At normal therapeutic dosages side effects are rarely seen. Overdosage may occasionally result in the appearance of cholinergic type symptoms such as salivation, muscular tremors and head shaking. They are more likely to be observed in cattle than in sheep.
Care should be taken to estimate accurately the bodyweight of animals to be treated before calculating the dosage. Cattle must not be treated within a period of 14 days before or after treatment with organophosphorus compounds or diethylcarbamazine citrate.
The product may be given to young, pregnant and lactating animals, but due regard must always be paid to the animal's physical condition and the presence of inter-current diseases.
Veterinary advice should be sought on appropriate dosing programmes and stock management to achieve adequate parasite control, and to reduce the likelihood of anthelmintic resistance developing and also if the product does not achieve the desired clinical effect, since other diseases, nutritional disturbances or anthelmintic resistance may be involved. When a dosing gun is used to administer the product, care should be taken to avoid occurrences of dosing gun pharyngitis.
Animals must not be slaughtered for human consumption during treatment. Cattle and sheep may be slaughtered for human consumption only after 20 days from the last treatment. Not for use in animals producing milk for human consumption.
When using do not eat, drink or smoke. Wash splashes from eyes and skin immediately. If irritation persists consult your doctor. Take off immediately any contaminated clothing. Wash hands and exposed skin before meals and after work. Levamisole can cause idiosyncratic reactions and serious blood disorders in a very small number of people. If symptoms such as dizziness, nausea, vomiting or abdominal discomfort are experienced when using this product, or sore mouth/throat or fever occur shortly afterwards, then medical advice should be sought immediately.