- Mar 07 Fri 2014 05:10
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動物用藥的物種差別
- Mar 06 Thu 2014 06:13
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簡單認識動物的藥物動力學
- Mar 03 Mon 2014 08:49
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Comparative Presentation and Treatment of Common Toxic Exposures in Human Beings and Other Animals 人類與小動物常接觸的毒性物質比較表

Toxic Exposure
Human Beings
Dogs
Cats
Birds
Treatment
Ethylene glycol (antifreeze)
Intoxication/ CNS depression, metabolic acidosis, oxalate crystals in urine, respiratory/ cardiac difficulty, renal failure, cerebral edema
(LD 4.4 cc/kg)
30 min-12 hr after ingestion: polyuria, polydipsia, CNS depression, ataxia, vomiting, oxalate crystals in urine
36-72 hr after ingestion: oliguria, lethargy, coma
(LD 1.4 cc/kg)
30 min-12 hr after ingestion: CNS depression, ataxia, vomiting, polyuria, oxalate crystals in urine
12–24 hr after injection: oliguria, lethargy, coma, swollen/ painful kidneys
(poultry LD 7-8
cc/kg)23 CNS depression,
ataxia
Fluids, supportive
care
In human beings and dogs, fomepizole to inhibit ADH
In cats, ethanol to inhibit ADH
Dialysis effective for renal insufficiency in human beings
Household cleaners Chlorine bleach, ammonia, others
nhalation: respiratory irritation (fumes): coughing, gagging, sneezing, asthma
Ingestion: GI distress, vomiting
Dermal: skin irritation
Ingestion: vomiting, hypersalivation, depression
Inhalation: coughing, gagging, sneezing
Pulmonary irritation, retching, coughing
Concentrated ammonia: seizures and death within 5 minutes
Respiratory irritation, death
Removal from exposure, substitution of less irritating cleaning agents, supportive care of irritation
Slug bait (metaldehyde)
Toxic level not known; most ingestions not serious
Salivation, nausea, vomiting, abdominal pain, tachycardia can occur
Immediate to 3 hr after ingestion:
Convulsions, tremors, hyperthermia, hyperpnea, vomiting, cyanosis, depression, ataxia, seizures, death
LD50 (ingestion) 100 mg/kg in dogs, 207 mg/kg cats11
LD50 500 mg/kg (chickens)
Remove from GI tract, activated charcoal; control seizures, spasms; treat acidosis
Plants
Many plants with low toxicity
Many plants toxic to animals, including lilies, azaleas, rhododendron
Oleander (cardiac glycosides)
Dizziness, nausea, cardiac arrhythmias
Vomiting, diarrhea, cardiac toxicity (tachycardia, heart block)
GI decontamination, activated charcoal Cardiac monitoring,
digoxin-specific Fab fragment
Mushrooms, toadstools (Amanita toxin
Amanita: Liver, kidney toxicity: vomiting, pain, jaundice
GI decontamination, activated charcoal
Rodenticides
Warfarin and related compounds
Bleeding
Anemia, spontaneous bleeding, hematomas, melena
GI decontamination, charcoal, vitamin K
Bromethalin
Altered mental status, seizures
Hindlimb ataxia, tremors, hyperthermia, seizures, coma
GI decontamination, treatment of cerebral edema
Teflon fumes (PFOA)
Polymer fume fever (flulike symptoms)
None known
Respiratory distress, death
Remove from exposure, supportive care
- Mar 02 Sun 2014 07:06
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Partial List of Foods Toxic to Companion Animals 會造成動物食物中毒的部份清單

Food (Ingredient)
Toxic Effect in Dogs
Toxic Effect in Cats
Alcoholic beverages
Ataxia, respiratory
depression, cardiac abnormalities,
death (acute toxicity with 5-8 mL/kg; oral LD50 5500 mg/kg in dogs)
Ataxia,respiratory
depression,
cardiac abnormalities,
death (acute toxicity with 5-8 mL/kg)
Avocado (persin)
Vomiting, diarrhea
None known
Chocolate
Vomiting, diarrhea, tremors, seizures, death (250-500 mg/kg LD50 in dogs)
Vomiting, diarrhea, tremors, seizures, death (200 mg/kg LD50 in cats)
Coffee (all forms)
Vomiting, diarrhea, tremors, seizures, death (LD50 140-150 mg/kg in dogs
Vomiting, diarrhea, tremors, seizures, death (LD50 100-150 mg/kg in cats)
Fatty foods
Steatorrhea, diarrhea, obesity, pancreatitis
Steatorrhea, diarrhea, obesity
Macadamia nuts
Vomiting, depression, ataxia (2.2 g/kg)
None known
Moldy foods (tremorgenic mycotoxins)
Muscle tremors, seizures
Muscle tremors, seizures
Onions, onion powder, garlic, leeks, chives (propyl disulfide)
Hemolysis (11 g raw onions/kg)
Hemolysis (28 g raw onion/kg)
Raisins and grapes
Acute renal failure(no apparent doseresponse)
None known
Yeastdough(ethanol)
Abdominaldistention, ethanoltoxicosis
Abdominaldistention, ethanoltoxicosis
- Feb 19 Wed 2014 09:54
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[好站推薦]Clinical Veterinary Toxicology 臨床獸醫毒理學
- Feb 14 Fri 2014 06:34
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Doses and intervals for NSAIDs in animals 動物使用NSAID的劑量與藥效
- Feb 13 Thu 2014 10:21
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Doses and intervals for opioids and anaesthetics in small animals 使用在小動物的麻醉止痛藥的劑量和藥效

