Combivit is a pale yellow to brown sterile solution for injection containing four members of the B-complex vitamins together with vitamin C.

Each ml contains:
Thiamine Hydrochloride (Vitamin B1) 35mg
Riboflavine Sodium Phosphate (Vitamin B2) 0.5mg
Pyridoxine Hydrochloride (Vitamin B6) 7mg
Nicotinamide 23mg
Ascorbic Acid (Vitamin C) 70mg
Chlorocresol (preservative) 1mg

Uses
Combivit may be used in the following cases:
1. Wherever deficiency of vitamin B group is suspected in horses, cattle and sheep.
2. In treatment of cerebrocortical necrosis in cattle and sheep.
3. In treatment of bracken poisoning in horses.

Dosage & Administration 
Administer by subcutaneous, deep intramuscular or slow intravenous injection. The dose should be repeated daily as required. Normal aseptic precautions should be observed.

Species Dosage
Horses, cattle 20–30ml
Calves, foals 5–10ml
Sheep 5–10ml

Withdrawal Period
Withdrawal period for meat and milk: Zero days.

Contraindictions, Warnings etc
Anaphylactoid reactions, particularly in the horse may occur following intravenous administration. When this route is used Combivit should be given slowly and may be diluted with sterile saline or sterile dextrose saline solution. This may be achieved by drawing sterile diluting solution into a syringe, followed by the required volume of Combivit.

The diluted product must be administered immediately after preparation and must not be stored. Aseptic precautions should be observed. There may be slight irritation at the site of injection when the product is given by the subcutaneous or intramuscular routes.

Please see below link to the Veterinary Medicines Product Information Database
http://www.vmd.defra.gov.uk/productinformationdatabase/Default.aspx