Prazosin is a drug belonging to the class of alpha-adrenergic blockers. It
is used for treating high blood pressure or hypertension.
It is a selective competitive antagonist of the classical alpha 1
receptors. It dilates both resistance & capacitance vessels ; effect on
the former predominating. Cardiovascular reflexes are not appreciably
impaired by chronic therapy.
Brand Name: Minipress
Iupac Name: [4-(4-amino-6,7-dimethoxy-quinazolin-2-yl)
piperazin-1-yl]-(2-furyl)methanone
Working
The drug acts by relaxing blood vessels so that blood passes through them
more easily. This further helps to lower blood pressure.
Dosage
Initially 0.5 mg daily increasing to 1 mg 2-3 times daily
Maintenance dose: 3-20 mg daily in divided doses
Contra- Indications: CHF due to mechanical obstruction
Side Effects
The drug has certain side effects, that can affect individuals in different
ways. The following are some of the side effects, that are often associated
with the drug:
- Postural hypotension
- Headache
- Drowsiness
- Dreaming
- Weakness
Disclaimer: The above information is for general understanding
of the visitor. Please consult a registered medical practitioner before
taking the aforesaid medicine.