ANALGESICS Flashcards
PAra- aminophenols
effects:
Organ:
Anti-pyretic & Analgesic
Liver
inhibit prostaglandin going hypothalamus
Antipyretic
Main advantage non-narcotic
narcotics
- Non- narcotic- drug dependence
2. Narcotics- alleviates severe pain
safest non narcotic drugs
Pregnant & Hemophilia
No GI Irritation
Acetaminophen ( Paracetamol)
Adverse Effect of Acetaminophen (Paracetamol)
Antidote:
Contraindicated:
Hemolytic Anemia
Hepatic Necrosis
N- acetylcysteine
Hangover
Phenacetin
Orgin:
Active Components
Adverse Effect:
Acetanalidine
acetaminophen
Methemoglobinemia- no O2 in the blood
Signs of Methemoglobinemia
Cyanosis
Dyspnea
Anemia
maximim dose of Acetaminophen
4000 (8tablets)
NSAIDS effect: Maximum dose/day: Contraindications: MOAs
Anti-inflammatory & Analgesic 3,600mg Asthma ; Chronic Kidney Disease * Inhibit prostaglandin synthesis * interfere with platelet function * cause peptic ulcerations
less GI effect:
Most GI effect
No GI
Ibuprofen
Aspirin
Acetaminophen
Tx. Gouty Arthritis
Allopurinol- decreases uric acid
anti inflammatory of Gout
Pyrazolone
most potent inhibitor of Prostaglandins
Cox- inhibitor
used internally & px with allergy to apirin
Sodium salicylate
used in dysmenorrhea
Phenylpropiomic Acid derivative
least potent inhibitor of prostaglandins, Mainly in GIT that produces GI irritation, Main concern drug in patients with coronary artery disease
Aspirin
active component of Aspirin
Acetyl salicylic Acid
Reye’s Syndrome
Liver= Hepatitis
Brain= Encephalitis
Middle ear= Otitis Media
Aspirin
antidote
Sodium Bicarbonate
most potent inhibitor cyclooxygenase / prostaglandin
Cox2 inhibitor
Px. taking aspirin
⬆️ bleeding time
Stop aspirin for 7 days
acquired tolerance from repeated exposure to a particular stimulus
Habituation
phenomenon of decreased responsiveness to a drug ff. chronic administration
Tolerance
came from poppy plant
Opioid (Opiates)