💊 Veterinary Medicines & Treatments
Learn veterinary drugs, vaccines and deworming schedules for CUET Agriculture. Antibiotics, anthelmintics and vaccination programs covered.
Classification of Veterinary Medicines
A thorough understanding of medicine types, their uses, and examples is essential for animal health management. Veterinary medicines are classified into 22 categories based on their function — from infection control to pain management to digestive aids. Knowing these categories, their key examples, and the differences between similar-sounding types is a high-scoring exam topic.
Complete Medicine Classification
| # | Medicine Type | Use/Function | Examples |
|---|---|---|---|
| 1 | Antiseptic | Prevents microbial growth on living tissue — used on wounds, skin, udders | Boric acid, Dettol, Red Dawa (KMNO₄), Iodine |
| 2 | Germicide / Disinfectant | Destroys microbes and spores on surfaces/equipment — kills pathogens on non-living objects | Phenol, Lysol, Carbolic acid, Formalin |
| 3 | Purgative (3 types: mild, moderate, strong) | Induces bowel movement / clears intestines — used to treat constipation or remove toxins | Green fodder (mild), Castor oil, Alsi oil, Sodium Sulphate, Magnesium Sulphate (strong) |
| 4 | Stimulant | Stimulates body systems and organs — increases heart rate, respiration, and alertness | Alcohol, Camphor, Caffeine |
| 5 | Wormicide | Kills intestinal parasites/worms — the worms die inside the body and are passed out | Nila, Shosha, Finovis, Copper Sulphate (CuSO₄), Avermectin |
| 6 | Anthelmintics | Removes/expels parasites without killing them — the worms are paralyzed and expelled alive | CuSO₄, Nicotine, Fess Sulphate (Ferrous Sulphate) |
| 7 | Antibiotic | Kills bacteria and prevents their growth — the most important class of medicines in veterinary practice | Penicillin, Streptomycin, Chloramphenicol, Chlortetracycline |
| 8 | Massaging Oil (Mardan Tel) | For tired or overworked animals — improves blood circulation and relieves muscle fatigue | Sarso tel (Mustard oil), Til ka tel (Sesame oil), Tarpin ka tel (Turpentine oil) |
| 9 | Antipyretics | Reduces fever / lowers body temperature — acts on the brain's thermoregulatory center | Aspirin, Quinine, Salicylic acid |
| 10 | Anaesthetics | Causes loss of sensation or unconsciousness — used for surgical procedures | Chloroform, Ether, Nitrous Oxide |
| 11 | Deodorant | Removes bad odor from wounds or body — important for treating necrotic (dead tissue) wounds | Philawal and Blivong Powder |
| 12 | Analgesics | Reduces/relieves pain without causing unconsciousness — the animal stays alert | Ammonia, Kapoor (Camphor), Bhanga, Rasheen |
| 13 | Emetics | Induces vomiting — used to expel toxins from the stomach (Note: does not work in ruminants as they cannot vomit effectively) | Namak (Salt), Nila Thotha (CuSO₄), Fitkari (Alum), Zinc Sulphate |
| 14 | Narcotics | Induces sleep/drowsiness — depresses the central nervous system | Chloroform, Ether, Manganese and Chloral Hydrate |
| 15 | Antizymotics | Prevents fermentation in the stomach — useful when bloating is caused by excessive gas production from fermentation | Boric acid, Formalin |
| 16 | Astringent | Stops bleeding or abnormal discharge — causes contraction of tissues and blood vessels | Fitkari (Alum), Tincture, Iodine, Afeem (Opium), Kalsha |
| 17 | Antiexpectorants | Removes phlegm/mucus from respiratory tract — clears airway passages for easier breathing | Ammonium Chloride, Afeem (Opium), Belladonna |
| 18 | Antidotes | Counteracts or neutralizes poisons — each poison has a specific antidote | Atropine, Vitamin A, Sodium Bicarbonate, Cyanide antidote, Loh Lavan |
| 19 | Carminatives (Gas Har) | Reduces gas/bloat in stomach — these aromatic substances help expel gas and soothe the digestive tract | Heeng (Asafoetida), Saif, Jeera (Cumin), Methi (Fenugreek), Ajwayan, Ether |
| 20 | Parasiticides | Destroys skin/external parasites — mites, ticks, lice on the body surface | Mishaail Parasithiyam, CuSO₄ |
| 21 | Sedative | Relaxes the animal and reduces pain/anxiety — used before minor procedures or during transport | Phenol, Kapoor (Camphor), Potassium Bromide |
| 22 | Caustics | Destroys infected/dead tissue chemically — used to burn away granulation tissue, warts, or infected areas | Copper Sulphate, Lal Dawa (Red Medicine), Zinc Sulphate, Phenol, Carbonic acid, Caustic Soda |
TIP
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Classification of Veterinary Medicines
A thorough understanding of medicine types, their uses, and examples is essential for animal health management. Veterinary medicines are classified into 22 categories based on their function — from infection control to pain management to digestive aids. Knowing these categories, their key examples, and the differences between similar-sounding types is a high-scoring exam topic.
