Category: S

  • Sympathin

    The name given by early physiologists to the substances released from sympathetic nerve endings, now known to be a mixture of epinephrine and norepinephrine.  

  • Symmelia

    A developmental abnormality in which the legs appear to be fused.  

  • Suramin

    A nonmetallic drug used in the treatment of trypanosomiasis. It is usually given by slow intravenous injection. Side-effects, which vary in intensity and frequency and are related to the nutritional state of the patient, include nausea, vomiting, shock, and loss of consciousness. A drug used to treat trypanosomiasis or sleeping sickness. Side-effects vary in frequency…

  • Supravital staining

    The application of a stain to living tissue, particularly blood cells, removed from the body.  

  • Supraorbital reflex

    The closing of the eyelids when the supraorbital nerve is struck, due to contraction of the muscle surrounding the orbit (orbicularis oculi muscle). A contraction of the orbicularis oculi muscle with closure of lids resulting from percussion above the supraorbital nerve.  

  • Sulthiame

    An anticonvulsant drug used in the treatment of severe forms of epilepsy. The drug is given by mouth and mild side-effects may develop in some patients, including muscular incoordination, loss of appetite, and headache.  

  • Sulfone

    One of a group of drugs closely related to the sulfonamides in structure and therapeutic actions. Sulfones possess powerful activity against the bacteria that cause leprosy and tuberculosis. The best known sulfone is dapsone.  

  • Sulfomyxin

    An antibiotic, similar to polymyxin B, given by local application or intramuscular injection to treat infections of the skin, mucous membranes, eyes, and ears caused by Pseudomonas. Common side-effects include flushing, dizziness, blurred vision, and weakness.  

  • Sulfinpyrazone

    A drug given by mouth for the treatment of chronic gout. The main side-effects are nausea and abdominal pain; the drug may also activate a latent duodenal ulcer and it should not be taken by patients with impaired kidney function. A derivative of phenylbutazone which is of value in the prophylaxis and treatment of gout.…

  • Sulfamethoxazole

    A drug of the sulfonamide group. It is taken by mouth and is effective in the treatment of infections of the respiratory tract (including bronchitis), the urinary and gastrointestinal tracts, and the skin. The drug is frequently administered in a combined preparation with trimethoprim. Sulfamethoxazole has been used in combination with trimethoprim (as co-trimoxazole) to…