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Tenex |
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What is Tenex and why is it prescribed? Tenex is given to help control high blood pressure. Tenex reduces nerve impulses to the heart and arteries; this slows the heartbeat, relaxes the blood vessels, and thus reduces blood pressure. Tenex may be given alone or in combination with other high blood pressure medications, especially thiazide diuretics, such as Diuril, Esidrix, or Naturetin. You must take Tenex regularly for it to be effective. Since blood pressure declines gradually, it may be several weeks before you get the full benefit of Tenex. You must continue taking Tenex even if you are feeling well. Tenex does not cure high blood pressure; it merely keeps it under control. How should you take Tenex? Follow your doctors directions for taking Tenex. Tenex should be taken at bedtime, since it will probably cause drowsiness. After 3 or 4 weeks, if your blood pressure is still too high, your doctor may raise the dosage of Tenex. In some cases, you may take 2 evenly spaced doses per day rather than a single dose at bedtime. If you miss a dose take the forgotten dose as soon as you remember. This will help to keep the proper amount of medicine in your body. However, if it is almost time for the next dose, skip the one you missed and go back to your regular schedule. Never try to "catch up" by doubling the dose. If you miss taking Tenex for 2 or more days in a row, check with your doctor. Store Tenex at room temperature. Use the container it came in. Are there any Tenex side effects? Tenex side effects cannot be anticipated. If any develop or change in intensity, inform your doctor as soon as possible. Tenex will probably make you drowsy, especially when you first begin to take it. More common Tenex side effects may include constipation, dizziness, dry mouth, fatigue, headache, impotence, sleepiness, and weakness. Less common or rare Tenex side effects may include abdominal pain, amnesia, breathing difficulties, chest pain, confusion, conjunctivitis, decreased sex drive, depression, diarrhea, difficulty swallowing, fainting, heart palpitations, indigestion, insomnia, itching, leg cramps, malaise, mania and aggression, nausea, numbness or tingling of the skin, purplish spots on the skin, rash and peeling, ringing in the ears, "runny" nose, skin inflammation, slow heartbeat, stuffy nose, sweating, taste alterations, upset stomach, urinary incontinence, and vision disturbance. Some of these side effects may lessen or disappear as your body gets used to Tenex. What are the possible food and drug interactions when taking Tenex? If Tenex is taken with certain other drugs, the effects of either could be increased, decreased, or altered. Be sure to inform your doctor of all the prescription and over the counter medications you are taking. It is especially important to check with your doctor before combining Tenex with Barbiturates (such as Amytal, Seconal, Tuinal, and others), Benzodiazepines (such as Tranxene, Valium, Xanax, and others), Phenothiazines (such as Mellaril, Stelazine, Thorazine, and others), or Phenytoin (Dilantin). Are there any special warnings about Tenex? While taking Tenex, you should be monitored very closely by your doctor if you have any of the following medical conditions: Chronic kidney or liver failure, Heart disease, History of stroke, and Recent heart attack. Since Tenex causes drowsiness and may also make you dizzy, do not drive, climb, or perform hazardous tasks until you find out exactly how the medication affects you. While taking Tenex, use alcoholic beverages with care. You may feel intoxicated after drinking only a small amount of alcohol. If you have kidney damage and also take the antiseizure drug phenytoin (Dilantin), your body may process and eliminate Tenex rather quickly; in that case, you may need fairly frequent doses of Tenex to lower your blood pressure adequately. If you have been taking Tenex for a while, do not stop taking it without consulting your doctor. Discontinuing abruptly may result in nervousness, rapid pulse, anxiety, heartbeat irregularities, and so-called rebound high blood pressure. If you do have rebound high blood pressure, it will probably develop 2 to 4 days after your last dose of Tenex. Rebound high blood pressure, if it occurs, will usually diminish and then disappear over a period of 2 to 4 days. |
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