Complete Medicine Classification
| # | Medicine Type | Use/Function | Examples |
|---|---|---|---|
| 1 | Antiseptic | Prevents microbial growth on living tissue — used on wounds, skin, udders | Boric acid, Dettol, Red Dawa (KMNO₄), Iodine |
| 2 | Germicide / Disinfectant | Destroys microbes and spores on surfaces/equipment — kills pathogens on non-living objects | Phenol, Lysol, Carbolic acid, Formalin |
| 3 | Purgative (3 types: mild, moderate, strong) | Induces bowel movement / clears intestines — used to treat constipation or remove toxins | Green fodder (mild), Castor oil, Alsi oil, Sodium Sulphate, Magnesium Sulphate (strong) |
| 4 | Stimulant | Stimulates body systems and organs — increases heart rate, respiration, and alertness | Alcohol, Camphor, Caffeine |
| 5 | Wormicide | Kills intestinal parasites/worms — the worms die inside the body and are passed out | Nila, Shosha, Finovis, Copper Sulphate (CuSO₄), Avermectin |
| 6 | Anthelmintics | Removes/expels parasites without killing them — the worms are paralyzed and expelled alive | CuSO₄, Nicotine, Fess Sulphate (Ferrous Sulphate) |
| 7 | Antibiotic | Kills bacteria and prevents their growth — the most important class of medicines in veterinary practice | Penicillin, Streptomycin, Chloramphenicol, Chlortetracycline |
| 8 | Massaging Oil (Mardan Tel) | For tired or overworked animals — improves blood circulation and relieves muscle fatigue | Sarso tel (Mustard oil), Til ka tel (Sesame oil), Tarpin ka tel (Turpentine oil) |
| 9 | Antipyretics | Reduces fever / lowers body temperature — acts on the brain's thermoregulatory center | Aspirin, Quinine, Salicylic acid |
| 10 | Anaesthetics | Causes loss of sensation or unconsciousness — used for surgical procedures | Chloroform, Ether, Nitrous Oxide |
| 11 | Deodorant | Removes bad odor from wounds or body — important for treating necrotic (dead tissue) wounds | Philawal and Blivong Powder |
| 12 | Analgesics | Reduces/relieves pain without causing unconsciousness — the animal stays alert | Ammonia, Kapoor (Camphor), Bhanga, Rasheen |
| 13 | Emetics | Induces vomiting — used to expel toxins from the stomach (Note: does not work in ruminants as they cannot vomit effectively) | Namak (Salt), Nila Thotha (CuSO₄), Fitkari (Alum), Zinc Sulphate |
| 14 | Narcotics | Induces sleep/drowsiness — depresses the central nervous system | Chloroform, Ether, Manganese and Chloral Hydrate |
| 15 | Antizymotics | Prevents fermentation in the stomach — useful when bloating is caused by excessive gas production from fermentation | Boric acid, Formalin |
| 16 | Astringent | Stops bleeding or abnormal discharge — causes contraction of tissues and blood vessels | Fitkari (Alum), Tincture, Iodine, Afeem (Opium), Kalsha |
| 17 | Antiexpectorants | Removes phlegm/mucus from respiratory tract — clears airway passages for easier breathing | Ammonium Chloride, Afeem (Opium), Belladonna |
| 18 | Antidotes | Counteracts or neutralizes poisons — each poison has a specific antidote | Atropine, Vitamin A, Sodium Bicarbonate, Cyanide antidote, Loh Lavan |
| 19 | Carminatives (Gas Har) | Reduces gas/bloat in stomach — these aromatic substances help expel gas and soothe the digestive tract | Heeng (Asafoetida), Saif, Jeera (Cumin), Methi (Fenugreek), Ajwayan, Ether |
