Drug acting on Gastrointestinal system
1. Antiemetic drug
Classification of antiemetic drug
1. Anticholinergic drug
2. H1 antihistaminics drug
3. Neuroleptic drug
4. 5HT3- antagonists drug
5. Prokinetic drug
6. Adjuvant antiemetics
1. Anticholinergic drugs
Hyoscine
Dicyclomine
2. H1 antihistaminics drugs
Promethazine
Diphenhydramine
Cyclizine
Meclozine
Cinnarizine
Doxylamine
3. Neuroleptic drug
Chlorpromazine
Prochlorperazine
Haloperidol
4. 5HT3- antagonists drug
Ondansetron
Granisetron
Dolasetron
5. Prokinetic drug
Metoclopramide
Domperidone
Cisapride
Mosapride
Tegaserod
6. Adjuvant antiemetics
Dexamethasone
Benzodiazepines
Cannabinoids
2. Drug used in petic ulcer
Classification of anti-ulcer drug
1. Drug for reduction of gastric acid secretion
a. H2 antihistamines
Ranitidine
Cimetidine
Fomatidine
Roxatidine
Nizatidine
b. Proton pump inhibitors
Pantoprazole
Omeprazole
Rabeprazole
Esomeprazole
Lansoprazole
Dexlansoprazole
c. Ulcer protectives
Sucralfate
Bismuth subsalicylate
d. Anti Helicobactor pylori
Amoxicillin
Clarithromycin
Metronidazole
Tinidazole
Tetracycline
e. Anticholinergic drugs
Pirenzepine
Propantheline
Oxyphenonium
f. Prostaglandin analogues
Misoprostol
2. Neutralizing agent; drug to neutralize gastric acid
1. Antacids
a. Systemic effect
Sodium bicarbonate
Sodium citrate
b. Non-systemic effect
Aluminium hydroxide
Calcium carbonate
Magnesium hydroxide
Magnesium trislicate
3. Drug used in constipation
Drugs for Constipation
1. Bulk laxatives
2. Fecal softener
3. Stimulant purgatives
4. Osmotic purgatives
1. Bulk laxatives
Dietary fiber
Bran
Methylcellulose
Ispaghula husk
2. Fecal softener
Liquid paraffin (emollients)
DOSS (Docusat sodium)
3. Stimulant purgatives
a. Diphenylmethanes
Phenolphthalein
Bisacodyl
Sodium picosulfate
b. Anthraquinones (Emodins)
Senna, cascara, sagrada
c. 5- HT4 agonist
Tegaserod
d. Fixed oil
Castor oil
4. Osmotic purgatives
Magnesium salts
Sodium salts
Lactulose
Sorbitol
4. Diarrhoea Treatment /Anti-diarrhoeal drugs
1. Absorbents
2. Antiperistalsis drugs
3. Miscellaneous drug
4. Antispasmodics
5. Specific or non-specific antimicrobial drug
1. Absorbents
Kaolin and pectin
Activated charcoal
Chalk
2. Antiperistalsis drugs
Loperamide
Opiate (codeine)
3. Miscellaneous drug
Lactobacillus
Rececadotril
4. Antispasmodics
Atropine
Drotaverine
Hyoscyamine
5. Specific or non-specific antimicrobial drug
1. Traveler's diarrhoea
Erythromycin
Norfloxacin
Co-trimoxazole
Azithromycin
2. Shigella
Ampicillin
Nalidixic acid
3. Salmonella typhi
Fluoroquinolones
Co-trimoxazole
Ampicillin
4. Yersinia enterocolitica
Ciprofloxacin
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