Products Antazoline is fixed combination with tetryzoline in the form of eye drops commercially available (Spersallerg, Spersallerg SDU). It has been approved in many countries since 1967. Structure and properties Antazoline (C17H19N3, Mr = 265.35 g/mol) is present in drugs as antazoline hydrochloride, a white crystalline powder that is sparingly soluble in water. It is … Antazoline: Antihistamine
Products Sympathomimetics are commercially available, for example, in the form of tablets, capsules, granules, injectable solutions, eye drops, and nasal sprays. Structure and properties Sympathomimetics are structurally derived from the natural neurotransmitters epinephrine and norepinephrine. Effects Sympathomimetics have sympathomimetic properties, meaning that they promote the effects of the sympathetic nervous system, a portion of the … Sympathomimetics
Effects Antihistamine eye drops have antihistamine and antiallergic properties. They are more or less selective antagonists of histamine at the H1 receptor, abolish histamine effects and thus relieve symptoms such as itching, redness, swelling, and tearing. Compared with oral antihistamines, the effect occurs after only a few minutes and lasts up to 12 hours. Many … Antihistamine Eye Drops
Symptoms Symptoms of allergic conjunctivitis include itching, red eyes, eye watering, a thin discharge, and sneezing. The conjunctiva may be swollen, making it appear glassy. The itching and red eyes are particularly characteristic of the disease. Causes The inflammation is often caused by a pollen allergy (hay fever). In this case, it is also called … Allergic Conjunctivitis
Symptoms Possible symptoms of hay fever include: Allergic rhinitis: itchy, runny or stuffy nose, sneezing. Allergic conjunctivitis: red, itchy, watery eyes. Cough, mucus formation Itching in the mouth Swollen, blue discolored skin under the eyes Fatigue Sleep disturbance due to the discomfort Hay fever is often accompanied by other inflammatory diseases of the mucous membranes. … Hay Fever Causes
Background The tear film is the outermost connection between the surface of the eye and the environment and is involved in the visual process. It moisturizes, protects and nourishes the eye. It is an aqueous gel containing water, mucins, salts, antibacterial proteins and antibodies, vitamin A, and lipids, among other substances, and is distributed over … Dry Eyes: Causes and Remedies
Products Tetryzoline is commercially available in the form of eye drops (Visine Classic, combination products). It has been approved in many countries since 1959. The active ingredient is also known as tetrahydrozoline. Nasal sprays or [nasal drops containing tetryzoline are currently no longer available in many countries. Structure and properties Tetryzoline (C13H16N2, Mr = 200.3 … Tetryzoline: Drug Effects, Side Effects, Dosage and Uses
Definition Eye drops are sterile, aqueous or oily solutions or suspensions of one or more active ingredients for dropwise application to the eye. They may contain excipients. Aqueous preparations in multi-dose containers must contain a suitable preservative if the preparation is not itself sufficiently antimicrobial. Eye drops without preservatives must be marketed in single-dose containers. … Eye Drops for Dry, Red, Pink or Itchy Eyes
