The pharmaceutical industry is governed by various restrictions in drug manufacturing during the entire product life cycle to achieve product quality and safety. One of many is humidity, which effects the product, process and equipment.
Like other requirements, humidity control is also enforced by regulatory bodies.
Humidity in the pharma industry
Humidity is a critical criterion when designing a manufacturing facility and planning production. Because too much humidity in the environment affects the product, process, and equipment in many ways. If controlled, the product and process can be useful, preventing loss for the pharma organization.
Normal humidity levels provide optimum product quality conditions and equipment working conditions.
For these reasons and many more, regulatory bodies worldwide have devised guidelines on humidity control in all critical areas of pharma facilities. In addition to product safety, regulatory bodies review humidity control and other requirements during their routine inspection.
What can go wrong if humidity levels are not maintained?
Some disadvantages of not maintaining humidity in the pharma industry include but are not limited to
Microbial Growth
Increased humidity causes the temperatures to warm, which is ideal for microbial growth. At low temperatures, microbial growth halts, and they can be effectively prevented from affecting the production process in an area.
Humidity acts as a an accelerator for microorganisms to grow; if conditions are sustained, they can multiply in large numbers. It has been proved that microorganism causes damage to production process in many ways, and humidity among others is the main cause.
In a complex pharma working environment, it can become difficult to trace them, making them one of the deadliest hazards for the pharma industry.
Microorganisms can affect the environment, floors, and equipment in increased humidity, directly affecting the product being processed.
It has become a standard and essential requirement to control humidity within specified limits to prevent microorganisms from growing in pharma-critical areas, making it difficult for microorganisms to grow and multiply.
Hazardous for pharma product
High humidity levels cause the pharmaceutical product to absorb moisture from the environment, changing its basic chemical structure and altering the properties of pharma drug products, and making them ineffective.
Its basic science is that the volume of water in any chemical compound is critical, and if not adequately controlled (not too much and not too little), it changes its properties. Similarly, humidity alters the moisture content of pharma chemical compounds, and the product deviates from its intended applications. As a result, therapeutic effects of a product are changed.
In some cases, abnormal humidity causes hazardous organisms such as bacteria and fungi to grow, making the product toxic for human consumption.
In every case, whatever the scenario is, the product becomes useless for its end user, and the pharma manufacturer has to recall it from the market and destroy it.
Poor equipment performance
High humidity levels affect the equipment's performance during production because the product changes its physical characteristics, such as mass distribution and physical appearance. Since the equipment is designed to operate and perform under specific physical characteristics, these abnormal changes have negative effects. Any abrupt change in normal characteristics makes equipment or its various sub-components problematic during production.
Changes in product characteristics cause frequent clogging in the equipment, especially in bins, piping, and pneumatic components, which are built to handle particular product specifications.
Clogging and blockage also result in vibrations and abnormal noise, further damaging the machine structure. Humidity can also erode or degrade metals used in various equipment, instruments, production accessories, and machine parts.
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