Essential tremors refer to an involuntary movement that typically affects the head and hands. MedlinePlus says that signs of essential tremors include head nodding, a shaking sound to the voice and trouble drawing, writing or drinking from a cup. Treatment for essential tremors includes beta-blockers and anti-seizure medications.
Atelenol
Atelenol, commonly sold as Tenormin, is a beta-blocker that treats such conditions as essential tremors, chest pain (angina) and high blood pressure.
Drugs.com indicates that atelenol's less-concerning side effects include trouble sleeping, nervousness, anxiety and a low sex drive. Notify a doctor when atelenol's less serious effects remain for greater than seven days.
Atelenol's serious effects include swelling of the feet or ankles, fainting, lightheadedness or slow and irregular heartbeats. Additional side effects include depression, stomach pain, yellowing of the skin or eyes and shortness of breath. Notify a doctor when atelenol's serious effects develop.
Sufferring from such conditions as diabetes, asthma, bronchitis, liver or kidney disease may require a change in atelenol's dose.
Atelenol is a tablet taken daily.
Gabapentin
Gabapentin, commonly sold as Neurontin or Gabaron, also manages essential tremors. According to MedlinePlus, it can also treat seizures and postherpetic neuralgia, a condition associated with shingles.
Gabapentin's less-serious effects include fatigue, weakness, drowsiness, anxiety, diarrhea and a dry mouth. Unsteadiness, memory problems, constipation, weight gain and strange thoughts are other side effects of taking gabapentin. Notify a physician when gabapentin's less-concerning effects remain for greater than one week.
Gabapentin's serious side effects include a rash, trouble breathing or swallowing, seizures, hoarseness and swelling of the face, throat, tongue or lips. Call 911 if these symptoms develop.
Taking such drugs as morphine, naproxen or hydrocodone may require a change in gabapentin's dose.
Gabapentin is a liquid, capsule or tablet taken daily or as directed.
Alprazolam
Alprazolam, commonly sold as Xanax or Niravam, is another medication taken for essential tremor management. Drugs.com says that this medication also treats anxiety, depression and panic disorders.
Alprazolam's less-serious effects include muscle weakness, a lack of coordination, a dry mouth and blurry vision. Drowsiness, dizziness, slurred speech and a lack of coordination are alprazolam's other less serious side effects. In some instances, alprazolam causes irritability, difficulty concentrating and muscle weakness. Inform a doctor when alprazolam's serious effects last for greater than five days.
Alprazolam's serious side effects include yellowing of the skin or eyes, seizures, fainting, depression, suicidal thoughts and agitation. This medication's additional serious effects include agitation, hyperactivity, hostility, hallucinations and muscle twitching. Call a doctor immediately when alprazolam leads to these effects.
A reduction in alprazolam's dose is necessary when suffering with such diseases as depression, kidney or liver disease, depression, suicidal thoughts and glaucoma.
Alprazolam is a tablet taken daily or as a physician prescribes.