| 20 | Parasiticides | Destroys skin/external parasites — mites, ticks, lice on the body surface | Mishaail Parasithiyam, CuSO₄ |
| 21 | Sedative | Relaxes the animal and reduces pain/anxiety — used before minor procedures or during transport | Phenol, Kapoor (Camphor), Potassium Bromide |
| 22 | Caustics | Destroys infected/dead tissue chemically — used to burn away granulation tissue, warts, or infected areas | Copper Sulphate, Lal Dawa (Red Medicine), Zinc Sulphate, Phenol, Carbonic acid, Caustic Soda |
TIP
Notice that CuSO₄ (Copper Sulphate / Nila Thotha) appears in multiple categories — it acts as a wormicide, emetic, parasiticide, and caustic depending on the concentration and method of application. Similarly, Afeem (Opium) serves as both an astringent and an antiexpectorant.
Key Differences to Remember
These comparisons are among the most frequently tested concepts in veterinary medicine questions. Each pair sounds similar but has a fundamentally different mechanism.
| Antiseptic vs Disinfectant |
|---|
| Antiseptic — used on living tissue (wounds, skin) — must be gentle enough not to damage cells |
| Disinfectant — used on non-living surfaces (floors, equipment, sheds) — can be stronger/harsher chemicals |
| Analgesic vs Anaesthetic vs Narcotic |
|---|
| Analgesic — reduces pain, animal stays conscious — the animal can still feel touch but pain is dulled |
| Anaesthetic — causes loss of sensation or full unconsciousness — used for surgery |
| Narcotic — induces sleep/drowsiness — depresses the brain's alertness centers |
| Wormicide vs Anthelmintic |
|---|
| Wormicide — kills the worms/parasites — the dead worms are expelled in feces |
| Anthelmintic — expels/removes parasites without killing them — the worms are paralyzed and pushed out alive |
NOTE
In practice, the terms "wormicide" and "anthelmintic" are sometimes used interchangeably, but for exams, remember the precise distinction: kill vs expel.
Memory trick for the three pain-related categories
Think of it as a spectrum of consciousness:
- Analgesic = "Pain gone, I'm awake" (conscious, pain reduced)
- Narcotic = "I'm sleepy..." (drowsy, sedated)
- Anaesthetic = "I'm out" (unconscious, no sensation)
The progression goes: Analgesic → Narcotic → Anaesthetic (increasing depth of effect on consciousness).
Common Disinfectants and Their Applications
Each disinfectant has specific concentration requirements for different applications. Using the wrong concentration can be either ineffective (too weak) or harmful to the animal (too strong). These concentrations are high-value exam questions.
1. Formalin (Formaldehyde Solution)
Formalin is the most versatile veterinary disinfectant. It is effective against bacteria, viruses, fungi, and even spores. Its standard concentration for most applications is 1%.
| Application | Concentration |
|---|---|
| Wound treatment | 1% |
| Disease-free shed cleaning | 1% |
| Shed equipment disinfection | 1% |
| FMD — hoof treatment | 1% |
| Parasite control | 1-2% |
| Body wound treatment | 1% |
TIP
Simple rule: Formalin = 1% for almost everything. The only exception is parasite control where it may go up to 2%.
