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Tetracaine is a topical local anesthetic that acts by interfering with the input of sodium ions into nerve cells. Tetracaine is often used by the form of hydrochloride, which is white crystal or crystalline powder. Tetracaine is odorless, slightly bitter in taste, and has a tingling sensation. Tetracaine is easily soluble in water, soluble in Ethanol, but insoluble in Ether or Benzene.
l Does Tetracaine harm to health?
l What should be paid attention to when using Tetracaine?
l How to use Tetracaine?
Does Tetracaine harm to health?
Get emergency medical help if you have any of these signs of an allergic reaction caused by Tetracaine that are hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using Tetracaine and call your doctor at once if you have the following signs:
l severe burning, stinging, swelling, or other irritation of the treated skin;
l oozing, blistering, or any signs of infection;
l dizziness, drowsiness, or feeling like you might pass out;
l nausea, vomiting;
l slow, fast, or irregular heartbeats.
The other common side effects of Tetracaine may include:
l mild stinging, burning, or itching where the medicine is applied;
l skin tenderness or redness;
l numbness in places where the medicine is accidentally applied.
Some signs of side effects caused by Tetracaine may need immediate medical attention although not all of these side effects of Tetracaine may occur, such as blurred vision, chest discomfort, confusion, dizziness, faintness, or lightheadedness, fainting, fast or irregular heartbeat, seizures, or shortness of breath.
Some side effects of Tetracaine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the Tetracaine. Such side effects caused by Tetracaine include continuing ringing or buzzing or other unexplained noise in the ears, hearing loss, restlessness, or sleepiness.
What should be paid attention to when using Tetracaine?
An overdose of Tetracaine can cause fatal side effects if too much of Tetracaine is absorbed through your skin and into your blood. Your body may absorb more of Tetracaine if you use too much, if you apply Tetracaine over large skin areas, or if you apply heat, bandages, or plastic wrap to treated skin areas. Skin that is cut or irritated may also absorb more Tetracaine than healthy skin. Use the smallest amount of Tetracaine needed to numb the skin or relieve pain.
Fatal overdoses have occurred when Tetracaine is used without the advice of a medical doctor. Be aware that the amount of Tetracaine performed without a medical doctor present.
You should not use Tetracaine if you are allergic to Tetracaine or other similar numbing medicines such as Lidocaine, Benzocaine, or Procaine.
Ask a doctor or pharmacist if Tetracaine is safe to use if you have some conditions, including a skin infection, a skin injury or open sores in the area where this medicine will be applied; or any condition that makes you sensitive to anesthesia. Ask a doctor before using Tetracaine if you are pregnant or breast-feeding. If you apply Tetracaine to your chest, avoid areas that may come into contact with the baby's mouth.
How to use Tetracaine?
Use Tetracaine exactly as directed on the label, or as prescribed by your doctor. Read all guides or instruction sheets of Tetracaine.
Do not take Tetracaine by mouth that Tetracaine is for use only on the skin. Do not use Tetracaine on large skin areas or deep puncture wounds. Avoid using Tetracaine on skin that is raw or blistered, such as a severe burn or abrasion. Rinse with water if Tetracaine gets in your eyes or mouth.
If Tetracaine is used for treat epidural anesthesia, the usual concentration is from 0.15% to 0.3% solution, combined with Lidocaine Hydrochloride, while the highest concentration is 0.3%. The usual dose of Tetracaine is from 40 to 50mg and the maximum amount is 80 mg.
If using Tetracaine to cure subarachnoid block, its mixture is commonly used that mix 1% Tetracaine Hydrochloride, 1ml of 10% glucose injection with 1ml of 3% ephedrine hydrochloride. The usual dose of Tetracaine is 10mg, while 15mg is the limit, and 20mg is the maximum.
If Tetracaine is to treat nerve transmission block, the usual concentration is from 0.1% to 0.2%. The usual dose of Tetracaine is from 40 to 50mg, while the maximum amount is 100mg.
If Tetracaine is used for mucosal surface anesthesia, the usual concentration is 1% that 1% isotonic solution for ophthalmology, 1% to 2% solution for otolaryngology, while the limit amount of Tetracaine is 40mg.
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