Chlorphenamine (CP, CPM), also known as chlorpheniramine, is an antihistamine used to treat the symptoms of allergic conditions such as allergic rhinitis (hay fever). It is taken orally (by mouth). The medication takes effect within two hours and lasts for about 4–6 hours. It is a first-generation antihistamine and works by blocking the histamine H1 receptor.
Clorfeniramina molecular structure diagram from the DrugsPRO substance library.
Also known as: Chlorphenamine
Classification
Tag: Antihistamine
Effects
Muscle Relaxation
Sedation
Itching
Dry Mouth
Incoordination
Nausea
Euphoria
Drowsiness
Thought Slowing
Reduced Anxiety
Anxiety Suppression
Dulled Perception
Routes of Administration
No route information available yet.
Harm Reduction
Check interactions before mixing substances, pay attention to dose spacing and hydration, and treat all dosage guidance as approximate rather than guaranteed safe.
Sources
Substance data is aggregated from the following public harm-reduction and reference sources.
This static page is intended as a readable non-JS and prerender-friendly library export.
Get the full DrugsPRO experience
Open the interactive DrugsPRO app for search, saved items, interactions, and deeper harm reduction tools.
Get the PRO test kit. The simple, quick and reliable drug checking test kit. Visit https://protestkit.eu
Chlorpheniramine - Guida alle sostanze DrugsPRO
Chlorpheniramine: Chlorphenamine (CP, CPM), also known as chlorpheniramine, is an antihistamine used to treat the symptoms of allergic conditions such as allergic rhinitis (hay fever). It is taken orally (by mouth). The medication takes effect within two hours and lasts for about 4–6 hours. It is a