Pataday Once Daily Relief Extra Strength Allergy Eye Drops - Twin Pack - 0.17 fl oz

Olopatadine is an antihistamine used to relieve allergy symptoms in the eyes. It is synthetically produced and specifically formulated for topical use in eye drops. Its effectiveness in blocking histamine receptors makes it a common choice for allergy relief.

Water is used as a solvent in the formulation of eye drops. It is typically purified to ensure safety and effectiveness in medical applications. The quality of water is crucial to prevent contamination and ensure the stability of the active ingredient.

Sodium chloride is used to maintain the osmotic balance in eye drops. It is a common additive in medical formulations to ensure isotonicity with bodily fluids. Its presence helps in maintaining comfort when the drops are applied to the eyes.

Boric acid is used as a buffering agent and mild antiseptic in eye drops. It helps maintain the pH balance and provides antimicrobial properties to the formulation. Its inclusion is critical for ensuring the sterility and comfort of the eye drops.

Potassium chloride is used to help maintain the electrolyte balance in the eye drop solution. It is a common component in formulations to ensure compatibility with the body's natural fluids. Its role is primarily supportive in maintaining the solution's stability.

Sodium borate acts as a buffering agent in the eye drop formulation. It helps stabilize the pH of the solution, ensuring comfort and effectiveness. Its use is standard in many ophthalmic solutions to maintain chemical stability.

Preservatives are added to prevent microbial growth in multi-use eye drop bottles. They are necessary for maintaining product safety over time but can cause irritation in sensitive individuals. The type and concentration of preservative used can impact the overall safety and comfort of the product.