Epidural actions of local anaesthetics in the dog
Drug
Onset (min)
Duration (min)
Lignocaine 2%
5
45-90
Mepivacaine 2%
5
60-90
Bupivacaine 0.5%
20
120-360
Ropivacaine 0.5%
15
90-420
- Jan 29 Tue 2013 08:08
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Suggested antibacterial drug selection for canine and feline infections 貓與狗感染的抗生素選擇建議
- Jul 19 Tue 2011 05:02
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[WebMD]狗可以吃巧克力嗎?

大部份的人都聽過巧克力會讓狗生病,但風險有多大呢?
如果你的狗在家裡的地位已經超越寵物,逼近家人的程度,你可能會想要把家人愛吃的東西分給牠吃吧。
雖然有些人吃的食物是溫和的,但絕對不包括巧克力。獸醫師表示,巧克力會讓狗生病,甚至死亡,是最常見的狗中毒原因之一。黑巧克力與烘焙巧克力是最危險的;牛奶巧克力與白巧克力的風險則比較不嚴重。
因為巧克力含有可可鹼,獸醫師Kevin Fitzgerald博士表示,問題出在狗對可可鹼的代謝速度比人類慢多了,吃巧克力對人類的作用可能持續20-40分鐘,但對狗可能會持續數小時,狗在吃了巧克力17小時後,體內還會留存一半的可可鹼。
可可鹼對貓也很毒,但很少有貓可可鹼中毒的案例,因為牠們很少去吃巧克力;但狗卻是什麼都吃,即使是少量巧克力也會讓狗嘔吐與腹瀉,真正中毒的劑量會導致過動、顫抖、高血壓、心跳過快、癲癇、呼吸衰竭、以及心臟驟停等症狀。
產品中含有的可可鹼越多,對狗就越毒;不甜的烘焙巧克力每盎司含有約390毫克的可可鹼,是牛奶巧克力的10倍以上‧半甜巧克力的1倍以上。
根據默克獸醫藥典,每磅體重吃1盎司牛奶巧克力是可能致死量,但真正危險的是黑巧克力,每公斤(2.2磅)體重攝取115毫克可可鹼就會死亡。Fitzgerald博士表示,1隻22磅的狗只要吃20盎司的牛奶巧克力、10盎司的半甜巧克力、或只要2.25盎司的烘焙巧克力就會死亡;每公斤體重消化約100-150毫克的可可鹼就會有嚴重中毒反應。
例如:1隻9磅的狗在吃了1盎司的烘焙巧克力、3盎司的半甜巧克力、或9盎司的牛奶巧克力後會有中毒症狀。
Fitzgerald博士執業27年,看過2起狗因為吃巧克力死亡的案例,2隻狗都不到20磅、都很老、都是吃非常大量的烘焙巧克力;雖然大部份的人不會吃4盎司的苦味烘焙巧克力,但狗就不一定了,烘焙巧克力對牠們來說味道不錯。
獸醫在接到飼主打來問狗吃到巧克力該怎麼辦時,通常會問飼主,牠吃了多少、是吃哪一種巧克力、狗的體重多少;像是如果有隻60磅的黃金獵犬吃了1包Hershey巧克力,那還不需要太擔心,狗可能只會胃痛而已。
狗在吃了會中毒的巧克力劑量後,通常會嘔吐並開始拉肚子,如果牠沒有嘔吐的話,獸醫會建議立刻催吐,盡量讓可可鹼不要進入系統內;可可鹼中毒的症狀通常會在吃巧克力之後24小時內發作。
當狗有過動不安或發作時,要盡快帶牠去看獸醫,但目前沒有針對巧克力中毒的解毒劑,通常會給予流質加上靜脈注射藥劑,避免發作並保護心臟。
大多數的人都不知道,那些越來越普遍的美化景觀用可可豆殼覆蓋物對狗來說跟巧克力一樣危險。Terry與Dawn Hall所鍾愛的1隻105磅的狗,在幾年前因為吃了8盎司的可可豆殼覆蓋物而死亡,這對夫妻主動聯繫明尼蘇達州的參議員Scott Dibble,他提案要求賣可可豆殼覆蓋物需提出對狗有潛在危險的警示,這個提案在州議會通過,但被州長否決。
Dibble表示,據他瞭解,可可鹼很容易從可可覆蓋物中去除,有些工廠有做,有些沒有,但消費者也沒有辦法知道他們買的東西是否有經過處理。
資料來源:http://www.24drs.com/webmd/chinese_t.asp?page=1&who=201107121




