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The following safety information outlines important precautions and potential risks associated with the use of Tetracaine eye drops. It is crucial to understand these warnings and discuss any concerns with your healthcare provider.

• Administration Method: Tetracaine is designed exclusively for use as an eye drop and should not be injected under any circumstances.

• Professional Supervision Required: This medication must be administered by a healthcare professional. Self-administration is not recommended to ensure proper usage and prevent accidental harm to the eyes.

• Risk of Accidental Eye Injury: After application, avoid touching your eyes for at least 10 to 20 minutes. The numbing effect of the drops reduces sensitivity, increasing the risk of inadvertently injuring your eyes.

• Limited Duration of Use: Tetracaine eye drops are intended for short-term use only, typically during procedures or surgeries. Prolonged use can result in eye damage and potential vision loss.

• Avoid Contamination: To prevent bacterial infections, do not allow the tip of the eye drop container to come into contact with your eyes, hands, or any other surfaces. Maintaining the sterility of the container is essential.

Please consult your healthcare provider for any further clarification or if you have specific health conditions that may influence the use of this medication.

Altacaine, containing the active ingredient tetracaine, is an ophthalmic anesthetic used to numb the eye during procedures. While it is generally safe when administered by healthcare professionals, certain drug interactions can affect its safety and effectiveness.

Tetracaine may interact with other local anesthetics, such as Bupivacaine, Lidocaine, and procaine. Combining these medications can increase the risk of toxic effects, including potential harm to the nervous and cardiovascular systems. Therefore, concurrent use should be approached with caution, and patients should be closely monitored for adverse reactions.

Additionally, tetracaine can interact with medications known to induce methemoglobinemia—a condition where hemoglobin is altered, reducing its ability to carry oxygen. Drugs associated with this risk include Acetaminophen, Dapsone, Nitrofurantoin, and sulfonamides. When tetracaine is used alongside these agents, the likelihood of developing methemoglobinemia may increase. Patients should be observed for symptoms such as cyanosis (bluish skin), fatigue, and shortness of breath.

To minimize potential interactions, inform your healthcare provider about all medications you are currently taking, including prescription drugs, over-the-counter products, and dietary supplements. This information will help your provider assess the safety of using Altacaine in your specific situation.