2. Carbolic Acid (Phenol)
Carbolic acid (Phenol) is a powerful disinfectant with a distinctive sharp smell. It is especially effective for cleaning animal sheds where pathogens may be embedded in the floor.
| Application | Concentration |
|---|---|
| Shed cleaning | 5% |
| Wound treatment | 1% |
| Parasite control | 2% |
IMPORTANT
Carbolic acid at 5% for shed cleaning is a commonly tested fact. Note that it uses a higher concentration than other disinfectants for the same purpose — this is because Phenol needs to be strong to penetrate organic matter on shed floors.
3. Red Medicine (KMNO₄ — Potassium Permanganate)
Potassium Permanganate is easily recognized by its deep purple/red color in solution. It is both an antiseptic and a disinfectant, and has a special application in snake bite treatment.
| Application | Concentration |
|---|---|
| Wound treatment | 1% |
| Shed and equipment cleaning | 1% |
| Snake bite treatment | 2% |
WARNING
For snake bites, KMNO₄ is used at 2% concentration — double the normal wound treatment strength. It is applied directly into the bite wound after making small incisions around the bite site to allow the solution to reach deeper tissues and neutralize venom.
4. Lysol
Lysol is a soapy disinfectant that combines cleaning and disinfection. It is particularly useful during obstetric (pregnancy/calving) procedures where both cleanliness and gentleness are important.
| Application | Concentration |
|---|---|
| Wound treatment | 1% |
| During pregnancy/obstetrics | 1-2% |
| General cleaning | 1-2% |
5. Copper Sulphate (Nila Thotha / CuSO₄)
Copper Sulphate is a blue crystalline compound with remarkable versatility. As mentioned earlier, it serves multiple roles across different medicine categories.
| Application | Concentration |
|---|---|
| Parasite control | 1% |
| FMD treatment | 1% |
| Contaminated fodder treatment | 2% |
6. Phenolphthalein (Finofthayajin)
Phenolphthalein is a lemon-yellow colored compound used specifically for intestinal cleaning (as a purgative). Its dosage varies by animal size.
- Color: Lemon-yellow
- Use: Intestinal cleaning — stimulates bowel movements
| Animal | Dose |
|---|---|
| Cow / Buffalo | 30-45 gm |
| Sheep / Goat | 15-30 gm |
NOTE
The dose for small ruminants (Sheep/Goat) is exactly half the dose for large ruminants (Cow/Buffalo). This proportional relationship makes it easy to remember.
Medicine Administration Routes
The route of administration determines how quickly the medicine acts and how much of it reaches the target area. Emergency situations require intravenous (IV) delivery for fastest action, while routine treatments may use oral or topical routes.
| Route | Description | Used For |
|---|---|---|
| Oral (Per os) | Given through mouth — easiest but slowest absorption | Drenching, boluses, powders, liquid medicines |
| Subcutaneous (SC) | Injected under the skin — moderate absorption speed | Vaccines, some drugs |
| Intramuscular (IM) | Injected into muscle — faster than SC, good for drugs that need steady absorption | Antibiotics, vitamins |
| Intravenous (IV) | Injected into vein — fastest action, drug enters bloodstream immediately | Emergency treatments, fluids, calcium borogluconate for Milk Fever |
| Topical | Applied on skin surface — acts locally | Wound dressings, parasiticides, mange treatment |
| Intrauterine | Administered into uterus — used for reproductive conditions | Reproductive disorders, post-calving infections, retained placenta |
Speed of action by route
From fastest to slowest:
- Intravenous (IV) — immediate effect (seconds)
- Intramuscular (IM) — 10-20 minutes
- Subcutaneous (SC) — 20-30 minutes
- Oral — 30 minutes to hours (must be absorbed through the gut)
- Topical — local effect only, minimal systemic absorption
In emergencies (Milk Fever, severe dehydration, anaphylaxis), always use the IV route for the fastest possible response.
