Histanil is actually an antihistamine that blocks the action of certain natural substance (histamine) that your body produces during an allergic reaction. It is used to relieve the symptoms of sinus pressure, sinus congestion, runny nose, throat and nose itching, watery eyes and sneezing, skin rashes due to upper respiratory tract infections, hay fever and allergies.
It is also used to prevent and treat nausea, vomiting and dizziness caused by motion sickness. Histanil can also be used to help you relax and fall asleep.
It has not been shown to be safe or effective when used in children under 6 years of age.

Composition:

Andropogon muricatus , berberis aristata , curcuma longa , emblica officinalis , haemdesmus indicus , picrorhiza kurroa , rubia cordifolia , santalum album , tinospora cordifolia , zingiber officinale , (vegetarian capsule shell).

Contents:

60 vegetarian capsules a 500mg.

Dosage:

It is recommended to take 2 capsules daily with plenty of water, spread throughout the day and preferably during a meal.

Warnings:

Do not exceed recommended daily dose unless otherwise prescribed, keep cool and dry and out of reach of young children.
A healthy lifestyle is important, as is a varied diet.
A dietary supplement is no substitute for a varied diet.