Drug Identity
Active Ingredient
Hydralazine
Drug Class
Cardiac Care
ATC Code
C02DB02
Status
Essential Medicine
What is Hydralazine?
Uses
Hydralazine is antihypertensive agent. It acts as a vasodilator. It relaxes and expands blood vessels and lowers the blood pressure. It a...
How It Works
Inject over 1 min. Hypotensive effect may be delayed and unpredictable in some patients. Dilute in NS for IVPB administration. Stability of IVPB solution in NS is 4 days at room temperature.
How to Take It
1
Adult · PO
0.143 to 0.357 mg/kg — 6 hourly
Initially for Several Weeks
2
Adult · PO
0.714 to 1.071 mg/kg — 6 hourly
Maintenance, As Required
3
Adult · PO
40 to 200 mg — As recommended.
4
Child · Intra Muscular
0.1 to 0 mg/kg — As recommended.
Initially for Once or repeated after 30 Minutes
5
Child · Oral
0.25 to 0.5 mg/kg — 6 hourly
Maintenance, As Required
6
Child · Slow IV
0.1 to 0 mg/kg — As recommended.
Initially for Once or repeated after 30 Minutes
Safety Alerts
Idiopathic systemic lupus erythematosus, severe tachycardia, high output heart failure, myocardial insufficiency due to mechanical obstruction, corpulmonale, dissecting aortic aneurysm, acute porphyria
Important Warnings
Cerebrovascular disease, coronary artery disease, cerebrovascular disease
occasionally blood pressure reduction too rapid even with low parenteral doses
Hepatic and renal impairment (reduce dose)
Side Effects
Tachycardiapalpitationflushinghypotensionfluid retentiongastro-intestinal disturbancesheadachedizzinesssystemic lupus erythematosus-like syndrome after long-term therapy with over 100 mg dailyrarely rashesfeverperipheral neuritispolyneuritispathesthatlaarthralgia
Drug Interactions
CYP3A4
beta-blockers
MAO inhibitors
pro-pranolol
NSAIDs.
Pregnancy & Lactation
Pregnancy
Caution advised, neonatal thrombocytopenia reported.
Lactation
Caution advised or effect undetermined.
Storage
Inj Store Below 30°C. Do not Freeze. Tab Store in a well closed container, Below 40°C. Protect from Sunlight.
Price Intelligence
Rs 50.3
DVAGO observed price · per pack of 10 · as of 30 July 2026
Rs 5.03 per unit
No approved ceiling matched to this exact pack and strength.
Prices across sources
ServaidRs 68.8
DVAGOper pack of 10Rs 50.3
Should you consider an alternative?
Other options containing Hydralazine, and what they are not.
Different molecules used for the same condition. A clinical decision, not a swap.
MONOCOR
5MG
Bisoprolol 2.5 Mg
Rs 6.65Rs 6.65/unit
Below approved ceiling
CARSEL PLUS
50MG
Hydrochlorothiazide
Rs 6.68Rs 6.68/unit
No DRAP alerts
Tiocardis Am
40mg 10mg
Amlodipine
Rs 19Rs 19/unit
TIOCARDIS
40MG
Telmisartan 20 Mg
Rs 26.94Rs 26.94/unit
Below approved ceiling
Cardace
5Mg
Enalapril 5 Mg
Rs 32Rs 3.2/unit
Below approved ceiling
Merol
25Mg
Metoprolol
Rs 34.2Rs 3.42/unit
Vedicar
3.125mg
Carvedilol
Rs 55.6
No DRAP alerts
Zafnol
50Mg
Atenolol
Rs 59.4Rs 5.94/unit
Pulse
50mg
Sertraline
Rs 61.8Rs 6.18/unit
Ordered by lowest price per unit where a pack size is known, then by price. Order is never affected by sponsorship. Not medical advice — confirm any change with your pharmacist or doctor.
For pharma professionalsCompany, market and opportunity intelligence
Company
377
brands
397
molecules
7
alerts