the tibial tubercle. Older children and teenagers often get...

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