OTC Exam Flashcards
Name the nine products liable to abuse and how?
Acetone: Can be abused as a solvent, often found in nail varnish removers.
Aerosols: Solvent based sprays can be sniffed.
Laxative Tablets: Could be inappropriately used by dieters.
Citric Acid: Used to dilute illicit, strong, addictive drugs. (E.g. Heroin.)
Paracetamol: Could be used in suicide attempts.
Codeine: Addiction is common
Night Nurse: Dependence can develop to the ingredient Dextromethorphan.
Antihistamines: Some cause drowsiness and can be abused (e.g. Nytol, Phenergan).
Ephedrine & Pseudoephedrine: These medicines can be used to make Methamphetamine.
Give four lifestyle reasons why heartburn and indigestion can occur:
Eating spicy/ fatty food
Drinking alcohol/ smoking
Overweight
Stress
How to antacids work?
Neutralises the stomach acid which may be causing the irritation.
Give two examples of antacids
Sodium Bicarbonate or Magnesium salts
How do alginates work?
Increases the viscosity of stomach acid to protect the oesophageal mucosa
Give two examples of alginates:
Sodium alginate or alginic acid
How do H2- Antagonists work?
Reduce gastric acid output by blocking H2 receptors.
Give two examples of H2- Antagonists:
Cimetidine, Famotidine
How do proton pump inhibitors work?
Inhibits the gastric acid secretion by blocking the proton pump of the gastric parietal cell.
Give two examples of proton pump inhibitors:
Esomeprazole
Lansoprazole
What are the most common side effect for all heartburn treatments?
Constipation, diarrhoea
Give three causes of constipation:
Poor diet
Inadequate fluid intake
Pregnancy
Name the four type of constipation treatment:
Bulk Forming Laxatives
Stimulant Laxatives
Osmotic Laxatives
Faecal Softeners
Give an example of a bulk forming laxative:
Methylcellulose
Give an example of a stimulant laxative
Bisacodyl
Give an example of an osmotic laxative:
Lactulose
Give an example of a faecal softener:
Glycerol
How long does acute diarrhoea last for?
Less than seven days
How long does persistent diarrhoea last for?
More than 14 days
Give the most common diarrhoea relief treatment and how does it work?
Loperamide, works on the opioid receptors in the gut which slows the passage of food so that more water can be absorbed from the GI tract
What are the three possible reasons for colic?
Trapped wind from feeding or crying.
Lactose sensitivities
Painful cramps due to an underdeveloped GI system
Give four symptoms of colic:
An inability to be soothed.
Drawing up of legs or arching the back.
Flushed face.
Crying or fussing at similar times of day (very often morning or evening).
Give two treatments for colic:
Simeticone and lactase enzymes
What does COPD stand for?
Chronic Obstructive Pulmonary Disease
What are the three main types of cough mixture and what type of cough are they used for?
Expectorants, useful in chesty coughs.
Suppressants (Antitussives), useful in dry coughs.
Demulcents, can be used in any type of cough but particularly useful if tickly or irritating.
Give two examples of expectorants:
Guaifenensin.
Ipecacuanha.
Give two examples of demulcents:
Glycerin
Honey and lemon
Give one example of a nasal decongestant:
Xylometazoline nasal spray
Give an example of sore throat relief treatment:
Benzocaine throat spray
How much pseudoephedrine and ephedrine are you legally allowed to sell up to OTC?
720mg of Pseudoephedrine
180mg of Ephedrine
What is a tension headache?
Episodic or Chronic. Infrequent or frequent. Generalised and non-throbbing. Described as a tightening or weight pressing down. Gradual onset that gets progressively worse. Often due to posture, stress, tiredness
What is a migraine with aura?
Only 25% of migraine sufferers experience this, with most auras being visual and can last for a maximum of an hour. These can come in different forms and once this experience is over, the patient normally experiences the headache, which this can be moderate pain or severe.
What is a migraine without aura?
This is the most common type of migraine affecting 75% of migraine sufferers. They will normally experience nausea, fatigue and difficult to concentrate.
What is a sinus headache?
The pain of this is normally quite localised and can happen near the eyes (orbital) and nose.
What is a cluster headache?
These types of headaches more typically affect men over the age of 30 and can range between 10 minutes and 3 hours. It is an intense pain which is mainly orbital centred. Alcohol is known to trigger a cluster headache.
How does paracetamol work?
Thought to inhibit the production of Prostaglandins and also reduces fever.
How do NSAIDs work?
Blocks the enzyme COX which helps to make Prostaglandins.