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Author: Admin | 2025-04-28
Slow heart rate; constipation; drowsiness, sedation, fatigue; dizziness, headaches; fever; and impotence.Drug interactions and precautions for central agonists: Abilify, Benadryl, Cymbalta, Lyrica, metoprolol, and Xanax.Dental concerns of central agonists: Xerostomia and increased central nervous system depressant.Vasodilators: Vasodilators opens blood vessels by affecting the muscle walls of the arteries and veins, preventing the muscles from tightening and the walls narrowing. Blood flows easily, reducing the heart’s workload and reducing blood pressure.They act directly on the blood vessels as opposed to the hormones or nerves that control the blood vessels. There are three different modes of vasodilators. They work mainly in the arteries, veins, or both.Some of these medications are used for heart failure and as hypertensive emergencies.19.20Arterial vasodilators:Hydralazine (Apresoline): Initial dose 10 mg 4 times a day for the first two to four days, then increase to 25 mg four times a day for the first week. Second week and after increase dosage to 50 mg four times a day. Maintenance dose is at the lowest effective levels.Minoxidil (Loniten): Initial dose 5 mg once a day. Maintenance dose 10, 20, 40 mg once or a day or divided doses. Effective dose range is 10 to 40 mg. Maximum dose is 100 mg a day.Venous vasodilators (organic nitrates):Nitroglycerin (Nitrostat, Nitro-Bid, Nitro-Quick): Occurs in sublingual, transdermal, spray, ointment, and capsule transmissions. Doses vary depending on the route of transmission.Amyl nitrate: Used by inhalation to relive the pain of an angina attack and comes in a pre-dosed 0.3 ml glass capsule. Move it back
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