Category: P

  • Phenoxymethylpenicillin

    An antibiotic, similar to penicillin, used to treat infections caused by a wide variety of microorganisms. It is administered by mouth and may cause diarrhea and allergic reactions. An artificially produced penicillin medication employed for the treatment of bacterial infections, including conditions like pharyngitis, tonsillitis, and dental abscesses. Potential negative reactions encompass skin rash and…

  • Phenoxybenzamine

    A drug that dilates blood vessels. It is used to reduce blood pressure and to treat conditions involving poor circulation, such as Raynaud’s disease and chilblains. It is administered by mouth or injection and may cause dizziness and fast heart beat. An alpha-adrenoceptor blocking drug used in the treatment of hypertension caused by phaeochromocytoma.  

  • Phenol

    A strong disinfectant used for cleansing wounds, treating inflammations of the mouth, throat, and ear, and as a preservative in injections. It is administered as solution, ointments, and lotions and is highly toxic if taken by mouth. A crystalline, colorless or light pink solid, melting at 43°C, obtained from the distillation of coal tar. It…

  • Phenindione

    An anticoagulant drug used to treat thrombosis in the blood vessels of the heart and limbs. It is administered by mouth or injection; side-effects may include skin rashes, fever, and diarrhea. A synthetic anticoagulant. Given by mouth, it is used to prevent the formation of clots in the blood in rheumatic heart disease and atrial…

  • Pheneturide

    An anticonvulsant drug used in the treatment of major types of epilepsy. It is administered by mouth; side-effects may include lack of muscular coordination, loss of appetite, and skin reactions.  

  • Phenazocine

    An analgesic drug used for rapid relief of moderate or severe pain. It is administered by mouth or injection; side-effects may include digestive upsets and dizziness, and prolonged use may lead to dependence.  

  • Phenacetin

    An analgesic drug that also reduces fever, used to relieve mild or moderate pain. It is administered by mouth; side-effects may include sweating and skin rashes. Prolonged high doses may cause kidney damage.  

  • Phenacemide

    An anticonvulsant drug used in the treatment of epilepsy. It is administered by mouth; side-effects include digestive upsets, fever, and rash. Mental changes and damage to liver, kidneys, and bone marrow may also occur.  

  • Pharyngeal cleft

    Any of the paired segmented clefts in each side of the throat of the early embryo that correspond to the gills of fish. Soon after they have formed they close to form the pharyngeal pouches, except for the first cleft, which persists as the external auditory meatus.  

  • Pharyngeal arch

    Any of the paired segmented ridges of tissue in each side of the throat of the early embryo that correspond to the gill arches of fish. Each arch contains a cartilage, a cranial nerve, and a blood vessel. Between each arch there is a pharyngeal pouch.