IUPAC_name = 2-(2-benzylphenoxy)-"N","N"-dimethylethanamine

width= 220
CAS_number= 92-12-6
PubChem= 7077
C=17 | H=21 | N=1 | O=1
molecular_weight = 255.359
metabolism =
excretion =
pregnancy_category =
legal_US = OTC
routes_of_administration= oral

Phenyltoloxamine is an antihistamine with sedative and analgesic effects. It is a member of the ethanolamine class of antihistaminergic agents and a potent anticholinergic, with 55 per cent of the anti-muscarinic potency of atropine.

Common use

Phenyltoloxamine is widely used in preparations as an enhancing agent for some analgesics and antitussives (acetaminophen, codeine, hydrocodone). It is widely used in certain parts of the world as cough suppressant usually with codeine.

It is also used to discourage abuse in certain opiate analgesics due its unpleasant side effects at high doses. While therapeutic doses of phenyltoloxamine can generate mild euphoria as can many of its chemical relatives, much higher doses have a side effect profile similar to that of atropine, which is also used in this fashion for tablets of diphenoxylate and morphine for oral administration.

Adverse effects

Common adverse effects are those associated with most anticholinergics, effects are more pronounced in children and the elderly.


Phenyltoloxamine is available in most countries, though it is rare in several western countries it remains widely used around the world, particularly in the developing world.

It is not a controlled substance; however some preparations contain opiates such as codeine or hydrocodone and are controlled, when used in preparations with acetaminophen is generally over the counter.

Phenyltoloxamine is sold under wide variety of preparations, brand names and dosages around the world:
*Ed-Flex, Dologesic, Duraxin, Flextra-650, Novagesic, Phenylgesic - North America
*Codipront - Europe/South America

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