Category: O
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Obsessional neurosis
A neurosis where obsessive actions or thoughts take over a person’s life. For example, these individuals might repeatedly check if they’ve closed a door multiple times or feel compelled to count tea leaves they’re adding to a pot or the peas they’ve shelled.
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Oxymetazoline
A decongestant medication employed to address conditions such as allergic rhinitis (hay fever), sinusitis, and the common cold.
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Ovysmen
A proprietary oral birth control medication comprising ethinylestradiol (a synthetic variant of the female hormone estradiol) and levonorgestrel (a progestogen compound).
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Overuse injury
Commonly referred to as repetitive strain injury, this is a term used to describe any injury resulting from the repetitive motion of a specific body part. Symptoms encompass discomfort and rigidity in the impacted muscles and joints. Instances comprise of epicondylitis, which denotes the painful inflammation of a bony prominence at the elbow. This condition…
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Otrivine
Otrivine is the trade name for xylometazoline, a decongestant medication utilized to alleviate nasal congestion in the management of allergic rhinitis. It can be obtained as a nasal spray or in drop form.
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Otoacoustic emission
A sound reflection generated by the inner ear in response to external sounds. This emission occurs when the ear functions normally and is captured in a test used to identify hearing impairments.
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Osteochondritis juvenilis
Inflammation of an epiphysis, which is the developing end of a bone, that occurs among children and adolescents is known as osteochondritis juvenilis. This condition triggers pain, tenderness, and limited mobility if the epiphysis is part of a joint. The inflammation results in the bone becoming softened, potentially leading to deformity. The cause of this…
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Ossopan
A trade name for hydroxyapatite, a calcium supplement employed in managing osteoporosis, a condition characterized by the depletion of bone tissue.
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Osler’s disease
An infrequent hereditary disorder where capillaries (minute blood vessels) in the skin and mucous membranes, like those found in the mouth and nose, expand and create red spots. This condition, also recognized as hereditary hemorrhagic telangiectasia, follows an autosomal dominant genetic pattern. The growths can be prone to easy bleeding. Frequent nosebleeds, which can commence…
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Organophosphates
Potent agricultural insecticides with high toxicity that pose risks when absorbed through the skin, inhaled, or ingested. A multitude of potential symptoms include nausea, vomiting, abdominal cramps, diarrhea, blurry vision, profuse sweating, headaches, confusion, and muscular twitching. In instances of severe poisoning, breathing challenges, palpitations, seizures, and loss of consciousness could manifest. If not treated,…