1 The vast majority of people will never have an anaphylactic reaction. 2  The most common causes of anaphylaxis include drugs, such as penicillin, insect stings, foods (peanuts, shellfish), X-ray dye, and latex. 3  The symptoms of anaphylaxis may vary and can include hives, tongue swelling, vomiting, and even shock.
The recommended starting dose for prolonged-release venlafaxine is 75 mg given once daily. Patients not responding to the initial 75 mg/day dose may benefit from dose increases up to a maximum dose of 375 mg/day. Dosage increases can be made at intervals of 2 weeks or more.
A typical starting dose for adults is 30 mg every morning. Your doctor will monitor your results every week or so and may adjust your dose by 10 to 20 mg, depending on your response to it. Unless your doctor tells you otherwise, you shouldn't take more than 70 mg a day of Vyvanse.