Instead of the liquid chemical, a special type of foam is injected into the affected vein. The injection is guided to the vein using an ultrasound scan. Although this treatment has been proven to be effective, it can cause side effects, including: 1  blood clots in other leg veins, 2  headaches, 3  fainting, and. To ease symptoms. 2  If your varicose veins are causing you pain or discomfort. 3  Complications. 4  You may require treatment if your varicose veins cause you to develop complications, such as leg ulcers, swelling or skin discolouration. 5  Cosmetic reasons.
Pheochromocytoma and irregular blood pressure. A pheochromocytoma can cause wild fluctuations in blood pressure with normal blood pressure in between spells. This can make the condition more difficult to detect.The graph shows a nine-day period of short, irregular bursts in blood pressure due to a pheochromocytoma. pheochromocytoma can cause wild fluctuations in blood pressure with normal blood pressure in between spells. This can make the condition more difficult to detect.
Pulmonary hypertension can cause shortness of breath, a fast heart rate, or lightheadedness. A drug overdose can be fatal and causes sleepiness, confusion, coma, vomiting, and other symptoms. An insulin reaction is the result of low blood sugar and causes anxiety, hunger, shaking, dizziness, and more.