There are 14 conditions associated with high blood pressure and shaking. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions. Acute stress reaction Acute stress reaction symptoms include shortness of breath, anxiety, nervousness, sense of doom and more. High blood pressure (hypertension) High blood pressure, often asymptomatic, can cause headaches, shortness of breath, nosebleeds, and anxiety. Parkinson disease Parkinson s disease is a disorder of the nervous system causing tremors stiffness and slow movement. Medication reaction or side-effect Medication side effects include nausea, vomiting, stomach upset, weakness, dizziness, seizures, and more. Benign essential tremor Benign essential tremor can cause shaking of the hands and forearms and a quivering voice. Cold exposure Cold exposure symptoms include color changes on the skin, numbness, stinging, redness, blisters, and more. Obesity Obesity is having too much body fat, marked by a BMI of 30 or higher. Methamphetamine use Methamphetamine use causes increased blood pressure, rapid heart rate, enlarged pupils, sweating, and more. Cocaine abuse Cocaine abuse occurs when a person continues using it despite the social and health problems caused by it. Drug overdose A drug overdose can be fatal and causes sleepiness, confusion, coma, vomiting, and other symptoms. Polycystic kidney disease Polycystic kidney disease can cause abdominal pain, headaches, and pain in the sides and back. Narcotic abuse Narcotic abuse can cause fatigue, shallow breathing, anxiety, euphoria, vomiting, confusion, and constipation. Metabolic syndrome Metabolic syndrome is a group of risk factors that together increase the risk of developing health problems. Hyperparathyroidism Hyperthyroidism causes weight loss, shakiness, tiredness, sensitivity to heat, insomnia, and more.