As nouns the difference between antihistamine and ketotifen

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 ketotifen is an antihistamine drug used to treat allergic conjunctivitis.

As nouns the difference between drug and ketotifen

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 ketotifen is an antihistamine drug used to treat allergic conjunctivitis.

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 allergic and ketotifen

is that allergic is a person with a tendency to having allergies; a person with multiple or severe allergies while ketotifen is an antihistamine drug used to treat allergic conjunctivitis.

As an adjective allergic

is of or pertaining to allergy.

As nouns the difference between conjunctivitis and ketotifen

is that conjunctivitis is (pathology) an inflammation of the conjunctiva, often due to infection while ketotifen is an antihistamine drug used to treat allergic conjunctivitis.

As nouns the difference between antihistamine and triprolidine

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 triprolidine is an over-the-counter antihistamine drug used to combat the symptoms of allergies.

As nouns the difference between drug and triprolidine

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 triprolidine is an over-the-counter antihistamine drug used to combat the symptoms of allergies.

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 symptom and triprolidine

is that symptom is symptom, sign while triprolidine is an over-the-counter antihistamine drug used to combat the symptoms of allergies.

As nouns the difference between opiate and nicocodeine

is that opiate is "opiates" while nicocodeine is an opiate derivative, closely related to dihydrocodeine, developed as a cough suppressant and analgesic.

As an adjective derivative

is .

As a noun nicocodeine is

an opiate derivative, closely related to dihydrocodeine, developed as a cough suppressant and analgesic.

As an adjective anterior

is before in place.

As a noun iridocyclitis is

a type of anterior uveitis.