
COLISPEC-NOR® Oral Solution
COLISPEC-NOR® Oral Solution
Colistin & Spectinomycin Oral Antibacterial Solution
Composition
Each ml contains:
Colistin sulfate ........................................ 200,000 IU
Spectinomycin
(as dihydrochloride pentahydrate) .... 50 mg
Excipients .................................................. q.s. to 1 ml
Pharmaceutical Form
Oral solution for veterinary use.
Therapeutic Class
Broad-spectrum antibacterial combination
(Polymyxin + Aminocyclitol antibiotic)
Indications
COLISPEC-NOR® Oral Solution is indicated for the treatment of bacterial gastrointestinal and respiratory infections caused by susceptible microorganisms, including:
Colibacillosis (E. coli)
Salmonellosis
Enteritis
Bacterial diarrhea
Chronic respiratory disease (CRD)
Pasteurellosis
Secondary bacterial infections
Target Species
Poultry (broilers, layers*, breeders)
Calves
Lambs & kids
*Use in laying birds producing eggs for human consumption according to local regulations.
Mechanism of Action
Colistin disrupts the cell membrane of Gram-negative bacteria, leading to rapid bactericidal action.
Spectinomycin inhibits bacterial protein synthesis by binding to the 30S ribosomal subunit, particularly effective against E. coli and Mycoplasma.
The combination provides synergistic antibacterial activity, especially in enteric infections.
Dosage & Administration
For oral administration via drinking water or direct oral dosing.
Poultry
1 ml per 1–2 liters of drinking water
for 3–5 consecutive days
Calves, Sheep & Goats
1 ml per 10 kg body weight
Once daily for 3–5 days
📌 Ensure medicated water is the only source of drinking water during treatment.
📌 Shake well before use.
Contraindications
Hypersensitivity to colistin or spectinomycin
Severe renal impairment
Avoid prolonged or unnecessary use
Side Effects
Generally well tolerated
Rare mild digestive disturbances
Prolonged use may affect intestinal microflora
Withdrawal Period
(Indicative – subject to local regulations)
Meat:
Poultry: 5–7 days
Ruminants: 5–7 daysEggs:
According to local regulatory approval
Special Warnings
Use only when bacterial sensitivity is expected
Avoid misuse to reduce antimicrobial resistance
Observe antimicrobial stewardship principles
Storage Conditions
Store below 25°C
Protect from direct sunlight
Do not freeze
Keep out of reach of children
Shelf Life
24 months from date of manufacture
Use within 28 days after first opening
Presentation
100 ml bottle
250 ml bottle
500 ml bottle
1 Liter bottle
