AN AP INVESTIGATION : Pharmaceuticals Found in Drinking Water

Tests of Philadelphia's drinking water reveal 56 drugs

AP National Writer

PHILADELPHIA (AP) _ A total of 56 pharmaceuticals or byproducts have been detected in this city's drinking water, largely in tests conducted last year, according to the Philadelphia Water Department.

The list of drugs is the longest among 62 major water providers surveyed by the Associated Press. However, this city's water officials say they probably found more drugs simply because they did more testing. They say their water is safe to drink.

Researchers found trace concentrations of drugs including antibiotics, pain relievers, heart and psychiatric drugs, and veterinary medicines. Here's the list of drugs and some of their uses:

_Amoxicillin _ for pneumonia, stomach ulcers
_Azithromycin _ for pneumonia, sexually transmitted diseases
_Bacitracin _ prevents infection in cuts and burns
_Chloramphenicol _ for serious infections when other antibiotics can't be used
_Ciprofloxacin _ for anthrax, other infections
_Doxycycline _ for pneumonia, Lyme disease, acne
_Erythromycin _ for pneumonia, whooping cough, Legionnaires' disease
_Lincomycin _ for strep, staph, other serious infections
_Oxytetracycline _ for respiratory, urinary infections
_Penicillin G _ for anthrax, other infections
_Penicillin V _ for pneumonia, scarlet fever, infections of ear, skin, throat
_Roxithromycin _ for respiratory, skin infections
_Sulfadiazine _ for urinary infections, burns
_Sulfamethizole _ for urinary infections
_Sulfamethoxazole _ for traveler's diarrhea, pneumonia, urinary and ear infections
_Tetracycline _ for pneumonia, acne, stomach ulcers, Lyme disease
_Trimethoprim _ for urinary and ear infections, traveler's diarrhea, pneumonia

_Acetaminophen _ soothes arthritis, aches, colds; reduces fever
_Antipyrine _ for ear infections
_Aspirin _ for minor aches, pain; lowers risk of heart attack and stroke
_Diclofenac _ for arthritis, menstrual cramps, other pain
_Ibuprofen _ for arthritis, aches, menstrual cramps; reduces fever
_Naproxen _ for arthritis, bursitis, tendinitis, aches; reduces fever
_Prednisone _ for arthritis, allergic reactions, multiple sclerosis, some cancers

_Atenolol _ for high blood pressure
_Bezafibrate _ for cholesterol problems
_Clofibric acid _ byproduct of various cholesterol medications
_Diltiazem _ for high blood pressure, chest pain
_Gemfibrozil _ regulates cholesterol
_Simvastatin _ slows production of cholesterol

_Carbamazepine _ for seizures, mood regulating
_Diazepam _ for anxiety, seizures; eases alcohol withdrawal
_Fluoxetine _ for depression; relieves premenstrual mood swings
_Meprobamate _ for anxiety
_Phenytoin _ controls epileptic seizures
_Risperidone _ for schizophrenia, bipolar disorder, severe behavior problems

_Caffeine _ found in coffee; also used in pain relievers
_Cotinine _ byproduct of nicotine; drug in tobacco, also used in products to help smokers quit
_Iopromide _ given as contrast agent for medical imaging
_Nicotine _ found in tobacco, also in medicinal products to help smokers quit
_Paraxanthine _ a byproduct of caffeine
_Theophylline _ for asthma, bronchitis and emphysema

_Carbadox _ for control of dysentery, bacterial enteritis in pigs; promotes growth
_Chlortetracycline _ for eye, joint, other animal ailments
_Enrofloxacin _ for infections in farm animals and pets; treats wounds
_Monensin _ for weight gain, prevention of severe diarrhea in farm animals
_Narasin _ for severe diarrhea in farm animals
_Oleandomycin _ for respiratory disease; promotes growth in farm animals
_Salinomycin _ promotes growth in livestock
_Sulfachloropyridazine _ for enteritis in farm animals
_Sulfadimethoxine _ for severe diarrhea, fowl cholera, other conditions in farm animals
_Sulfamerazine _ for a range of infections in cats, fowl
_Sulfamethazine _ for bacterial diseases in farm animals; promotes growth
_Sulfathiazole _ for diseases in aquarium fish
_Tylosin _ promotes growth, treats infections in farm animals, including bees
_Virginiamycin M1 _ prevents infection, promotes growth in farm animals