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DEAR DR. ROACH: My son is 40 years old. After a recent stress test, he ended up with five stents in his arteries, and also was diagnosed with diabetes. His doctor ordered him not to go back to work for three or four weeks, but he went back after three days. He told the doctor that he would be more stressed if he stayed home. His job is mostly sitting down. Since he didn’t follow the advice, how will this affect his health? – V.B.
ANSWER: We don’t normally have people stay home for long periods of time after placement of stents, so I was surprised to hear that he was “ordered” (I almost never “order,” only recommend, more or less strongly) to stay home.
My experience is that after receiving life-changing diagnoses, such as diabetes or coronary artery disease, it’s best to keep some habits, such as work, the same and change others. For your son, I am sure he will be recommended a proper diet for diabetes and exercise appropriate for a person with a new diagnosis of heart disease.
DEAR DR. ROACH: I’ve suffered from essential tremor for 16 years. I take 500 mg of primidone and 40 mg of propranolol twice daily. I’ve gradually increased the dose over the years, and the combination works quite well. What is the highest dose of these medications that I can take? Also, are there any new drugs on the market that have been proven to help? – S.S.
ANSWER: Primidone, a medication indicated for seizures, often is used off-label for essential tremor. The normal dose for essential tremor is 250-500 mg at night, but doses up to 750 mg sometimes are used. For seizures, the highest recommended dose is 2,000 mg, so although yours is at the high end of normal for essential tremor (“essential,” by the way, simply means we don’t know what is causing it; it isn’t essential for anything), you still are at a dose that’s well below the safe limit. I suspect that because you have been on it for so long, your body is used to this dose. The usual starting dose is 25 mg.
Propranolol is used for many conditions, including high blood pressure and preventing migraines, but its use in essential tremor also is off-label, meaning that the Food and Drug Administration has not approved the drug for use for this condition. “Off-label” doesn’t necessarily mean your prescription is wrong or dangerous, only that it hasn’t been approved by the FDA. In your case, the combination of primidone and propranolol frequently is used and recommended in the medical literature. For essential tremor, experts have recommended doses up to 320 mg per day, but the dose can be limited by slow heart rate or low blood pressure.
If you are doing well, there is no reason to change. Other medications frequently used for essential tremor include gabapentin and topiramate. There also are surgical treatments, deep brain stimulation, gamma knife radiation and ultrasound for resistant cases.
Dr. Roach regrets he is unable to answer individual letters, but he will incorporate them in the column whenever possible. Readers may email questions to ToYourGoodHealth@med.cornell.edu. To view and order health pamphlets, visit http://www.rbmamall.comwww.rbmamall.com, or write to Good Health, 628 Virginia Drive, Orlando, FL 32803.
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