$name may cause side effects in some people, though not everyone experiences them. These may include headache, vertigo (a sensation of imbalance), dizziness, weakness, heart palpitations (awareness of your heartbeat), low blood pressure upon standing, nausea, vomiting, sweating, paleness, fainting, flushing (warmth or redness of the skin), and skin reactions. Most side effects are mild and temporary, but consult your doctor if you notice anything unusual or persistent.