Researchers came to the conclusion after analysing data in the British National Formulary guide on drugs.

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The system also offers links to the British National Formulary and an annotated picture library.

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Express Scripts even removed Lipitor from its formulary entirely, playing hardball on cost.

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The only way to negotiate drug prices is to negotiate a formulary.

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To win slots on the drug formulary of a middleman (PBMor HMO), the pharma outfit has to offer some discounts.

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Express Scripts (nasdaq: EXPR - news - people ), a pharmacy-benefits manager, recently removed Lipitor from its formulary.

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One of her patients needs 5, 000 units of Epogen, a bone-marrow stimulant and one of the costliest drugs in the hospital formulary.

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Express Scripts, a pharmacy-benefits manager, recently removed Lipitor from its formulary.

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Part of the problem is that each health plan covers prescriptions using a different formulary and cost-sharing scheme, so consumers often only see what the co-pay is.

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For drugs that have similar clinical benefits, like treatments for high cholesterol, ulcers and allergies, the PBM may put only one of the competing brands on its formulary.

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The aim of BNF (British National Formulary) for Children is to provide a practical, relevant and authoritative information source for all health professionals involved in the drug therapy of children.

BBC: NEWS | Health | Doctors get child medicines help