Uses of Viscohyal

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1. What are the effects of Viscohyal?

The pharmaceutical substance sodium hyaluronate (also known as hyaluronic acid or hyaluronan) in Viscohyal is a natural substance. This substance is present in the body wherever moisture is stored or lubricated between layers of tissue that are required to eliminate friction. In tissues: vitreous body of the eye, articular cartilage, tear film, synovial fluid in joints, all mucous membranes of the body, the basic substance of the skin consists of up to about 55% sodium hyaluronate. The drug acts as a tissue lubricant, playing an important role in regulating interactions between adjacent tissues.
The drug has a protective effect on tissue (iris, retina) and cell layers (cornea, endothelium and epithelium). The elasticity of the drug helps to absorb mechanical stress, provides a protective cushion to the tissue, and facilitates wound healing. To facilitate wound healing, the drug acts as a protective vehicle, using growth factors peptides and other structural proteins to the site of action. The enzymes are then degraded and the protein-active substance is released to promote tissue repair.

2. Indications and contraindications of Viscohyal

Viscohyal drug is used in the pathologies of corneal - conjunctival epithelial disorders caused by the following diseases: intrinsic diseases such as Sicca syndrome (dry eye), Sjogren's syndrome, Steven-Johnson syndrome ... Extrinsic diseases due to drugs, surgery, trauma or wearing contact lenses...
Do not use Viscohyal in cases where the patient is allergic and sensitive to sodium hyaluronate and its excipients.

3. Usage and dosage of Viscohyal

3.1. How to use Viscohyal is used by eye drops. Patients need to put the solution directly into the affected eye after washing their hands.
Wash your hands with soap and then dry them with a clean towel, paper towel or use hand sanitizer. When instilling medication, the patient places the vial above the eye with the dropper tip facing the ground. The small head is placed close to the eyes, about 1-2cm away from the eyes, do not let it touch the eyes. Apply the drops in your eyes, slowly close your eyes gently and slightly lower your face to the ground for 2-3 minutes. After the eye drops are finished, the patient needs to close the lid of the medicine bottle to ensure the quality of the drug for the next use. 3.2. Dosage Instill 1 drop each time in the affected eye. Can be used 5 to 6 times a day, evenly divided into instillation intervals.
The drug can be adjusted to reduce the number of times to use the drug depending on the patient's symptoms.

4. Unwanted effects when using Viscohyal

The drug has a local eye drop effect, with few serious unwanted effects. Rare side effects such as itchy eyes, eye irritation. Patients should stop using the drug when symptoms of hypersensitivity (causes blepharitis, eyelid dermatitis), itchy eyes, conjunctival congestion, irritation, corneal damage such as keratitis superficial diffuse ocular.

5. Notes when using Viscohyal

Prescribed drugs, patients should not arbitrarily use Viscohyal drugs, do not use for a long time or abuse small times more than prescribed during the day. To use the eye drops properly, you should read the instructions on the eyedropper bottle carefully. If you are not sure how to use the medicine, you can ask your ophthalmologist or pharmacist for guidance. Patients should not touch the tip of the vial when using the drug, it is necessary to drop the drug directly into the eye to avoid contamination of the drug. If the patient sees a dirty phenomenon at the top of the vial or the eye drops change color, become cloudy, the medicine has expired, it is best for the patient to buy a new bottle of medicine because when using the medicine, it can be dangerous. increases the risk of eye infections. Do not use the drug while the patient is wearing contact lenses. Before instillation, contact lenses should be removed for effective administration. If the patient must use more than one type of eye drops at the same time, the patient should not put them in the eye at the same time. Ideally, patients should take these medications 10–15 minutes apart or as directed by their doctor. Pregnant women, lactating women, need to be careful when using Viscohyal. Patients can participate in traffic, drive vehicles, operate machinery when using Viscohyal eye drops. In short, Viscohyal is a prescription drug, used under the direction of a doctor to treat eye diseases. Patients should take the drug according to the instructions, not abuse the drug to minimize the unwanted effects of the drug. If the patient has any questions about Viscohyal, please consult your doctor or pharmacist.

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