Analgesics and Anti-pyre tics

Thursday, December 16, 2010



1. Salicylates

Acetyl-salicylic acid
Sodium salicylate
Methyl salycilate
Salicylic acid

2.Para- aminophenol derivatives

Paracetamol
Phenacetin


3. Pyrazolon derivatives

Phenyl butazone
Oxypehenbutazone
Aminopyrine
Antipyrine

 4. Propionic acid derivatives

Ibuprofen
Ketoprofen

5. Miscellaneous

Indomethacin
Diclofenac sodium
Nimesulide
Mefenamic acid
Metamizole

Opioid analgesics



1. According to ring structure

A . Phenanthrene derivatives

Morphine
Codeine
Thebaine

B . Benzo-isoquinoline derivatives

Papaverine
Noscapine

11. According to synthesis

A. Natural opium alkaloids

Morphine
Codeine

B. Semi synthetic opium alkaloids

Heroine
Pholcodeine

C. Synthetic opiods

Pethidine
Methadine
Tramadol

Hypnotics and sedatives



Hypnotics are drugs which produce sleep resembling natural sleep

Sedatives are drugs which reduce excitement without producing sleep
                                                                                                      
  1. Barbiturate derivatives
  2. Non – barbiturate derivatives
 
1 .Barbiturate derivatives

A. Long acting barbiturates   (8 -12 hours )

 Phenobarbitone
 Mephobarbitone
 Methylphenobarbitone
 Barbitone

B. Intermediate acting barbiturates

Amylobarbitone
Butobarbitone
Allobarbitone
Vinbarbitone

 C. Short acting barbiturates
 Pentobarbitone
Secobarbitone
Cyclobarbitone
Hepatobarbitone
  
D. Ultra short acting barbiturates
 Thiobarbitone
Hexabarbitone
Methobarbitone


2. Non –barbiturate derivatives


A. Benzodiazepines

Diazepam
Oxazepam

B. Chloral derivatives

Chloral hydrate
Chloral formamide
Butyl chloral hydrate

C. Aldehydes

Paraldehyde

D. Bromides

Potassium bromide
Sodium bromide
Ammonium bromide

E. Alcohols

Ethyl alcohol
Tribromoehamol
Amylene hydrate


F. Piperidine derivatives

Glutethimide
Methyprylon

Ganglionic blocking agents


1. Selective blocking agents

Nicotine
Lobeline
Dimethyl phenyl piperazinium iodide (DMPP)
Tetra methyl ammonium (TMA)


2. Non selective  muscarinic agonists

Acetylcholine
Carbachol
Pilocarpine
Anticholinesterases

Ganglionic Blocking Agents



These drugs inhibit the passage of nerve impulse from preganglionic neurons to postganglionic neurons

 Classification depend upon of the mode of action

1. Competitive blockers

A. Quaternary ammonium compounds

Hexamethonium
Pentolinium

B. Amines
Mecamylamine
Pempidine

C. Monosulfonium compound
Trimethaphan camforsulfonate


11. Non competitive agents

Nicotine
Procaine
Hemicholinium