Possible side effects include dizziness, lightheadedness, malaise, nausea, vomiting, and liver dysfunction. The primary symptoms of hypotension are lightheadedness or dizziness. Common side effects include vomiting, constipation, itchiness, lightheadedness, and drowsiness. Others produce more serious symptoms of lightheadedness, dizziness and fainting. Some of the medications decrease libido and may cause dizziness, fatigue and lightheadedness. Occasionally there may be heart palpitations, fainting, lightheadedness, shortness of breath, or chest pain. Symptoms include excess sweating, excessive hunger, fainting, fatigue, lightheadedness and shakiness. Short periods may occur without symptoms or present with lightheadedness, palpitations, or chest pain. Dizziness or lightheadedness are also likely to occur in susceptible patients. Short periods may occur without symptoms, or present with lightheadedness, palpitations, or chest pain. There may be accompanying photophobia, phonophobia, lightheadedness or mild nausea. Common side effects include lightheadedness, headache, feeling tired, leg swelling, cough, and shortness of breath. Sweating, shortness of breath, lightheadedness, and irregular heartbeat may also be experienced. Symptoms typically include those of cardiogenic shock including shortness of breath, weakness, lightheadedness, and cough. Common side effects include dry mouth, blurry vision, weakness, sleepiness, and lightheadedness.