Toxic Effects

Possible Toxic Effects

Toxic Effects of Straw

Oregon produces 70% of the world supply of cool season grass seed, including tall fescue (Lolium arundinaceum) and perennial ryegrass (L. perenne). About 225,000 ha of grass seed are currently in production in Oregon. Traditionally, the seed was harvested in June and July and the straw residue in the fields was burned during July and August. Today, the straw is harvested and used for animal fee...

Toxic Reactions and Side Effects

Although effective in maintaining relatively normal levels of blood pressure in hypertensive patients and retarding some of the serious and fatal secondary consequences of the disease, hexamethonium ion and 1-hydrazinophthalazine can cause severe immediate and late reactions. The latter drug has produced collagen diseases of varying degrees of severity, all of which have regressed on cessation ...

Toxic Effects of Antithyroid Drugs *

The first studies on thiourea in this department were undertaken for reasons quite apart from the purposes for which it is now used. It had been reported that this compound distributed itself uniformly throughout the fluids of the body, that it was excreted like urea and could be recovered in the urine, completely, unchanged.31 These characteristics, if they could be verified, would make thiour...

The Toxic Effects of Emetine

are rapidly fatal. With medium doses the pathological changes are more marked, more time being allowed for their production. With smaller doses it takes longer to produce the same pathological changes, indicating a cumulative action of the drug. There is probably no threshold of safety when the drug is administered continuously. It should be realized that emetine attacks all tissues and therefo...