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Drug regulator seeks data on mercury antiseptic exemptions

India's drug regulatory body has requested crucial information on the manufacture and usage of Merbromin before making a final decision on its continued availability as a topical antiseptic under existing exemptions.

LSN India · 1 October 2026

Drug regulator seeks data on mercury antiseptic exemptions

The Central Drugs Standard Control Organisation (CDSCO) has approached the Directorate General of Health Services (DGHS) seeking technical opinions and empirical data regarding Merbromin, a mercury-based topical antiseptic. The move comes as the Drugs Consultative Committee evaluates whether the substance should remain exempt under Schedule K of Indian drug regulations.

Merbromin, commonly used in antiseptic preparations for minor wounds and cuts, has been subject to regulatory scrutiny owing to mercury content concerns. The CDSCO's request for detailed manufacturing and usage data from DGHS indicates the regulator is conducting a comprehensive review before determining the medicinal agent's continued legal status in India.

Schedule K of the Drugs and Cosmetics Rules contains provisions for certain substances that are permitted under specific conditions. The exemption review suggests regulators are balancing the antiseptic's therapeutic utility against potential health and environmental considerations associated with mercury-based formulations.

The outcome of this consultation between CDSCO and DGHS is expected to shape policy on Merbromin availability in the Indian pharmaceutical market. Healthcare practitioners and manufacturers await clarity on regulatory expectations for this long-established topical agent.