Category Internal Medicine

Oxymetazoline and xylometazoline

General information Oxymetazoline and xylometazoline are alpha-adrenoceptor agonists used topically as nasal decongestants [ ]. They have higher affinities for most α-adrenoceptor subtypes than adrenaline and noradrenaline. Oxymetazoline has a significantly higher affinity for α 1A receptors than xylometazoline but…

Oxygen

General information The duration and extent of hyperoxygenation during anesthesia are generally limited. However, in intensive care, a patient’s exposure to oxygen can become prolonged and dangerous. Oxygen toxicity can cause adverse effects in numerous tissues, including the lungs, nervous…

Oxyfedrine

General information Oxyfedrine is a vasodilator that has been used in angina pectoris and myocardial infarction. You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log…

Oxycodone

General information Oxycodone is an opioid analgesic that is 1.5 times as potent as morphine and has a longer duration of action. Drug studies Studies of modified-release oxycodone are detailed below under Drug formulations. Comparative studies The postoperative analgesic effects…

Oxybutynin

See also Anticholinergic drugs General information Oxybutynin is an anticholinergic drug that is used to treat bladder detrusor instability. It can cause all the adverse reactions that would be expected from its anticholinergic action [ ]. Drug studies Placebo-controlled studies…

Oxybuprocaine

See also Anesthetics, local General information Oxybuprocaine is an ester of para-aminobenzoic acid. It is a local anesthetic used in ophthalmology. You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If…

Oxolamine

General information Oxolamine citrate is a synthetic derivative of 3,5-disubstituted 1,2,4-oxodiazole. It has been used to treat cough in some European countries, initially in Italy [ , ] and later in France [ , ] and elsewhere [ ]. You’re…