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HOW TO PRACTICE
O.T.C
Presented byKhaled Sobhy
Aim Of These LECTURES
“JUST PUT ME ON THE ROAD”
*How to deal with different symptoms
*When to give OTC drugs
*Practical example of OTC drugs in Egypt
*Examples of OTC prescriptions
GIT symptoms
blood
cancer
GIT surgery
Pregnancy
< 3mexclude
Other symptoms locationdiagnosis
1-Abdominal pain
Abdominal pain
Menstrual pain
Renal stone & renal infection
Gastroenteritis & appendicitis
Gastritis & gall bladder disorderUpper side
Fever & vomiting
Back pain & urine problem
Expect menses
Gas production & spasm Spastic colon
yes
No
yes
yes
yes
yes
No
No
No
NoantispasmodicOnly spasm
Gall bladder
Right sideFatty meal
Gastritis& GERD
Central painMilk & antacidNSAID & Cs
Upper abdomen
Renal stone
No feverDark pinkish colour
Flow interruption
U.T.I
FeverPain on urinatin
Frequency
1-Back pain & urine problem
appendicitis
Tender palpitationRight side
gastroenteritis
diarrhoea left side
2-Vomiting & fever
Gastritis
-Avoid Acidic food or hyperosmolar food “orange, bear, Milk, tomato”
-Avoid smoking, tea, coffee, and stress
-avoid NSIAD or Cs use without physician contact
treatment
1 -antacids
2 -H2 blockers
3 -proton pump inhibitors
They neutralize acids which already produced (symptomatic treatment)
It includes Na+, mg++, Al+3 salts, may be combined It includes Na+, mg++, Al+3 salts, may be combined with with Simethicone (Anti flatulence)
-Tablets should be chewed thoroughly to obtain optimum effects .
- they should be taken after meals to neutralize gastric
acid secretion
Antacids
They neutralize acids which already produced (symptomatic treatment)
It includes Na+, mg++, Al+3 salts, may be combined It includes Na+, mg++, Al+3 salts, may be combined with with Simethicone (Anti flatulence)
-Tablets should be chewed thoroughly to obtain optimum effects .
- they should be taken after meals to neutralize gastric
acid secretion
antacids
antacids
Prevent about 70% of acid production.
Examples-:
Ranitidine150 mg twice daily at breakfast and bed time
300 mg at bed time
Famotidine20 mg twice daily at breakfast and bed time
40 mg at bed time
H2 Blockers
ranitidine
famotidine
-They inhibit > 90% of gastric acid secretion
-PPI are taken once daily before breakfast
-PPI should not be use more than 2 months without separation
Examples-: ex:- Omeprazoleex:- Pantoprazole
Proton pump inhibitors
omeprazole
pantoprazole
Alucal chewable tabاألكل 2 – 1 بعد تمضغ يوميا 3قرص مرات
Zantac 150mgالنوم وقبل األكل قبل صباحا* قرص
Omepral 20 mgيوميا الريق على صباحا* قرص
Example of OTC prescription:
antispasmodics
1 -Atropine like derivatives: EX 1 :- Hyoscine ( Buscopan).
EX 2: Dicyclomine ( Spasmorest )
EX 3: Tiemonium ( Visceralgine )
EX4: Clidinium Br. ( Librax )
2-Papaverine like derivatives:
EX 1: Drotaverine ( Do-Spa) EX 2: Papaverine ( Vasorin )®
Atropine like derivatives
papaverine like derivatives
Example of OTC prescription:
Buscupan Tab
األكل 3قرص قبل مرات
vomiting
Motion sickness
Drug induced vomiting
Fever, abdominal pain
on traveling long distance
On starting drug use
Give anti emetic
yes
No
yes
yes
No
No
Gastroenteritis & appendicitis
*It refers to nausea & vomiting on long distance travel .
-Avoid reading in cars & ships .
-Shift the field of vision to objects out side vehicles .
Motion sickness
Prevention:
Treatment of motion sickness
Antihistaminic drugs as: Cyclizine (Emetrex) ®
Dimenhydrinate (Draminex)®
Meclozine (Navoproxine) ®
Side effects -:
Sedation & Drowsiness
Drugs should be taken 30 min before trip.
antihistaminic
Example of OTC prescriptionmotion sickness
Draminex tabاللزوم 1-2 عند قرص
Anti emetics
3-Metoclopramide
22--DompridoneDompridone::
Not show CNS side effects of metoclopramide.
11--AntihistaminicAntihistaminic: :
domperidonemetoclopramide
Example of OTC prescription for vomiting
primepran tabاللزوم 1-2 عند قرص
diarrhea
dysentery
GastroenteritisFever & vomiting
Tensmus & offensive odour, Pain on defecation& small quantity stool
Gas production & spasm May constipation Spastic colon
yes
Noyes
yesNo
NoDrug induced
Dietary induced
On starting drug use
On changing milk type
Give anti diarrheal drug
yesNo
yes
No
Parasite infection is characterized by diarrhea, abdominal cramps, anorexia, and offensive odour,
pain on defecation. So treated by antiprotozoal as:
Metronidazole
Diloxanide
Secindazole
Tibindazole
Dysentery
Secindazole Diloxanide
Tibindazole
metronidazole
Example of OTC prescription
Furazole suspاالكل 3مل 10 - 5 بعد يوميا* مرات
Fladazole tab
و 2 الفطار بعد العشاء 2قرص بعد قرص
Antidiarrheal drugs
1-antibacterial agent
2-adsorbent
3-drugs inhibit GIT motility
4-Rehydrin solution
Nifuroxazid& Sulfa drugs
if fear of infection
1-antibacterial agent
Acts by adsorption of bacteria, toxin & noxious materials e.g.:
EX 1 : Kaolin & pectin “kaopectate”
2-adsorbent
3- drugs inhibit motility
EX 1 : Loperamide (lmodium)® EX 2 : Disphenoxylate (Lomotil)®
Avoid using alone in fear of infection
-Not affect diarrhea frequency or duration but only replace electrolyte loss preventing possible dehydration.
-It contains Na, K, Ca, Mg, citrate, carbohydrate, Cl--,
HCO3 & Zn e.g. : (Rehydran N, Rehydran Zn)®
4-rehydrin
Example of OTC prescription
Kapect susp
االكل 3مل 10 - 5 قبل يوميا* مرات ِAntinal susp
االكل 3مل 10 - 5 قبل يوميا* مرات
constipation
Spastic colon
Drug induced
Rectal pain, itching, prolapse
Gas production ,spasm, may diarrhea
On starting drug use
Give laxative
yes
No
yes
yes
No
No
hemorrhoid
Prevention of constipation
-increase fluid intake .
-increase dietary fibers. food contains low fibers lead to constipation. e.g. (ice cream– cheese)
-increase exercise: exercise promotes bowel motion .
-returning defactory habits
-Avoid tea , coffee
Laxatives
1-Mineral oil (paraffin oil )
Impair absorption of fat soluble vitamins, Late onset
2-osmotic laxatives (lactulose)Watery bowel movement, so risk of dehydration & diarrhea
3-stimulant laxatives (castor oil)
rapid onset specially suppositories
osmotic laxatives
stimulant laxatives
Lactulose syrup
االكل قبل كبيرة يوميا 3ملعقة مراتPicolax drops
اللزوم 15 عند ماء كوب نصف على نقطة
Example of OTC prescription