Levafas Diamond is a broad spectrum anthelmintic for use in the treatment and control of both gastro-intestinal and pulmonary nematode infections and adult liver fluke infections in cattle and sheep only.
Levafas Diamond should be used in cases of parasitic gastroenteritis and lungworm disease caused by mature and developing immature forms of those organisms sensitive to treatment with levamisole hydrochloride. 
Lungworms: Dictyocaulus spp. Gastrointestinal worms: Haemonchus spp; Ostertagia spp (except inhibited Ostertagia larvae in cattle); Nematodirus spp; Trichostrongylus spp; Cooperia spp; Oesophagostomum spp; and Bunostomum spp.
Levafas Diamond also removes most mature Fasciola spp (flukes) present in the bile ducts of the liver.

Dosage & Administration
Levafas Diamond should be administered as an oral drench. Dosing must be carried out accurately using a suitable gun system, at a rate of 7.5mg levamisole hydrochloride and 15mg oxyclozanide per kg bodyweight.

Withdrawal Period
Animals must not be slaughtered for human consumption during treatment.
Cattle and sheep may be slaughtered for human consumption only after 5 days from the last treatment.
This product must not be used in cattle and sheep producing milk for human consumption. 

Contraindictions, Warnings etc
To ensure administration of a correct dose, bodyweight should be determined as accurately as possible; accuracy of the dosing device should be checked.

Levafas Diamond may be administered to pregnant or lactating animals. However, care should be taken when treating heavily pregnant animals, and animals under stress from adverse weather conditions, poor nutrition, penning, handling etc. The effects of Levamisole overdosage include impaired motor function i.e., muscle tremors, head shaking and increased salivation. These effects are transient and more likely to be found in cattle than in sheep.

At normal oxyclozanide dose levels, animals may show slight softening of the faeces with the occasional animal showing increased frequency of defecation and transient inappetence.

Oxyclozanide overdosage may produce inappetence and loss of bodyweight, dullness and some loosening of faeces in sheep, and possibly diarrhoea. These effects are occasionally enhanced in animals with severe liver damage and/or dehydration at the time of dosing.

Animals must not be treated within a period of 14 days before or after treatment with organophosphorus compounds.

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