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Guidelines for ATC classification and DDD assignment - WHOCC

Guidelines for ATC classification and DDD assignment - WHOCC

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G04BC Urinary concrement solvents<br />

154<br />

This group comprises agents, which dissolve urinary concrements, e.g.<br />

citrates.<br />

G04BD Urinary antispasmodics<br />

This group comprises antispasmodics specifically used in the urogenital<br />

tractus.<br />

Gastrointestinal antispasmodics, see A03.<br />

Trospium in combination with analgesics are classified in A03DA.<br />

The <strong>DDD</strong> <strong>for</strong> oral administered emeperonium is higher than the<br />

<strong>DDD</strong> <strong>for</strong> parenteral administered <strong>for</strong>mulations, due to low oral<br />

bioavailability.<br />

G04BE Drugs used in erectile dysfunction<br />

Alprostadil intracavernosal injection <strong>for</strong> treatment of erectil dysfunction<br />

is classified here, while <strong>for</strong>mulations used to maintain the patency of the<br />

ductus arteriosis in neonates are classified in C01EA01.<br />

Combinations of papaverine <strong>and</strong> phentolamine <strong>for</strong> intracavernous<br />

administration are classified under G04BE30 - combinations.<br />

Combinations of phentolamine <strong>and</strong> aviptadil (polypeptide) are classified<br />

under G04BE30 - combinations.<br />

The <strong>DDD</strong>s are based on single treatment of erectile dysfunction.<br />

G04BX Other urologicals<br />

This group comprises urologicals which cannot be classified in the<br />

preceding groups.<br />

Phenazopyridine, plain products, are classified here, while<br />

phenazopyridine in combination with sulfonamides is classified<br />

according to the sulfonamide in J01EB20, J01EC20 or J01ED20.

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