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.
Effexor XR is usually taken once daily. In contrast, regular Effexor is given two or three times a day. For the treatment of depression, social anxiety disorder, or generalized anxiety disorder, the usual starting dosage of Effexor XR is Effexor 75 mg each day.or people with panic disorder, the usual starting dosage is 37.5 mg daily. The dosage of Effexor XR Â® (venlafaxine XR) that your healthcare provider prescribes will vary depending on a number of factors, including: