What are advantages of liquid dosage form? 

1 Answer

Answer :

i) Usually faster acting than the solid dosage forms

ii) Maybe easier to take than an oral solid dosage form for patients having difficulty in swallowing tablets or capsules.

iii) More flexibility in dosage than some other dosage forms.

iv) May be more practical to administer than solid dosage forms for specific patient cases.

v) Good patient compliance.

Related questions

Description : Define tablet as a dosage form along with advantages and disadvantages.

Last Answer : Definition:  Tablets are solid unit dosage form containing medicament or medicaments usually circular in shape and may be flat or biconvex. Advantages:   1. Easy to administered. 2. Easy to ... . 4. Bioavailability is low. 5. Bitter- tasting drugs, moisture sensetive drugs requires coating.

Description : Define capsule as a dosage form along with its advantages and disadvantages. 

Last Answer : Definition: Capsule: Capsules are a solid unit dosage form in which the drug substances are enclosed in a water soluble shell or an envelope. Advantages of capsules:  1. Drugs ... 2. Concentrated preparation which needs dilution before administration cannot be given in form of capsule.

Description : Classification of liquid dosage formas

Last Answer : Classification of liquid dosage formas

Description : Define ‘drug’ and ‘dosage form’. 

Last Answer : i. Drug: A chemical agent intended for use in the diagnosis, mitigation, treatment, cure or prevention of disease in man or in other animals.   ii. Dosage Form: Dosage form is a ... of a pure chemical compound into a predetermined form by admixing drug components with non drug components. 

Description : Write importance of dosage form.

Last Answer : Transformation of drug into dosage forms is done for the following reasons: 1. To protect the drug substance from oxidation, hydrolysis and reduction. Eg. Coated tablets and sealed ampoules. ... . Many dosage forms can be easily identified from their distinct colour, shape or identifying markings.

Description : Define and classify dosage form.

Last Answer : Defination: Is a combination of the drug and different kinds of non drug components called additives.  

Description : Explain why there is need of different dosage form.

Last Answer : Need of dosage forms : 1. To protect drug substances from oxidation, hydrolysis, reduction etc.eg. coated tablets, sealed ampoules etc. 2. To protect the drug from destructive ... Sustained release action to control the release mechanism. Eg. Sustained release tablets, capsules and suspensions.

Description : Define the following terms:  (i) Drug (ii) Dosage forms (iii) Excipients

Last Answer : (i) Drug- A chemical agent intended for use in the diagnosis, mitigation, treatment, cure or prevention of disease in man or in other animals. (ii) Dosage forms- Dosage form is a ... along with Active Pharmaceutical Ingredients make up the dosage forms. Eg. suspending agent ,emulsifying agent etc.

Description : The comparison of bioavailability between two dosage forms is refereed as____________ A. Bioavailability B. Biopharmaceutics C. Biological D. Bioequivalence

Last Answer : D. Bioequivalence 

Description : Name some of the modern dosage forms.

Last Answer : 1. Implants 2. Liposome drug carriers 3. Nanoparticles 4. Prodrugs 5. Films and strips 6. Erythrocytes 7.Controlled drug delivery system 8.Sustained release system

Description : Give any three importance of dosage forms. Differentiate between Mouthwash and Gargle.

Last Answer : Importance of dosage forms : 1. To protect drug substances from oxidation, hydrolysis, reduction etc.eg. coated tablets, sealed ampoules etc. 2. To protect the drug from destructive effect of ... mouth wash, Listrin. 6. Examples: Phenol gargle, potassium chlorate gargle, Betadine.

Description : Define (i) Drug (ii) Dosage forms

Last Answer : (i) Drug- A chemical agent intended for use in the diagnosis, mitigation, treatment, cure or prevention of disease in man or in other animals.  (ii) Dosage forms- Dosage form is a ... of a pure chemical compound into a predetermined form by admixing drug components with non- drug components. 

Description : What are NDDS? Differentiate between sustained and controlled release dosage forms.

Last Answer : NDDS:  New drug delivery system delivers or aimed at maximizing the drug effectiveness or minimizing the side effects. Some of the Novel dosage forms are: 1) Implants 2) Controlled drug delivery system 3) ... drug. 6 e.g. sustain release tables. e.g. Transdermal patches. 

Description : Define drug. Classify different types of dosage forms with examples

Last Answer : Drug- A chemical agent intended for use in the diagnosis, mitigation, treatment, cure or prevention of disease in man or in other animals.

Description : Draw a well labelled diagram of aerosol container and give its advantages and disadvantages.

Last Answer : Diagram of aerosol container Advantages:   1. Medicament can be delivered directly to affected areas. 2. Absence of air prevents oxidation. 3. Hydrolysis of medicament prevented ... on injured skin. 4. Difficulties occurred during formulation when drug not soluble in propellants.

Description : Write the advantages and disadvantages of glass as a material for packaging. Merits of Glass container

Last Answer : Economical. Available in variety of sizes and shapes.  Chemically inert, impermeable, strong and rigid. Does not deteriorate with age. Easy to label. Excellent barrier against light. ... easy to break. Heavy, Bulky to carry. Leaching and absorption of alkalis. Flak formation

Description : Write advantages and disadvantages of plastic as a material for container and state its type.

Last Answer : Advantages: 1. Light in weight and can be handled easily. 2. Poor conductor of heat. 3. Sufficient mechanical strength. 4. Transported easily. 5. Unbreakable. 6. Available in various shapes ... (PVC) Low-density polyethylene (LDPE) Polypropylene (PP) Polystyrene (PS) Polyester (PES) etc.

Description : Explain principle of freeze drying. Give its advantages.

Last Answer : Principle:  i. The material is frozen in a suitable container connected to a high vacuum system, so that the vapour pressure of water is reduced to less than that of material being dried. ii. ... it is properly sealed in an inert atmosphere. vii. The sterility of the product can be maintained. 

Description : Define microencapsulation.What are its advantages and different techniques involved in it?

Last Answer : Microencapsulation : it is the technique in which a thin coating is applied on the particles of solids, liquids, resulting in the formation of micro-capsules ranging from micron to ... 4) Electrostatic Deposition 5) Vacuum deposition 6) Polymerization 7) Multiorific Centrifugal Process.

Description : Explain the working, advantages and disadvantages of any one mill based on the principle of combined impact and attrition?

Last Answer : which of the following mill works on the principle of combined impact and attrition

Description : Define Aerosols. What are advantages and disadvantages of Aerosols?

Last Answer : Aerosols may be defined as disperse phase system in which very fine solid particles or liquid droplet gets dispersed in the gases which act as continuous phase. These are pressured packages. ... to injured skin. 4. Difficulties occurred during formulation when drug not soluble in propellants. 

Description : What are advantages of evaporating still?

Last Answer : It is simple to construct. Easy to clean and maintain. The vapors are condensed in it. It increases the speed of evaporation and the costly solvent can be recovered. E.g. ethyl alcohol ... to the operator. A vacuum pump can be fitted to the condenser for operation under reduced pressure.

Description : What are advantages of water as menstruum for extraction? 

Last Answer : • It is cheap & easily available. • Non –toxic • Non inflammable. • It has wide solvent action.

Description : Write the advantages & disadvantages of an evaporating pan

Last Answer : Advantages:   It is simple and cheap to construction.   Easy to clean and maintain.   Economical.  Disadvantages:   Poor coefficient of heat transfer.   Heating surface is ... concentration of thermolabile material.   Evaporating pan is open so vapour cause discomfort to the worker.

Description : Write advantages and disadvantages of tablets.

Last Answer : Advantages of tablets: 1. Easy to administered. 2. Easy to dispense. 3. More stable. 4. Accuracy in dose. 5. Bitter and nauseous substance can be easily dispensed. 6. ... remove bitter and unpleasant taste. v) Swallowing is difficult especially for children and ill (unconscious) patients.

Description : Write the advantages and disadvantages of fluidised bed dryer. 

