HYDROPRES 50 vs SERPASIL-ESIDRIX #1

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 22, 2026·How we rate

Attribute	HYDROPRES 50	SERPASIL-ESIDRIX #1
Rating	70/100	70/100
Pharmacy pays	~$0.91 /30	~$0.91 /30
Type	RX	RX
Active ingredient	HYDROCHLOROTHIAZIDE AND RESERPINE	HYDROCHLOROTHIAZIDE AND RESERPINE
Manufacturer	Merck	Novartis
Dosage forms	Tablet	Tablet
Drug class	—	—
Boxed warning	None	None
Half-life	about 6 to 15 hours (the label reports a range, not a single number)	about 6 to 15 hours (the label reports a range, not a single number)

hydropres 50 serpasil-esidrix #1

Rating

70/100

Pharmacy pays

~$0.91 /30

Type

Active ingredient

HYDROCHLOROTHIAZIDE AND RESERPINE

Manufacturer

Merck

Novartis

Dosage forms

Tablet

Drug class

—

Boxed warning

None

Half-life

about 6 to 15 hours (the label reports a range, not a single number)

Frequently asked questions

Which is better-rated, Hydropres 50 or Serpasil-Esidrix #1?

Hydropres 50 and Serpasil-Esidrix #1 are tied at 3.5 out of 5 by our independent rating.

Which is cheaper, Hydropres 50 or Serpasil-Esidrix #1?

Pharmacies pay about the same to acquire either one — roughly $0.91 for a 30-count supply, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Hydropres 50 and Serpasil-Esidrix #1?

Both Hydropres 50 and Serpasil-Esidrix #1 share the active ingredient Hydrochlorothiazide and Reserpine.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.