Definition The dispensing of licensed medicines is strictly regulated by law in many countries. Drugs may be available by prescription (prescription-only), nonprescription, and over-the-counter. Typical dispensing points are pharmacies, drugstores and doctors’ offices, provided that self-dispensing is permitted by the canton. Category E drugs may also be sold in the retail trade, for example in … Dispensing Categories of Medicinal Products
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
Products Stimulants are commercially available as drugs, narcotics, dietary supplements, and foods. Dosage forms include tablets, capsules, and solutions. Structure and properties Stimulants do not have a uniform chemical structure, but groups can be identified. Many, for example the amphetamines, are derived from the natural catecholamines such as epinephrine and norepinephrine. Effects The active ingredients … Stimulants
Symptoms Low blood pressure does not necessarily cause symptoms and often remains asymptomatic. Possible symptoms include: Pale and cold skin, cold hands and feet, sweating. Visual disturbances: Blackening in front of the eyes, flickering, parts of the visual field fail Concentration disorders Rapid pulse, palpitations Ringing in the ears Dizziness Weakness, fatigue, lack of performance … Low Blood Pressure