Last Answer : Advantages: i. It give high drying rate. ii. Suitable for thermolabile material. iii. Drying takes place of individual particles. iv. Temperature can be controlled. v. Prevent the ... : i. Turbulence produces cause attrition of particles. ii. Movement can generate electrical charges. 

Description : Give advantages and disadvantages of glass as a material used for pharmaceutical container and state its types.

Last Answer : Advantages:   Economical. Available in variety of sizes and shapes. Chemically inert, impermeable, strong and rigid. Does not deteriorate with age. Easy to label. Excellent barrier against light. ... -lime glass or Alkali glass (Type-III). 4. General Purpose soda-lime glass (Type-IV).

Description : Write the advantages of microencapsulation and list different methods of microencapsulation.

Last Answer : Advantages of microencapsulation:  1. To mask the bitter taste of drugs like Paracetamol, Nitrofurantoin etc. 2. To reduce gastric and other gastro intestinal (G.I) tract irritations, ... 4) Electrostatic Deposition 5) Vacuum deposition 6) Polymerization 7) Multiorific Centrifugal Process.

Description : Define Menstrum and Marc. Write the advantages of alcohol as menstrum.

Last Answer : Menstrum :-Solvent used to extract the drug. Marc:-The drug residue which remains behind after extraction. Advantages of alcohol as menstrum   i) The mould and bacteria cannot grow ... is required to concentrate the alcoholic preparations. v) It dissolves selective active ingredients of drugs.

Description : Explain the working of ball mill with a well labeled diagram and give any two advantages

Last Answer : Working:   The drug to be ground is put into the cylinder of the mill and is rotated. The speed of the rotation is very different. At low speed, the mass of balls will slide or roll over each other ... for batch as well as continuous grinding vi)can be used for dry as well as wet grinding.

Description : Write advantages of water as solvent for extraction

Last Answer : • It is cheap & easily available. • Non –toxic • Non inflammable. • It has wide solvent action 

Description : Give advantages, disadvantages and applications of sterilization by ionising radiation.

Last Answer : Advantages: The method is reliable and can be accurately controlled No degradation of media during sterilization, thus it can be used for thermally labile media Gamma rays have ... Bones and tissue transplant, plastic tubing, catheters and sutures. Sterilization of thermolabile medicaments. 

Description : Mention advantages and disadvantages of plastic containers.

Last Answer : Advantages:   1. Light in weight and can be handled easily. 2. Poor conductor of heat. 3. Sufficient mechanical strength. 4. Transported easily. 5. Unbreakable. 6. Available in various ... as preservatives. 5. Relatively expensive. 6. Special type of gum or adhesive required for labelling.

Description : Explain the factors affecting evaporation of a liquid.

Last Answer : Factor affecting evaporation  1. Temperature: The rate of evaporation is directly proportional to the temperature of the liquid. The evaporation can be accelerated by increasing the temperature but it ... of evaporation is maximum at its boiling point when the liquid has maximum vapour pressure.

Description : Explain the factors which affect the rate of evaporation of a liquid.

Last Answer : Factors affecting rate of evaporation: 1. Temperature: The rate of evaporation is directly proportional to the temperature of liquid. The evaporation can be accelerated by increasing the temp ... : The rate of evaporation is directly proportional to the vapour pressure of evaporating liquid.

Description : List the various equipment’s used for liquid mixing and explain how vortex formation can be avoided in liquid mixing. 

Last Answer : Equipment used for mixing of liquid:  1. Propeller mixture. 2. Turbine Mixture. 3. Paddle mixture. Vortex formation can be avoided in liquid mixing by making the following changes in the position of the ... the side of vessels. 4. Using push pull propeller. 5. Using baffles.

Description : Describe the factors which affect rate of the evaporation of liquid

Last Answer : Factors affecting evaporation:  1)Temperature: The rate of evaporation is directly proportional to temp of liquid.  2)Temperature and time of evaporation: It has been observed that exposure to ... : The rate of evaporation is directly proportional to the vapour pressure of the evaporating liquid.

Description : Give the full form of BCG. Discuss in brief about BCG vaccine.