Key Points for Exam
- Antiseptic = living tissue; Disinfectant = non-living surfaces
- Purgatives have 3 types: mild, moderate, and strong
- Aspirin and Quinine are common antipyretics (fever reducers)
- Chloroform, Ether, Nitrous Oxide = anaesthetics
- Penicillin = most common antibiotic
- Carminatives reduce gas — remember: Heeng, Jeera, Methi, Ajwayan
- Formalin used at 1% concentration for most applications
- Carbolic acid at 5% for shed cleaning
- KMNO₄ at 2% for snake bites
- CuSO₄ is used as wormicide, emetic, parasiticide, and caustic
- Afeem (Opium) acts as both astringent and antiexpectorant
- Phenolphthalein dose: Cow/Buffalo 30-45 gm, Sheep/Goat 15-30 gm
- Avermectin is an important wormicide
- Atropine is the key antidote for organophosphate poisoning
- Wormicide kills worms; Anthelmintic expels worms
- Analgesic = conscious; Anaesthetic = unconscious; Narcotic = sleepy
Summary Cheat Sheet
| Concept / Topic | Key Details / Explanation |
|---|---|
| Total medicine categories | 22 categories based on function |
| Antiseptic | Prevents microbial growth on living tissue; Examples: Boric acid, Dettol, KMNO₄, Iodine |
| Germicide / Disinfectant | Destroys microbes on non-living surfaces; Examples: Phenol, Lysol, Formalin |
| Antiseptic vs Disinfectant | Antiseptic = living tissue; Disinfectant = non-living surfaces |
| Purgative | Induces bowel movement; 3 types: mild, moderate, strong; Examples: Castor oil, Alsi oil, MgSO₄ |
| Wormicide | Kills intestinal worms; Examples: CuSO₄, Avermectin |
| Anthelmintic | Expels/removes parasites without killing; Examples: CuSO₄, Nicotine |
| Wormicide vs Anthelmintic | Wormicide = kills; Anthelmintic = expels |
| Antibiotic | Kills bacteria; Examples: Penicillin, Streptomycin, Chloramphenicol |
| Antipyretics | Reduces fever; Examples: Aspirin, Quinine, Salicylic acid |
| Anaesthetics | Causes loss of sensation/unconsciousness; Examples: Chloroform, Ether, Nitrous Oxide |
| Analgesics | Reduces pain, animal stays conscious; Examples: Ammonia, Camphor |
| Narcotics | Induces sleep/drowsiness; Examples: Chloroform, Ether, Chloral Hydrate |
| Analgesic vs Anaesthetic vs Narcotic | Analgesic = conscious; Narcotic = sleepy; Anaesthetic = unconscious |
| Emetics | Induces vomiting; Examples: Salt, CuSO₄, Alum, Zinc Sulphate |
| Astringent | Stops bleeding; Examples: Fitkari (Alum), Tincture Iodine, Afeem (Opium) |
| Carminatives (Gas Har) | Reduces gas/bloat; Examples: Heeng, Jeera, Methi, Ajwayan, Ether |
| Antidotes | Counteracts poisons; Atropine for organophosphate poisoning |
| Caustics | Destroys dead tissue; Examples: CuSO₄, Phenol, Caustic Soda |
| CuSO₄ versatility | Acts as wormicide, emetic, parasiticide, and caustic |
| Afeem (Opium) versatility | Acts as both astringent and antiexpectorant |
| Formalin concentration | 1% for almost everything (wounds, sheds, FMD hooves) |
| Carbolic acid (Phenol) | 5% for shed cleaning; 1% for wounds |
| KMNO₄ (Red Medicine) | 1% for wounds; 2% for snake bites |
| Phenolphthalein dose | Cow/Buffalo: 30–45 gm; Sheep/Goat: 15–30 gm |
| Medicine routes (fastest to slowest) | IV (immediate) > IM (10–20 min) > SC (20–30 min) > Oral (30 min+) > Topical (local) |
| Avermectin | Important wormicide |
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