As nouns the difference between antihistamine and levocetirizine

is that antihistamine is a drug or substance that counteracts the effects of a histamine commonly used to alleviate the symptoms of hay fever and other allergies while levocetirizine is a third-generation nonsedative antihistamine.

As nouns the difference between antihistamine and oxatomide

is that antihistamine is a drug or substance that counteracts the effects of a histamine commonly used to alleviate the symptoms of hay fever and other allergies while oxatomide is a particular antihistamine drug derived from piperazine.

As nouns the difference between drug and oxatomide

is that drug is (pharmacology) a substance used to treat an illness, relieve a symptom, or modify a chemical process in the body for a specific purpose or drug can be (obsolete) a drudge while oxatomide is a particular antihistamine drug derived from piperazine.

As a verb drug

is to administer intoxicating drugs to, generally without the recipient's knowledge or consent or drug can be (drag).

As nouns the difference between piperazine and oxatomide

is that piperazine is piperazine while oxatomide is a particular antihistamine drug derived from piperazine.

As nouns the difference between antihistamine and chlorcyclizine

is that antihistamine is a drug or substance that counteracts the effects of a histamine commonly used to alleviate the symptoms of hay fever and other allergies while chlorcyclizine is a particular antihistamine drug derived from piperazine.

As nouns the difference between drug and chlorcyclizine

is that drug is (pharmacology) a substance used to treat an illness, relieve a symptom, or modify a chemical process in the body for a specific purpose or drug can be (obsolete) a drudge while chlorcyclizine is a particular antihistamine drug derived from piperazine.

As a verb drug

is to administer intoxicating drugs to, generally without the recipient's knowledge or consent or drug can be (drag).

As nouns the difference between piperazine and chlorcyclizine

is that piperazine is piperazine while chlorcyclizine is a particular antihistamine drug derived from piperazine.

As nouns the difference between anticholinergic and dicyclomine

is that anticholinergic is any of a class of drugs, typically used to treat various disorders and some forms of poisoning, which inhibit the physiological action of acetylcholine at a receptor site while dicyclomine is an anticholinergic that blocks muscarine receptors.

As an adjective anticholinergic

is that inhibits the physiological action of acetylcholine at a receptor site.

As nouns the difference between muscarine and dicyclomine

is that muscarine is (biochemistry) an extremely poisonous alkaloid, obtained from fly agaric, that disrupts the action of acetylcholine neurotransmitter while dicyclomine is an anticholinergic that blocks muscarine receptors.

As nouns the difference between suppressant and fencamfamine

is that suppressant is a substance that suppresses while fencamfamine is a stimulant developed in the 1960s as an appetite suppressant, later withdrawn due to problems with dependence and abuse.