Last Answer : Full form of B.C.G. is Baccillus Calmettee Guerin Method of preparation of BCG vaccine It is freeze- dried preparation containing live culture of the bacillus Calmette and Guerin strain of ... against tuberculosis. Dose: Prophylactic, 0.1 ml as a single dose by intra-cutaneous injection 

Description : Explain principle and working of fluid energy mill with a diagram.

Last Answer : Principle  It works on the principle of impact and attrition. Working: The air or inert gas is introduced with a very high pressure through nozzles. Solids are introduced into air stream through inlet. ... 100 mesh and then passed through fluid energy mill. Diagram of fluid energy mill :

Description : Give application of simple distillation. What is the principle of fractional distillation?

Last Answer : Applications of simple distillation:  i. It is used for the preparation of distilled water and water for injection. ii. Preparation of many volatile oils and aromatic water. iii. Purification ... becomes richer with the liquid having the lower boiling point which gets condensed in a condenser. 

Description : Mention official and unofficial evaluation test for tablets. Describe weight variation test. 

Last Answer : Official test list: 1. Size and shape of tablet. 2. Appearance. 3. Content of active ingredient. 4. Uniformity of weight/weight variation test 5. Uniformity of content 6. ... the percentage deviation given in the table and none should deviate by more than twice that percentage.

Description : Discuss working of ball mill with neat diagram. 

Last Answer : Working: The drug to be ground is put into the cylinder of the mill and is rotated. The speed of the rotation is very different. At low speed, the mass of balls will slide or roll over each other and ... and passed through a sieve to get powder of the required size. Ball mill diagram:   

Description : Define pharmaceutical container. Give qualities of an ideal container.

Last Answer : Definition: Pharmaceutical container  A device that holds the drug and it may or may not be in direct contact with the pharmaceutical dosage form or preparations. Qualities of an ideal container:  1 ... and temperature. 7. Labelled easily 8. Non-toxic. 9. Closure easily removable/replaceable.

Description : Write the official standards of powder.

Last Answer : i. Coarse powder: A powder of which all particles pass through sieve no 10 with nominal aperture size 1.7mm and not more than 40% pass through sieve no 44 with nominal aperture size 355um.  ii. ... powder: A powder of which all particles pass through sieve no 120 with nominal aperture size 125 um.

Description : Write special application of capsule. 

Last Answer : Applications of capsule:  1. Enteric coated capsule: These capsules do not disintegrate in stomach (Acidic Medium) but break up in intestine (Alkaline medium). On commercial scale, a coating ... gelatine commonly used Capsule punctured by using sterile needle and then instilled into the eye.

Description : Give the principle and working of Fluidised bed dryer.

Last Answer : Principle: In FBD, good contact between hot air and particles to be dried is obtained which cause rapid drying. Working of Fluidised bed dryer: Two types of FBD are used in pharmaceutical industry. There are ... ranging from 5 kg to 200 kg with an average drying time of about 20-40 min.

Description : Define aseptic techniques. What are the various sources of contamination?

Last Answer : Definition: Aseptic technique  The method which is used to prevent the access of microorganism during the preparation of parenteral product and their testing are called Aseptic Technique Sources of ... are also a source of contamination. A handkerchief is the richest source of contamination. 

Description : Give principal and working of silverson homogenizer with labelled diagram.

Last Answer : Principal:   These work on the principal of braking large globules in to small globules by passing them under pressure through a narrow orifice. Working:   The emulsified head is placed in the vessel ... blades. So a fine emulsion is produced which is then expelled out. Diagram :

Description : Define drying. Give application of drying in pharmacy.

Last Answer : Definition:  Drying: It is defined as final removal of liquid from solid by vaporization with aid of heat. Application:  1) In pharmaceutical industry it is used as a unit process in the ... of product, when powder is dried it gets solublised fast. 7) Drying ensures free flowing of powders.

Description : Draw a well labelled diagram of filter candle. Give its working and disadvantages.

Last Answer : Diagram : Working  : The filter candle is placed in a vessel containing the liquid to be filtered. When vacuum is applied, the pressure inside the candle is decreased. Due to ... Disadvantages   1. Chance of clogging/blocking. 2. Traces of material may come in the solution.